HP Scanjet N9120
User Guide
1 Use the scanner
The following topics describe the HP Scanjet N9120 scanner as well as how to scan or
copy original documents.
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Scanner overview
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Front panel
Automatic document feeder (ADF)
ADF input tray
ADF output tray
Latch for opening the ADF
Power switch
See also
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Use the scanner
3
Chapter 1
Scanner front panel buttons
Use the buttons on the scanner front panel to start a scan and to configure some scanner
settings.
Icon
1
Button name
Copy
Description
By default, print the number of copies currently
configured in HP Document Copy.
Alternatively, start the scanning software that is
assigned to this button.
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Scan
By default, start a scan that uses the HP Smart
Document Scan Software profile that is
assigned to this button.
Alternatively, start the scanning software that is
assigned to this button.
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4
Cancel
Tools
Cancel a scan or copy in progress.
Open the HP Scanner Tools Utility where you
can do the following tasks:
Associate the scanner quick start buttons
with scanning software
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Configure the buttons on the scanner front
panel
Manage the imprinter
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View information about scanner settings,
status, and maintenance
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6
Attention LED
Power Save
The Attention LED provides status information
about the scanner.
Press the Power Save button to put the
scanner in Power Save mode when you are
not using the scanner. When you are ready to
4
Use the scanner
(continued)
Icon
Button name
Description
begin scanning again, press the Power Save
button to wake up the scanner.
See also
Scanner lamp setting
The scanner supports two modes of lamp operation:
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In Power Save mode, the scanner lamp times out and turns off automatically after
about 15 minutes of inactivity. When you are ready to begin scanning again, press
the Power Save button to wake up the scanner.
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In Instant Lamp On mode, the scanner lamp times out and turns off automatically
after about 15 minutes of inactivity, but it remains warm and ready to scan.
To switch from Power Save mode to Instant Lamp On mode, select the Enable Instant
Lamp On check box on the Buttons tab of the HP Scanner Tools Utility. To switch back
to Power Save mode, clear the Enable Instant Lamp On check box.
Load original documents
You can scan up to 200 single- and double-sided document pages from the automatic
document feeder (ADF), and you can scan one side of a document directly from the
scanner glass.
The section contains the following topics:
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Use the automatic document feeder
For helpful information on loading your documents properly, refer to the following topics.
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Document loading tips
The automatic document feeder (ADF) supports the following paper types.
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Width:
70–300 mm (2.75–11.8 in)
148–864 mm (5.8–34 in)
Length:
Load original documents
5
Chapter 1
Weight:
49–120 g/m2 (13–32 lb)
NOTE: In the scanning software, set the page size to match the width and length
of the paper that you are scanning.
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Scanning the following types of documents might result in paper jams or damage to
the documents. To scan these documents, make a photocopy, and then scan the
copy instead.
Wrinkled or creased
documents
Curled documents
Torn documents
Carbon paper
Documents with paper
clips or staples
Coated paper
Extremely thin,
Paper with adhesive
translucent paper
notes or flags attached
Photos
Overhead
transparencies
Papers that are stuck
together
Paper with wet
substances such as
glue or correction fluid
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Before loading documents, make sure that the ADF access doors are securely
latched.
When loading a stack of documents, make sure that all of the documents are the
same size.
The maximum capacity of the ADF is 200 sheets of 75 g/m2 (20 lb) paper. When using
heavier paper, the maximum capacity is decreased. Use the fill line, shown below, as
a guide for the maximum height of the document stack.
6
Use the scanner
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For small or narrow documents, load the edge that is less than 148 mm (5.8 in)
pointing into the feeder so that the longer edge can be pulled into the feeder and
passed along by the feed rollers.
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When loading small or lightweight documents, such as A6 cards (index cards) or U.S.
check carbons, load a stack of at least five documents to ensure that the ADF properly
detects and feeds the stack. When scanning fewer than five small or lightweight
documents, scan the documents by placing them on the scanner glass.
When loading long documents that hang over the end of the input tray, pull out the
input tray extender (1), and then load the documents (2).
Load original documents
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Chapter 1
How to load documents
1. Flip up the paper stop in the output tray that best matches the size of the documents
that you are scanning. Select the stop position that is closest to (and beyond) the
edge of your documents as they come out of the automatic document feeder (ADF).
2. Fan the stack of document pages to ensure that the pages do not stick together. Fan
the edge that will be pointing into the ADF in one direction, and then fan that same
edge in the opposite direction.
3. Align the edges of the documents by tapping the bottom of the stack against the table
top. Rotate the stack 90 degrees and repeat.
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Use the scanner
4. Place the stack in the middle of the input tray. Load the stack face up. For fastest
scanning, load the stack with the left edge leading into the ADF.
NOTE: In the scanning software, choose the layout setting that matches the
orientation of the originals in the ADF.
5. Adjust the paper guides to the width of the documents. Take care not to overtighten
the guides, which can restrict paper feeding, but make sure that the paper guides
touch the edges of the documents.
6. Gently push the stack forward to trip the tray sensor.
Load an original on the scanner glass
Place items that do not meet the specifications for the automatic document feeder (ADF)
directly onto the scanner glass.
Minimum size:
Maximum size:
Any size
300 x 432 mm (11.8 x 17 in)
Load original documents
9
Chapter 1
Place the original face down on the scanner glass, as indicated by the reference mark.
NOTE: In the scanning software, choose the layout setting that matches the
orientation of the original on the scanner glass.
How to scan
The basic steps for scanning are:
1. Load the originals.
2. Do one of the following:
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Press the Scan (
) button on the scanner front panel to start scanning with the
assigned software (and profile, if appropriate).
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On the computer, open the scanning software, and then select the ISIS or TWAIN
data source. Select the appropriate settings, and then initiate a scan.
TIP: To reduce paper jams, use scan settings that specify the actual dimensions
of the pages that you are scanning.
TIP: If you select duplex scanning or copying and you load the originals into the
automatic document feeder (ADF), the scanner processes both sides of a two-
sided original at the same time.
10
Use the scanner
See also
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Associate a quick start button with scanning software
The scanner includes two quick start buttons, Scan (
) and Copy ( ). You can
associate any button-aware scanning software with each of these buttons.
To associate a quick start button with scanning software, follow these steps:
1.
Press the Tools ( ) button on the scanner front panel to open the HP Scanner Tools
Utility. Click the Buttons tab.
2. In the Program to Start drop-down list for a button, select the scanning software that
you want this button to start.
3. Optionally, if you selected the HP Smart Document Scan Software, in the Profile
drop-down list, select a profile.
If you do not select a profile, pressing the button starts the HP Smart Document Scan
Software so that you can choose the scan settings each time that you start a new
scan.
NOTE: If you change the name of a profile that is assigned to a quick start button,
update the button information in the HP Scanner Tools Utility.
See also
Scan from scanning software
You can scan an image or document directly into a software program if the program is
ISIS or TWAIN compliant. Generally, the program is compliant if it has a menu option
such as Acquire, Scan, Import New Object, or Insert. If you are unsure whether the
program is compliant or what the option is, see the documentation for that program.
See also
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Scan from HP Smart Document Scan Software
1. Click Start, point to Programs or All Programs, point to HP, point to HP Smart
Document Scan, and then click HP Smart Document Scan Software.
2. Select a profile, and then click Scan.
TIP: A description of the selected profile is displayed below the list.
3. Follow the onscreen instructions to complete the scan.
For more information, see the HP Smart Document Scan Software Help.
Scan from scanning software
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Chapter 1
Scan from ISIS- or TWAIN-compliant scanning software
1. Start the scanning software, and then select the ISIS or TWAIN data source.
2. Select the settings that are appropriate for the documents that you are scanning.
3. Carry out the appropriate actions to complete the scan.
For more information, see the online help for the scanning software.
How to copy
The basic steps for copying are:
1. Load the originals.
2. Do one of the following:
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Press the Copy ( ) button on the scanner front panel to print the copies with
the current copy settings.
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Click Start, point to Programs or All Programs, point to HP, point to Scanjet,
point to N9120, and then click Document Copy.
Select print settings in the HP Document Copy dialog box.
NOTE: If you want to change the copy settings, start the copy from the HP
Document Copy software.
TIP: You can configure HP Document Copy to always prompt for copy settings
before starting to print. For information, see the HP Scanner Tools Utility help.
TIP: If you select duplex scanning or copying and you load the originals into the
automatic document feeder (ADF), the scanner processes both sides of a two-
sided original at the same time.
See also
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12
Use the scanner
2 Useful scanner features
Experienced document management professionals might be interested in the following
scan features that are available in the HP Smart Document Scan Software. Many of these
features are also available from any ISIS- or TWAIN-compliant document scanning
software that allows you to modify the scan settings.
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Work with HP Smart Document Scan Software profiles
An HP Smart Document Scan Software profile provides a fast, efficient way to select the
settings for scanning and processing document pages. You can set up profiles for use
with the quick start buttons on the scanner front panel.
Use the HP Smart Document Scan Software to set up and modify profiles. Use the HP
Scanner Tools Utility to assign a profile to a quick start button on the scanner front panel.
You can configure each profile to perform specific scanning functions that you use often.
For example, if you frequently need to scan originals at 200 dpi color to a searchable PDF
file and e-mail that file to a co-worker, you can create a profile with the necessary settings
to accomplish this task.
View profiles
The HP Smart Document Scan Software includes several default profiles.
To view the existing HP Smart Document Scan Software profiles, follow these steps:
1. Click Start, point to Programs or All Programs, point to HP, point to HP Smart
Document Scan, and then click HP Smart Document Scan Software.
2. View the list of profiles.
Create profiles
To create an HP Smart Document Scan Software profile, follow these steps:
1. Click Start, point to Programs or All Programs, point to HP, point to HP Smart
Document Scan, and then click HP Smart Document Scan Software.
2. Click New.
The Create New Profile dialog box is displayed.
Useful scanner features
13
Chapter 2
3. In the Profile name box, type the name you want or accept the default name.
TIP: You might want to set up the new profile based on an existing one. To do
so, select the Copy settings from profile check box, and then select an existing
profile from the list.
4. Click Continue.
The Profile Settings dialog box is displayed.
5. Select the settings for the profile.
For more information, see the HP Smart Document Scan Software Help.
Automatically rotate scanned pages
By default, pages fed through the automatic document feeder (ADF) appear in the scan
output in the same orientation as the pages in the ADF input tray. The scanner can rotate
the scan data to produce a different orientation in the scan output. For example, this
feature is useful when you want fast scanning of pages that have a portrait orientation.
You can load the longer edge of these pages into the ADF input tray and obtain scan
output with the shorter edge of the pages at the top of the image.
To enable scanned page rotation in an HP Smart Document Scan Software profile, follow
these steps:
1. Open the HP Smart Document Scan Software.
2. Select a scan profile, and then click Edit.
3. On the Layout tab of the Profile Settings dialog box, select the appropriate options
for Original Layout and ADF Feed Direction.
NOTE: In other scanning software, the options for rotating pages are on the
Layout tab of the ISIS or TWAIN Advanced Settings dialog box.
Scan extra long documents
By default, the automatic document feeder (ADF) accepts a stack of originals up to
300 x 432 mm (11.8 x 17 in). You can choose to scan pages up to 300 x 864 mm
(11.8 x 34 in) through the ADF.
To enable long-page scans in an HP Smart Document Scan Software profile, follow these
steps:
1. Open the HP Smart Document Scan Software.
2. Select a scan profile, and then click Edit.
3. On the Layout tab of the Profile Settings dialog box, select Custom in the Size drop-
down list, and then type the actual page dimensions, up to 300 x 864 mm
(11.8 x 34 in), in the Width and Height boxes.
NOTE: In other scanning software, the page size settings are on the Layout tab of
the ISIS or TWAIN Advanced Settings dialog box.
NOTE: Some scanning and destination software (including the Kofax VirtualReScan
driver) might not support all of the page sizes that the scanner accepts.
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Useful scanner features
NOTE: HP recommends scanning long pages individually at a resolution of 300 dpi
or lower.
Filter out color from a document (color dropout)
You can filter out a dark background from the image content, for example black text on
green paper or red instructions on a form. Removing colors from the scan might reduce
the scan file size and improve optical character recognition (OCR) results. You can select
to filter out a color channel (red, green, or blue) or up to three specific colors. For specific
colors, the sensitivity setting controls how closely a scanned color must approximate the
specified color.
To select colors to eliminate from a scan in an HP Smart Document Scan Software profile,
follow these steps:
1. Open the HP Smart Document Scan Software.
2. Select a scan profile, and then click Edit.
3. On the Scan tab of the Profile Settings dialog box, click Advanced Settings.
4. On the Color Dropout tab of the Properties dialog box, specify the color dropout
settings.
For information about the color dropout settings, see the online help for the scanning
software that you are using.
NOTE: The color channel filter only applies to grayscale scans and to black and
white scans. Specific color filters apply to all color modes.
NOTE: To filter out color in another scanning software, navigate to the ISIS or
TWAIN Advanced Settings dialog box. On the Color Dropout tab, specify the color
dropout settings.
Set the background color for scans from the automatic
document feeder
When you scan from the automatic document feeder (ADF), you can choose a white or
black background for the scan. When the scan background contrasts with the color at the
outside edges of the document, the scanning software is better able to distinguish the
edges of the scanned document. For example, use the black background to scan a
document that is printed on white paper.
To select the scan background color in an HP Smart Document Scan Software profile,
follow these steps:
1. Open the HP Smart Document Scan Software.
2. Select a scan profile, and then click Edit.
3. On the Scan tab of the Profile Settings dialog box, click Advanced Settings.
4. On the More tab of the Properties dialog box, select a color from the ADF
Background drop-down list.
Set the background color for scans from the automatic document feeder
15
Chapter 2
NOTE: To set the scan background color in another scanning software, navigate to
the ISIS or TWAIN Advanced Settings dialog box. On the More tab, select a color
from the ADF Background drop-down list.
Use scanner hardware compression for faster scans
The scanner supports multiple levels of JPEG compression to increase the rate of data
transfer from the scanner to the scanning software on the computer. The scanner
compresses the data during the scanning process. The scanning software can
uncompress the data in order to create scanned images. JPEG compression works on
grayscale and color scans.
To enable JPEG compression in an HP Smart Document Scan Software profile, follow
these steps:
1. Open the HP Smart Document Scan Software.
2. Select a scan profile, and then click Edit.
3. Turn on compression:
▲ On the Scan tab of the Profile Settings dialog box, select the Use scanner
compression (for optimal speed) check box.
4. Set how much compression should be performed:
a. On the Scan tab of the Profile Settings dialog box, click Advanced Settings.
b. On the More tab of the Properties dialog box, move the Scanner JPEG
Compression slider to the position that you want.
NOTE: To specify the level of JPEG compression in another application, navigate
to the TWAIN or ISIS Advanced Settings dialog box, and then move the Scanner
JPEG Compression slider to the position that you want.
Disable Misfeed (Multipick) Detection
The Misfeed (Multipick) Detection feature stops the scan or copy process if it senses that
multiple pages are fed into the scanner at one time. This feature is enabled by default.
To disable the Misfeed (Multipick) Detection feature in an HP Smart Document Scan
Software profile, follow these steps:
1. Open the HP Smart Document Scan Software.
2. Select a scan profile, and then click Edit.
3. On the Scan tab of the Profile Settings dialog box, click Advanced Settings.
4. On the More tab of the Properties dialog box, clear the Enable check box.
NOTE: To disable the Misfeed (Multipick) Detection feature in another scanning
software, navigate to the ISIS or TWAIN Advanced Settings dialog box. On the
More tab, clear the Enable check box.
16
Useful scanner features
Scan without reviewing
The standard process for using the HP Smart Document Scan Software to complete your
scans is as follows:
1. Scan document pages.
2. Review the scanned document pages in the HP Smart Document Scan Software
Scan Progress Window. Reorder, delete, and rescan pages as necessary.
3. Finish the scan by clicking Done Scanning in the Scan Progress Window.
4. Wait for the scanning software to process the scanned document pages according to
the profile settings.
You can set up a profile that skips steps 2 and 3 of the standard process. After you select
this profile, press the Scan button on the scanner front panel or click Scan in the HP
Smart Document Scan Software Main Window. The pages will be scanned and
processed without further intervention.
In order for a scan to complete automatically, the selected HP Smart Document Scan
Software profile must include the following settings:
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On the Profile tab, the Display thumbnails when scanning check box must be
cleared.
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Additional settings on the Destination tab, such as disabling the Show Save As
dialog box, might be required depending on the profile.
Set up and use the imprinter
The scanner includes an imprinter that can print a text message and index number on
the back of documents that are fed through the automatic document feeder (ADF). An
imprinter mark verifies that the document has been scanned, and the mark can indicate
when the scan occurred.
NOTE: If you are scanning two-sided pages, the imprinter mark might print over
existing content on the pages.
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Set up and use the imprinter
17
Chapter 2
Install or replace a print cartridge in the imprinter
The scanner uses an HP 51604A print cartridge. You must purchase the print cartridge
separately.
1. Raise the ADF input tray until it clicks into place.
2. Lift the green lever slightly, and slide the imprinter completely to the left.
3. Raise the cartridge stall latch.
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Useful scanner features
4. If you are replacing an empty print cartridge, slide it to the right to remove it from the
cartridge stall.
5. Remove the print cartridge from its packaging. Pull the tab to remove the protective
tape from the nozzles.
6. Hold the new print cartridge with the nozzles down and slide it into the cartridge stall.
7. Lower the cartridge stall latch to lock the print cartridge in place.
8. Grasp the center of the ADF input tray, and then lower the ADF input tray into position
for scanning.
9. Update the imprinter history:
a.
Press the Tools ( ) button on the scanner front panel to open the HP Scanner
Tools Utility. Click the Imprinter tab.
b. In the Cartridge Status section, click Record Replacement.
Position the imprinter
The position of the imprinter determines the left-right location of the imprinter mark on the
scanned page.
NOTE: For narrow pages, if the imprinter is positioned outside of the width of the
paper in the ADF input tray, the imprinter is not able to print on the scanned pages.
In this case, the scan does not complete and an error message is displayed on the
computer screen.
Set up and use the imprinter
19
Chapter 2
1. Raise the ADF input tray until it clicks into place.
2. Lift the green lever slightly, and then slide the imprinter to the position that you want.
NOTE: Several paper sizes are indicated in the imprinter carriage. If you set the
imprinter at the position for the paper size that you are using, the imprinter mark
is printed about 5 mm (.2 in) from the side of the page. You can select any position
that prints on the size of the paper that you are using. If you leave the imprinter
between the marked positions, the imprinter might shift during scanning, and the
imprinter mark will be of poor quality.
3. Grasp the center of the ADF input tray, and then lower the ADF input tray into position
for scanning.
Test the imprinter
Test the imprinter to verify that the print cartridge is loaded properly and to check the
placement of the imprinter mark on the page.
NOTE: To prevent the counter value from changing during the test, the imprinter test
prints a preset mark in the configured location.
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Useful scanner features
1. Place a single page in the automatic document feeder input tray.
2.
Press the Tools ( ) button on the scanner front panel to open the HP Scanner Tools
Utility. Click the Imprinter tab.
3. In the Cartridge Status section, click Test Imprinter.
Clean the imprinter
Clean the imprinter whenever the imprinter mark does not print completely.
1.
Press the Tools ( ) button on the scanner front panel to open the HP Scanner Tools
Utility. Click the Imprinter tab.
2. In the Cartridge Status section, click Clean Imprinter.
Use the imprinter
1. Open the HP Smart Document Scan Software.
2. Select a scan profile, and then click Edit.
3. On the Scan tab of the Profile Settings dialog box, click Advanced Settings.
4. On the Imprinter tab of the Properties dialog box, select Enable Imprinting.
5. In the Text box, enter the text to be printed on the back of each scanned document.
You can also do the following:
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Set a counter for number of pages imprinted.
Include the date and time in the imprinter mark.
Specify the distance between the leading edge of the document and the beginning of
the imprinter mark.
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Rotate the imprinter mark.
Make the imprinter mark bold.
Disable scanning when the print cartridge is running low on ink.
Set up and use the imprinter
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3 Care and maintenance
This section presents information about how to care for and maintain the scanner.
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Occasional cleaning of the scanner helps ensure high-quality scans. The amount of care
necessary depends upon several factors, including the amount of use and the
environment. You should perform routine cleaning as necessary.
Routine cleaning and maintenance should include cleaning the automatic document
feeder (ADF), the scanner glass, and the fan filters.
CAUTION: Avoid placing items that have sharp edges, paper clips, staples, wet
glue, correction fluid, or other substances in the scanner. Document pages should
not be curled, wrinkled, or stuck together.
Order maintenance and scanning supplies
You can purchase maintenance parts online. Items such as the feed roller replacement
kit are available for worldwide delivery.
2. Select your country/region, and then select your language.
3. Enter the scanner model number, and then press Enter.
Clean the automatic document feeder
The automatic document feeder (ADF) requires periodic maintenance depending on the
amount of use and the type of paper that is fed through it. Clean the ADF under the
following conditions:
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The ADF rollers are visibly dirty.
The ADF has trouble feeding documents.
Vertical streaks appear in images scanned by the ADF.
After scanning a document that is dusty, dirty, or has pencil writing on it through the
ADF.
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The environment is dusty.
22
Care and maintenance
If you use the ADF several times per week, monthly cleaning is recommended. Set up a
cleaning routine that is appropriate for the scanner.
1. Press the Power switch to the off position, and then disconnect the USB cable and
power cable from the scanner.
2. Open the scanner lid.
Clean the automatic document feeder
23
Chapter 3
3. Clean the clear scanning strip on the scanner bed. Wipe the clear area with a clean,
damp, lint-free cloth.
4. Close the scanner lid.
5. Lift the latch on top of the ADF to open the top and side ADF access doors.
24
Care and maintenance
6. Locate the white strip on the side ADF access door and the clear scan window inside
the ADF. Wipe both of these areas clean with a clean, damp, lint-free cloth.
7. Wipe the ADF rollers with a clean, damp, lint-free cloth.
8. Wait several minutes for the rollers to dry, and then close the ADF access doors.
9. Reconnect the USB cable and power cable to the scanner, and then press the
Power switch to the on position.
Clean the scanner glass
Clean the scanner glass under the following conditions:
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Streaks, scratches, or spots appear in images scanned from the scanner glass.
After scanning a document that is dusty or dirty from the scanner glass.
The environment is dusty.
Clean the scanner glass
25
Chapter 3
To clean the scanner glass, follow these steps:
1. Press the Power switch to the off position, and then disconnect the USB cable and
power cable from the scanner.
2. Open the scanner lid.
3. Clean the glass by using a soft, lint-free cloth that has been sprayed with a mild glass
cleaner.
CAUTION: Use only glass cleaner to clean the scanner glass. Avoid cleaners
that contain abrasives, acetone, benzene, and carbon tetrachloride, all of which
can damage the scanner glass. Avoid isopropyl alcohol because it can leave
streaks on the glass.
Do not spray the glass cleaner directly on the glass. If too much glass cleaner is
applied, the cleaner could leak under the glass and damage the scanner.
4. Dry the glass with a dry, soft, lint-free cloth.
5. Reconnect the USB cable and power cable to the scanner, and then press the
Power switch to the on position.
NOTE: If cleaning the top surface of the glass does not remove all dirt and smudges
from the glass, you can also clean the underside of the glass. Cleaning the underside
of the glass requires that you disassemble the scanner. For instructions on how to
Clean the scanner fan filters
The scanner includes two customer-accessible fan filters. These filters prevent dust and
debris from entering the fans. If the scanner is in a dirty or dusty environment, clean the
filters monthly.
For each fan filter, follow these steps:
1. Press the Power switch to the off position, and then disconnect the USB cable and
power cable from the scanner.
2. Remove the filter cover.
26
Care and maintenance
3. Clean the filter in one of the following ways:
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Use compressed air to blow the debris off of the filter.
Use a vacuum to remove the debris from the filter.
Rinse the filter with water.
NOTE: If the filter is damaged, replace it with a new filter. To order a replacement
part, go to www.hp.com/support
4. Inspect the filter cover. If it is dirty, use a clean, damp, lint-free cloth to remove the
dirt.
5. Ensure that the filter and the filter cover are completely dry.
CAUTION: A wet filter can damage the scanner.
6. Place the clean, dry filter in the filter cover, and then replace the cover on the scanner.
7. Reconnect the USB cable and power cable to the scanner, and then press the
Power switch to the on position.
Replace the feed roller and separation pad
Replace the feed roller and separation pad under either of the following conditions:
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Streaks on scans or paper jams occur repeatedly and cleaning the automatic
document feeder does not help.
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The HP Scanner Tools Utility Maintenance tab indicates that maintenance is due.
The feed roller replacement kit contains a feed roller and installation instructions. The
separation pad replacement kit contains a separation pad and installation instructions.
1. Press the Power switch to the off position, and then disconnect the USB cable and
power cable from the scanner.
2. Inspect and clean the two customer-accessible fan filters.
3. Open the top ADF access door, and then replace the feed roller and separation pad
as described in the installation instructions that were included with the replacement
kits.
Replace the feed roller and separation pad
27
Chapter 3
4. Close all ADF access doors, and then reconnect the USB cable and power cable to
the scanner.
5. Press the Power switch to the on position, and then update the scanner maintenance
history:
a.
Press the Tools ( ) button on the scanner front panel to open the HP Scanner
Tools Utility. Click the Maintenance tab.
b. In the Feed Roller Maintenance and Separation Pad Maintenance sections,
click Record Replacement.
For more information, see the HP Scanner Tools Utility help.
See also
HP Scanner Tools Utility scanner maintenance information
The Maintenance tab of the HP Scanner Tools Utility displays the scanner usage and
maintenance history. You can use this tab to record scanner maintenance.
The Imprinter tab of the HP Scanner Tools Utility displays information about the scanner
imprinter and the imprinter print cartridge. You can use this tab to record that the print
cartridge has been replaced.
To open the HP Scanner Tools Utility, press the Tools button on the scanner front panel.
For detailed information on using the HP Scanner Tools Utility, see the HP Scanner Tools
Utility help.
28
Care and maintenance
4 Troubleshooting
This section contains solutions for common problems with the scanner.
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For additional troubleshooting, see the online help for the scanning software that you are
Scanner LEDs
The scanner has two LED lights on the front panel that indicate scanner functions and
error conditions. The LED in the shape of an exclamation point (!) is the Attention LED,
and the LED in the Power Save button is the Power LED. The table below explains how
to interpret the indicator LEDs.
LED indications
Scanner action or condition
Error condition. Check your computer
screen for an error message.
The Attention LED
quickly blinks amber.
The Power LED is
lit with a steady green
light.
Attention condition. Check your computer
screen for a Maintenance Recommended
message.
The Attention LED is lit
with a steady amber
light.
The Power LED is
lit with a steady green
light.
The scanner is warming up.
The Power LED is
lit with a steady green
light.
The Attention LED
slowly blinks green.
The scanner is in Power Save mode.
The Power LED is
lit with a steady, dim
amber light.
Troubleshooting
29
Chapter 4
(continued)
LED indications
Scanner action or condition
The scanner is on and ready to scan.
The Power LED is
lit with a steady green
light.
The scanner is scanning an original.
There is no power to the scanner.
The Power LED is
lit with a steady green
light.
The Attention LED
blinks green at a
medium speed.
Both LEDs are off.
Scanner initialization or hardware problems
If the scanner does not work after installation or if the scanner has stopped working
correctly, you might see a message on the computer screen that is similar to one of the
following:
•
•
•
•
The scanner could not be initialized.
The scanner could not be found.
An internal error has occurred.
The computer cannot communicate with the scanner.
To fix the problem, check the scanner cables and software as described in the following
sections:
•
•
•
Check that the scanner has power
The power cable is connected between the scanner and a power outlet.
•
•
•
Ensure that the power cable is securely connected between the scanner and a live
electrical outlet.
If the power cable is connected to a surge protector, ensure that the surge protector
is plugged into an outlet and turned on.
Ensure that the Power switch on the right side of the scanner is in the on position.
30
Troubleshooting
If the problem persists after verifying the above items, try the following:
1. Press the Power switch to the off position, and then disconnect the power cable from
the scanner.
2. Wait 30 seconds.
3. Reconnect the power cable to the scanner, and then press the Power switch to the
on position.
After 30 seconds, the Power LED is lit with a steady green light and the Attention
LED is off.
Check the USB connection
Check the physical connection to the scanner.
•
Use the cable that was included with the scanner. Another USB cable might not be
compatible with the scanner.
•
Ensure that the USB cable is securely connected between the scanner and the
computer or USB hub. The trident icon on the USB cable faces up when the cable is
properly connected to the scanner.
If the problem persists after verifying the above items, try the following:
1. Do one of the following tasks depending on how the scanner is connected to the
computer:
•
If the USB cable is connected to a USB hub or a docking station for a laptop,
disconnect the USB cable from the USB hub or the docking station, and then
connect the USB cable directly to the computer.
•
•
If the USB cable is directly connected to the computer, plug it into another USB
port on the computer.
Remove all other USB devices from the computer except for the keyboard and
the mouse.
2. Press the Power switch to the off position, wait 30 seconds, and then press the
Power switch to the on position.
3. Restart the computer.
4. After the computer has restarted, try using the scanner.
If the scanner works and you changed the way it was connected to the computer in
step 1, the communication problem might involve the USB hub, the docking station,
a USB port, or another USB device. Leave the scanner directly connected to the
computer. Try using the scanner after reconnecting each additional USB device, and
disconnect any USB devices that prevent the scanner from working correctly.
If the scanner does not work, uninstall and then reinstall the HP Scanjet drivers and
utilities.
Scanner initialization or hardware problems
31
Chapter 4
Uninstall and then reinstall the HP Scanjet utilities
If checking the scanner cable connections did not solve the problem, the problem might
have occurred because of an incomplete installation. Try uninstalling and then reinstalling
the HP scanning utilities.
1. Press the Power switch to the off position, and then disconnect the USB cable and
power cable from the scanner.
2. Use the Add/Remove tool (in Windows Vista, the Programs and Features tool) from
the Control Panel to uninstall the following items:
•
•
HP Scanjet N9120 Document ISIS/TWAIN
HP Scanjet N9120 Utilities
3. Restart the computer.
4. Use the HP Scanning Software CD that came with the scanner to reinstall the HP
Scanjet Drivers and Tools.
5. Reconnect the USB cable and power cable to the scanner, and then press the
Power switch to the on position.
After 30 seconds, the Power LED is lit with a steady green light and the Attention
LED is off.
Scanner operation problems
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Scanner will not turn on
If the scanner will not turn on when you press the front panel scanner buttons, verify the
following:
•
•
•
Verify that power is being supplied to the scanner.
Ensure that the Power switch on the right side of the scanner is in the on position.
The scanner may have been unplugged. Check to see that the power cable has not
become disconnected from the scanner or unplugged from the power source.
32
Troubleshooting
Scanner lamp stays on
The scanner lamp should time out and turn off automatically after a period of inactivity
(about 15 minutes).
If the scanner lamp remains on after a long period of inactivity, turn off the scanner, wait
30 seconds, and then turn the scanner back on.
NOTE: The scanner lamp does not turn off when paper is in the automatic document
feeder input tray.
Scanner does not scan right away
Make sure the power switch on the right side of the scanner is turned on.
If the scanner has not been used for a while, the scanner lamp might need to go through
a warm-up period before scanning can begin. If the scanner lamp needs to warm up, it
takes a moment after starting the software or pressing a scanner button for scanning to
begin.
You can enable Instant Lamp On mode in the HP Scanner Tools Utility.
Scanner scans only one side of a double-sided page
Verify the following:
•
•
For single pass duplex scanning, scan pages through the ADF.
Select the Duplex setting in the scanning or copy software.
Scanned image is fuzzy
When scanning with the automatic document feeder (ADF), follow these steps:
1. Verify that the document original is not fuzzy.
2. Check for any obstructions in the scanner paper path and make sure that the paper
guides are positioned appropriately. Try another scan.
3. If the scanned image is still of poor quality, clean the ADF.
When scanning from the scanner glass, it is important that the item you scan comes in
close contact with the scanner glass. Follow these steps:
1. Verify that the document original is not fuzzy.
2. Check to see that the item is in full contact with the scanner glass.
3. If the scanned image is still of poor quality, clean the scanner glass.
See also
•
•
Scanned pages are out of order at the scan destination
Insert a multiple-page document with the printed first page of the document facing up and
with the top or left edge of the document pointing into the feeder.
See also
Scanner operation problems
33
Chapter 4
Scanned pages are missing at the scan destination
When scanning with the ADF, pages that stick together are scanned as one item. The
hidden pages are not scanned. Enable Misfeed (Multipick) Detection to stop the scan or
copy process if multiple pages are fed into the scanner at one time.
To enable the Misfeed (Multipick) Detection feature in an HP Smart Document Scan
Software profile, follow these steps:
1. Open the HP Smart Document Scan Software.
2. Select a scan profile, and then click Edit.
3. On the Scan tab of the Profile Settings dialog box, click Advanced Settings.
4. On the More tab of the Properties dialog box, select the Enable check box.
Optimizing scanning and task speeds
Several settings influence the total time for a scanning job. When you want to optimize
scanning performance, consider the following information.
•
To optimize scanning speed for pages that are A4 (or Letter) size or smaller, load the
pages with the long edge feeding into the automatic document feeder (ADF).
Scanning pages by loading the long edge first minimizes the length of the media
passing the scan heads, which results in faster scans.
NOTE: In the scanning software, choose the layout setting that matches the
orientation of the originals in the ADF.
•
•
To optimize data transfer from the scanner to the scanning software on the computer,
enable scanner hardware (JPEG) compression. Typically, the use of scanner
compression reduces the time to complete all color scans and grayscale scans with
resolution above 300 dpi. Scanner compression affects the rate of data transfer only
and can be used with all output formats.
If you are scanning to edit text, the optical character recognition (OCR) software
requires more processing time than for non-OCR scans, which is normal. Wait for the
item to scan.
NOTE: For the best OCR results, scanner compression should be set to the
minimum compression level or disabled.
•
Scanning at a higher resolution than necessary increases scanning time and creates
a larger file with no additional benefit. If you are scanning at a high resolution, set the
resolution to a lower level to increase scanning speed.
See also
•
•
•
The image is completely black or completely white
When scanning with the ADF, check the paper orientation.
34
Troubleshooting
When scanning from the scanner glass, the item might not be placed correctly on the
scanner glass. Make sure that the item you are trying to scan is placed face down on the
glass and the lid is closed.
See also
Scanned images are not straight
When scanning with the automatic document feeder, make sure that the paper guides
touch the edges of the original. Make sure that all documents are of the same size.
When scanning from the scanner glass, the item might have shifted when you closed the
lid. Straighten the original on the scanner glass, and then scan again.
Scanned images contain streaks or scratches
When scanning with the automatic document feeder (ADF), follow the steps below. After
each step, try another scan to see if the streaks or scratches are still apparent. If so, try
the next step.
1. Check that the originals are clean and unwrinkled.
2. Clean the ADF or the scanner glass.
3. Replace the separation pad and the feed roller.
See also
•
•
•
Vertical white stripes appear on the printed page
The destination printer might be out of toner or ink. Scan a different original to the same
printer to see if the issue lies with the printer.
If the second original has the same problem, clean the automatic document feeder or the
scanner glass.
See also
•
•
Scan files are too large
If the saved scans have very large file sizes, try the following:
Verify the scan resolution setting:
•
◦
◦
200 dpi is sufficient for storing documents as images.
For most fonts, 300 dpi is sufficient for using optical character recognition (OCR)
to create editable text.
◦
For Asian fonts and small fonts, 400 dpi is the recommended resolution.
Scanner operation problems
35
Chapter 4
Scanning at a higher resolution than necessary creates a larger file with no additional
benefit.
•
•
Color scans create larger files than do black and white scans.
If you are scanning a large number of pages at one time, consider scanning fewer
pages at a time to create more, smaller files.
•
Use the Kofax VirtualReScan software to process the scanned data. Kofax
VirtualReScan compresses the data, which can result in a smaller file.
The imprinter is not printing or the print quality is poor
If you reset the ink level in the HP Scanner Tools Utility the last time that you replaced
the print cartridge, you will receive imprinter status alerts when the ink level is running
low. If you did not reset the ink level at the time that you replaced the print cartridge, you
might receive erroneous imprinter status alerts or the imprinter might run out of ink before
the HP Scanner Tools Utility reports that the ink level is low.
NOTE: To use the imprinter, load originals in the automatic document feeder (ADF).
The imprinter cannot print on pages placed on the scanner glass.
To remedy other imprinter problems, try the following:
1. Verify that the Enable Imprinting check box is selected in the scanning software.
2. If the imprinter ink is smearing or leaving blobs of ink on the paper, remove the print
cartridge, and then gently wipe the copper contacts of the print cartridge with a clean,
damp, lint-free cloth. Reinstall the print cartridge, but do not reset the ink level in the
HP Scanner Tools Utility.
3. Verify that the cartridge stall latch holds the print cartridge firmly in place.
4. Verify that the imprinter is positioned at one of the predefined locations that is inside
the width of the paper as it is fed through the ADF.
5. Clean and test the imprinter:
a.
Press the Tools ( ) button on the scanner front panel to open the HP Scanner
Tools Utility. Click the Imprinter tab, and then click Clean Imprinter.
b. Ensure that the ADF has at least one piece of paper in the input tray.
c. In the HP Scanner Tools Utility, click Test Imprinter.
d. If the imprinter print quality is good, continue scanning. Otherwise, replace the
print cartridge.
See also
Scanner buttons are not working correctly
•
•
•
36
Troubleshooting
Buttons do not work
After each step, press a button to see if it is working correctly. If the problem persists,
proceed with the next step.
1. The buttons might be disabled in the HP scanning software. Ensure that the Disable
front panel buttons setting in the HP Scanner Tools Utility is cleared.
2. A cable might be loose. Ensure that the USB cable and the power supply are securely
connected.
3. Turn off the scanner, wait 30 seconds, and then turn the scanner back on.
4. Restart your computer.
5. If the problem persists, the buttons might be disabled outside of the HP scanning
software. Try the following procedure:
a. Open Control Panel, select Scanners and Cameras, and then select your
scanner model from the list.
b. Display the scanner properties:
•
•
Windows 2000: Click Properties.
Windows XP and Vista: Right-click your scanner model, and then click
Properties.
c. Examine the buttons setting for your scanner:
•
Windows 2000: Ensure that the Disable Device Events option is not
selected.
•
Windows XP and Vista: Ensure the Take No Action option is not selected.
An unexpected program opens when a button is pressed
NOTE: The Scan and Copy button settings can be changed in the HP Scanner
Tools Utility. You cannot change the settings for the Cancel, Tools, or Power Save
buttons.
After each step, press a button to see if it is working correctly. If the problem persists,
proceed with the next step.
1. On the Buttons tab of the HP Scanner Tools Utility, determine the associations for
the Scanner Front Panel Buttons. If necessary, change the software that is
assigned to a button.
2. Verify that the expected program is installed on the computer by looking at the
Start menu.
If necessary, install the program.
3. If the problem persists, the buttons might be assigned outside of the HP Scanner
Tools Utility. Try the following procedure:
a. Open Control Panel, select Scanners and Cameras, and then select your
scanner model from the list.
b. Display the scanner properties:
•
•
Windows 2000: Click Properties.
Windows XP and Vista: Right-click your scanner model, and then click
Properties.
c. Ensure that the Start this program option is selected and that the correct
application is selected in the drop-down list.
Scanner buttons are not working correctly
37
Chapter 4
Wrong profile is used when the Scan button is pressed
If you are using the HP Smart Document Scan Software, use the HP Scanner Tools Utility
to determine which HP Smart Document Scan Software profile is assigned to the Scan
button. If necessary, reset the profile assigned to the button.
NOTE: You can also assign an HP Smart Document Scan Software profile to the
Copy button.
If you are using other scanning software, see the online help for that program.
See also
Automatic document feeder problems
Use this section to help resolve issues that might occur when scanning from the automatic
document feeder (ADF).
Paper jams usually result from inappropriate paper being fed into the ADF. Review the
tips for using the ADF. If misfeeds occur frequently, perform ADF maintenance.
This section contains the following topics:
•
•
•
See also
•
•
•
38
Troubleshooting
Chapter 4
4. Remove any jammed pages from inside the ADF.
5. Remove any jammed pages from the ADF output tray.
6. If the jammed page still cannot be removed, follow these steps:
a. Open the scanner lid.
b. Push the green tab toward the scanner lid to open the inner ADF access door. If
the door does not open automatically, gently pry it open.
c. Gently pull the page out of the ADF.
40
Troubleshooting
7. Close the inner ADF access door, and then close the scanner lid.
8. At the scan destination, examine the scan output to determine which page was the
last to be completely scanned.
9. Reload the unscanned pages in the ADF input tray. If any pages are damaged, do
one of the following:
•
•
•
Photocopy the damaged page, and then add the photocopy to the input stack.
Scan the damaged page from the scanner glass.
Reprint the original document.
Prepare the stack as follows:
a. Fan the stack of document pages to ensure that the pages do not stick together.
Fan the edge that will be pointing into the feeder in one direction, and then fan
that same edge in the opposite direction.
b. Align the edges of the documents by tapping the bottom of the stack against the
table top. Rotate the stack 90 degrees and repeat.
10. Resume scanning.
Automatic document feeder problems
41
Chapter 4
Automatic document feeder does not feed paper
•
The automatic document feeder (ADF) access doors might not be securely latched.
Open the ADF access doors, and then close the doors by pressing firmly.
•
A problem with the ADF hardware might exist. Use the following procedure to test the
ADF:
◦
Disconnect the USB cable and the power cable from the scanner. Check that the
power cable is still connected to the power source.
◦
◦
◦
Ensure that the ADF has at least one piece of paper in the input tray.
Reconnect the power cable to the scanner, and then turn the scanner on.
Try to scan another page through the ADF.
The bottom of the scanned image is cut off
By default, the scanner can scan paper that is up to 432 mm (17 in) long. For longer
pages, the end of the document is not included in the scanned image.
Verify that you have specified an appropriate page size in the scanning software.
See also
Additional troubleshooting information
For additional troubleshooting information, see the following resources:
•
•
For information about the scanning software that you are using, see the online help
for that program.
To look for updated information about the scanner, visit the HP scanner support Web
◦
◦
Select your country/region, and then select your language.
Enter the scanner model number, and then press Enter.
•
If you do not have Internet access, for support contact information, see the information
about getting assistance in the scanner getting started guide.
42
Troubleshooting
5 Accessibility
Accessibility features
The N9120 scanner includes the following accessibility features:
LED Reader
The LED Reader is software that outputs the status of the indicator LEDs on the scanner front panel
to the computer monitor as the LEDs change. The LED Reader enables accessibility software tools
to express what is being shown on the scanner front panel.
To use the LED Reader, follow these steps:
1. On your hard drive, navigate to the C:\Program Files\Common Files\Hewlett-Packard\Scanjet
\9120\ directory.
2. To start the program, double-click hpled.exe.
NOTE: The LED Reader is not able to display the LED indications when there is a USB
connection error or the scanner is off.
See also
Control of the scanner buttons
To prevent buttons from being pushed accidentally, you can disable the buttons on the scanner front
panel.
When the buttons are disabled, you always start scans and copies from the computer using scanning
software. You can still press the Cancel button on the scanner front panel to stop a scan or copy
and the Power Save button to put the scanner into Power Save mode.
To turn off the scanner buttons, follow these steps:
1. Open the HP Scanner Tools Utility.
2. On the Buttons tab, select the Disable front panel buttons check box.
To turn on the scanner buttons, clear the Disable front panel buttons check box.
NOTE: You must have administrative privileges on the computer to change the setting of
this check box.
Accessibility
43
Index
HP Smart Document Scan
Software profiles 13
imprinter 17
long-page support 14
Misfeed (Multipick)
Detection 16
A
L
accessibility 43
ADF
lamp, scanner 33
LED Reader 43
LEDs 29
clean 22
clear jams 39
cut-off images 42
feeding, troubleshoot 42
load paper 5
lights 29
lines
troubleshoot 35
load originals 5
long-page support 14
page rotation 14
scan background color 15
scanner hardware 3
Scanner JPEG
maintenance 22
streaks, troubleshoot 35
applications
scan from 12
Attention LED 29
compression 16
feed roller
replace 27
filters, clean 26
M
maintenance
clean ADF 22
clean scanner glass 25
HP Scanner Tools Utility
fuzzy images, troubleshoot 33
B
background color 15
black scans, troubleshoot 34
buttons
G
HP Scanner Tools Utility
Maintenance tab 28
replace feed roller 27
replace separation pad 27
Misfeed (Multipick) Detection
feature 16
glass, clean 25
scanner front panel 4
troubleshoot 37
H
HP Scanner Tools Utility
Maintenance tab 28
HP Smart Document Scan
Software
C
clean
ADF 22
O
order
scanner fan filters 26
scanner glass 25
clear jams, ADF 39
Color dropout 15
copy 12
crooked images,
troubleshoot 35
customer support 42
cut-off images, troubleshoot 42
scan from 11
troubleshoot 38
separation pad
replacement 27
I
imprinter
P
install print cartridge 18
position 19
page orientation 14
pages missing, troubleshoot 34
pages out of order 33
parts
troubleshoot 36
use 21
indicator lights 29
Instant Lamp On mode 5
ISIS-compliant programs
scan from 12
position imprinter 19
Power LED 29
Power Save mode 5
power-on, troubleshoot 32
print cartridge, install 18
problem-solve
D
disable scanner buttons 43
document feeder. See ADF
double-sided scans
troubleshoot 33
F
LEDs 29
J
features
jams, ADF 39
color dropout 15
44
Index
profiles
status lights 29
stripes
white scans, troubleshoot 34
white stripes
assign to quick start
troubleshoot 35
in HP Smart Document Scan
Software 13
troubleshoot 35
support 42
programs
scan from 12
T
technical support 42
test imprinter 20
troubleshoot
Q
quick start buttons
associate with scanning
software 11
ADF 38
ADF feeding 42
black scans 34
troubleshoot 38
crooked images 35
cut-off images 42
double-sided scans 33
HP Smart Document Scan
Software 38
R
replace feed roller 27
replace separation pad 27
reset the scanner 30
imprinter 36
S
lamp stays on 33
large scan files 35
LEDs 29
page order 33
pages missing 34
power-on 32
quick start buttons 38
reset the scanner 30
scan buttons 37
stops working 30
uninstall and reinstall
software 32
scan
background color 15
from HP Smart Document
Scan Software 11
from other programs 12
process overview 10
with one button press 17
scan buttons
troubleshoot 37
scan profiles
scanner
features 3
lamp setting 5
lamp, troubleshoot 33
white scans 34
TWAIN-compliant programs
scan from 12
power-on, troubleshoot 32
scanner fan filters, clean 26
scanner glass
U
uninstall and reinstall
software 32
use imprinter 21
clean 25
load original 9
Scanner hardware compression
V
screen reader 43
separation pad
vertical white stripes
troubleshoot 35
replace 27
software
uninstall and reinstall 32
W
Web sites
replacement parts 27
45
46
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