FO-5700U
SERVICE MANUAL
No. 00ZFO5700USME
FACSIMILE
MODEL FO-5700
Illustration: FO-5700
In this Service Manual for FO-5700U which is provided with 2nd. cassette (FO-47UC) and memory PWB (FO-1MK),
only the information which differs from that for FO-4700U/FO-47UC already issed is contained. For the information not
contained, refer to the Service Manual for FO-4700U/FO-47UC (00ZFO4700USME) and FO-1MK
(00ZFO1MKCUSME).
Difference between FO-4700U and FO-5700U
FO-4700U
FO-5700U
OPTION
(FO-47UC)
2nd. cassette
STANDARD EQUIPMENT
OPTION
Memory PWB
STANDARD EQUIPMENT
DCEKC489MXHZZ
(FO-1MK)
Control PWB unit
DCEKC082MXHZZ
CAUTION
This laser facsimile is a class 1 laser product that complies with 21CFR 1040.10 and 1040.11 of the CDRH or IEC60825-1 standard.
This means that this machine does not produce a hazardous laser radiation. The use of controls, adjustments or performance of
procedures other than those specified herein may result in hazardous radiation exposure.
This laser radiation is not a danger to the skin, but when an exact focusing of the laser beam is achieved on the eyes retina, there is
danger of spot damage to the retina.
The following cautions must be observed to avoid exposure of the laser beam to your eyes at the time of servicing.
1) When a problem in the laser optical unit has occurred, the whole optical unit must be exchanged as a unit, not an individual part.
2) Do not look into the machine with the main switch turned on after removing the toner/developer unit and drum cartridge.
3) Do not look into the laser beam exposure slit of the laser optical unit with the connector connected when removing and installing
the optical system.
4) The cover of Laser Printer Unit contains the safety interlock switch.
Do not defeat the safety interlock by inserting wedges or other items into the switch slot.
Laser Wave Length : 770-810 mm
Laser Pulse Times : 49.2 µs
Laser Output Power : 0.37 mW
Parts marked with " " is important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintain-
ing the safety and performance of the set.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
SHARP CORPORATION
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FO-5700U
CONTENTS
CHAPTER 1. GENERAL DESCRIPTION
[1] Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
[2] Refer to the service manual of FO-4700U/FO-47UC
[3] Refer to the service manual of FO-4700U/FO-47UC
[4] Refer to the service manual of FO-4700U/FO-47UC
[5] Refer to the service manual of FO-4700U/FO-47UC
CHAPTER 2. ADJUSTMENTS
[1] Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
[2] Diagnostics and service soft switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
[3] Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-35
[4] Error code table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-36
CHAPTER 3. MECHANICAL DESCRIPTION
[1] Refer to the service manual of FO-4700U/FO-47UC
[2] Refer to the service manual of FO-4700U/FO-47UC
[3] Refer to the service manual of FO-4700U/FO-47UC
[4] How to install the verification stamp (FO-45VS) refer to the service manual supplement of FO-4700U/FO-47UC
CHAPTER 4. DIAGRAMS
[1] Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
[2] Wiring diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
[3] Point-to-point diagram and connector signal name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Circuit description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
[2] Circuit description of control PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
[2-1] Circuit description of memory PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19
[3] Refer to the service manual of FO-4700U/FO-47UC
[4] Refer to the service manual of FO-4700U/FO-47UC
[5] Refer to the service manual of FO-4700U/FO-47UC
[6] Refer to the service manual of FO-4700U/FO-47UC
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT
[1] Control PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
[2] LIU PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-19
[3] Printer PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-21
[4] Power supply PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-25
[5] Operation panel PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-27
[6] High voltage PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-29
[7] Toner empty PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-31
[8] 2nd. cassette PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-32
[9] Memory PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-34
CHAPTER 7. OPERATION FLOWCHART
[1] Refer to the service manual of FO-4700U/FO-47UC
[2] Refer to the service manual of FO-4700U/FO-47UC
CHAPTER 8. OTHERS
[1] Refer to the service manual of FO-4700U/FO-47UC
[2] Refer to the service manual of FO-4700U/FO-47UC
PARTS GUIDE
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FO-5700U
CHAPTER 1. GENERAL DESCRIPTION
[1] Specifications
• GENERAL
Effective Scanning width 8.3" (210 mm) max.
Automatic dialing
Rapid Key Dialing: 48 numbers
Speed Dialing: 100 numbers
Effective Printing width
Reception modes
Instascan speed
Full Dual Access
Copy function
8.0" (203 mm) max.
Auto/Manual
Memory size*
Modem speed
2 MB (approx. 116 pages with ECM off)
30 ppm (letter paper)
Yes
33,600 bps (max.)
Automatic fallback to lower speeds.
Transmission time*
Approx. 2 seconds
Single/Multi/Sort (99 copies/page)
120 V AC, 60 Hz
50 - 86°F (10 - 30°C)
20 to 85% RH
Toner cartridge yield
(4% page coverage)
Initial starter cartridge (included with
fax machine): 3000 pages (avg.)
(letter paper)
Replacement cartridge (FO-47ND):
6000 pages (avg.) (letter paper)
Power requirements
Operating temperature
Humidity
Drum cartridge yield
Resolution
Initial starter cartridge (included with
fax machine): 20,000 pages (avg.)
Replacement cartridge (FO-47DR):
20,000 pages (avg.)
Power consumption
Standby: 12 W
Maximum: 580 W
Dimensions
Weight
Width: 18.1" (460 mm)
Depth: 15.2" (385 mm)
Height: 15.4" (390 mm)
Horizontal: 203 pels/inch (8 pels/mm)
Vertical:
Standard: 98 lines/inch (3.85 lines/mm)
Fine /Halftone:
Approx. 41.0 Ibs.(18.6kg)
196 lines/inch (7.7 lines/mm)
Super fine:
*
Based on ITU-T (CCITT) Test Chart #1 at standard resolution in Sharp
special mode, excluding time for protocol signals (i.e., ITU-T phase C
time only).
391 lines/inch (15.4 lines mm)
Automatic document
feeder
50 pages max. (20 lb letter paper)
750 sheets (tray and cassette)
Option
Paper capacity
: FO-47ND
: FO-47DR
: FO-47IF
: FO-3MK
: FO-45VS
Toner cartridge
Drum cartridge
PC interface
Compression scheme
MMR, MR, MH, Sharp (H2)
(Also supports JBIG)
Halftone (grayscale)
64 levels
Applicable telephone line Public switched telephone network
Option memory
Verification stamp
Compatibility
ITU-T (CCITT) G3 mode
Printing resolution
Horizontal: 406 lines/inch
(16 lines/mm)
Vertical: 391 lines/inch
(15.4 lines/mm)
PC Printing: 600 dpi
Input document size
Automatic feeding:
Width: 5.8 to 10.1" (148 to 256 mm)
Length: 5.0 to 14.3" (128 to 364 mm)
Manual feeding:
Width: 5.8 to 11.0" (148 to 279 mm)
Length: 5.0 to 17.0" (128 to 432 mm)
Note: This facsimile machine is Year 2000 compliant.
<IMPORTANT PLEASE READ FIRST>
To avoid problems with supplies, please don’t use supplies from other units. Please use new supplies, when supply changes are required.
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