Sharp FO 4400 - B/W Laser - All-in-One Service Manual Page 2
- Page / 190
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
Rated. / 5. Based on customer reviews
1 – 2
FO-4400U
FO-CS1
CONTENTS
• CAUTION FOR BATTERY REPLACEMENT
• PRECAUTIONS FOR USING LEAD-FREE SOLDER
CHAPTER 1. GENERAL DESCRIPTION
[1] Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
[2] Life of consumable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
[3] Operation panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
[4] Transmittable documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
[5] Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
[6] Quick reference guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
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
[5] Overseas communication mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-38
[6] Administrator mode in the personal book function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-38
CHAPTER 3. MECHANICAL DESCRIPTION
[1] Mechanical description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
[2] Printer description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
[3] Disassembly and assembly procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
[4] How to install the verification stamp (FO-45VS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33
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
[3] Circuit description of CIS unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
[4] Circuit description of LIU PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
[5] Circuit description of operation panel PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
[6] Circuit description of power supply PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT
[1] Control PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
[2] LIU PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
[3] Printer PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-21
[4] Power supply PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-25
[5] Operation panel PWB circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-27
[6] 2nd paper cassette PWB circuit (FO-CS1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-31
CHAPTER 7. OPERATION FLOWCHART
[1] G3 protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
[2] Super G3 protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
[3] Power on sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
CHAPTER 8. OTHERS
[1] Service Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
[2] Rewriting version up the FLASH ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
PARTS GUIDE
- SERVICE MANUAL 1
- FACSIMILE 1
- CONTENTS 2
- [1] Specifications 4
- [2] Life of consumable 4
- [3] Operation panel 5
- [4] Transmittable documents 6
- [5] Installation 7
- Attach a letter or 9
- SPEED DIAL 14
- CHAPTER 2. ADJUSTMENTS 15
- MEMORY CLEAR ? 16
- S W 0 1 = 0 0 0 0 0 0 0 0 17
- Soft switch mode screen 17
- PANEL CHECK MODE 18
- ALL KEY OK !! 18
- : Speed dial number 19
- HHHHHHHHHHHHHHHHHHHH 20
- • Blank paper aging mode 21
- 4. Soft switch description 24
- • Soft switch 24
- [3] Troubleshooting 49
- [4] Error code table 50
- 2. Service call error massage 51
- Super G3 mode 51
- [1] Mechanical description 53
- [2] Printer description 54
- 8. LASER EXPOSURE 57
- 9. DEVELOPMENT 57
- 9-1. Overview 57
- Temperature (°C) 58
- 12. PRINT SEQUENCE 59
- 13. Timing chart 60
- 13-1. Print Starting 60
- 13-2. Print Ending 60
- 2 Rear cabinet 62
- PWB plate, Right cabinet 63
- 4 PWB unit 64
- Inner left cabinet unit 67
- 9 Power supply PWB 68
- Scanner frame unit (1/2) 69
- Scanner frame unit (2/2) 70
- Document guide upper unit 71
- Operation panel unit 71
- 13 Upper cover 72
- Wire treatment 73
- High voltage PWB unit (HV1) 74
- Main motor (M1) 75
- Fusing unit (1/2) 77
- Heater Lamp 78
- Voltage Mark 78
- Paper cassette (FO-CS1) 79
- Cassette case unit 80
- Drive system unit (FO-CS1) 81
- Cassette cabinet (FO-CS1) 82
- Cassette case (1/2) (FO-CS1) 83
- Cassette case (2/2) (FO-CS1) 84
- (FO-45VS) 85
- CHAPTER 4. DIAGRAMS 87
- [1] Circuit description 91
- FO-4400U 100
- (3) Modem block 101
- (2) Backup memory block 101
- 0 I1 Output Current 104
- E) = IOUT 104
- E) = IOUT x 2/3 104
- E) = IOUT x 1/3 104
- 2. Waveforms 105
- CPU block 110
- MAIN CPU 111
- HD6417706F133 111
- Main ASIC block 112
- IC5 SDRAM 113
- MT48LC4M16A2TG-75/ 113
- W986416DH-7 113
- Sub ASIC block 114
- R284 10K 115
- Memory block 4/12 116
- Modem block 5/12 117
- LCD controller block 7/12 119
- Connector block 1 9/12 121
- Connector block 2 10/12 122
- Connector block 3 11/12 123
- Connector block 4 12/12 124
- [2] LIU PWB circuit 1/1 127
- M38079EFFS_12MHZ 130
- Printer PWB circuit 2/2 131
- HEATER ON 134
- HEATER-RELAY OFF 134
- INTERLOCK 134
- Power Supply PWB parts layout 135
- Joint PWB 138
- No. DESCRIPTION PARTS CODE 139
- C LED PWB unit DCEKP425CXHI1 139
- [1] G3 Protocol 144
- [2] Super G3 Protocol 145
- [3] Power On Sequence 146
- CHAPTER 8. OTHERS 147
- Fig. 5 Connected cable 149
- FO-4400 PC 150
- PARTS GUIDE 151
- [5] Document guide upper unit 156
- [4] Operation panel unit 156
- [10] Drive/Transfer unit 162
- PARTS CODE 163
- DESCRIPTION 163
- I n d e x 183
- © 2002 BY SHARP CORPORATION 190
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