Sharp FO-6700 Service Manual Page 49
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- Table of contents
- TROUBLESHOOTING
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FO-6700U
FO-67DL
3 – 1
CHAPTER 3. MECHANICAL DESCRIPTION
[3] Disassembly and assembly procedures
• This chapter mainly describes the disassembly procedures. For the assembly procedures, reverse the disassembly procedures.
• Easy and simple disassembly/assembly procedures of some parts and units are omitted. For disassembly and assembly of such
parts and units, refer to the Parts List.
• The numbers in the illustration, the parts list and the flowchart in a same section are common to each other.
• To assure reliability of the product, the disassembly and the assembly procedures should be performed carefully and deliberately.
1
Fig. 1
Rear cabinet
Parts list (Fig. 1)
1 Main unit 1
2 Screw (3×10) 4
3 Rear cabinet 1
No. Part name Q’ty
1
2
3
1
2
2
2
2
3
HOOK
HOOK
Core
Panel Cable
Shield Plate
To Core and Panel
Cable position is
inside of Shield Plate.
- SERVICE MANUAL 1
- FACSIMILE 1
- CONTENTS 3
- [1] Specifications 4
- 28 29 30 31 32 33 5
- 40393837363534 5
- CHAPTER 2. ADJUSTMENTS 9
- MEMORY CLEAR ? 10
- 1) Soft switch mode 11
- 2) Print area 11
- 3) ROM & RAM check 11
- After setup of the document 12
- Only the sensor which is 12
- SPEED key SXXX XXX 13
- : Speed key number 13
- 2-2. Print diagnosis 15
- • Blank paper aging mode 15
- • SW1 to SW30 : For line 1 17
- • SW31 to SW60 : For line 2 17
- 4. Soft switch description 18
- • Soft switch 18
- [3] Troubleshooting 44
- [4] Error code table 45
- Super G3 mode 46
- 2. Service call error massage 46
- Wire treatment 52
- [1] Block diagram 53
- [2] Wiring diagram 54
- [1] Circuit description 57
- (8) Gate Array (B) Block 64
- (9) CODEC Block 66
- (10) Page Memory Block 69
- (11) Driver Block 70
- (12) DPRAM I/F Block 71
- 1. General description 72
- (1) Sub CPU Block 72
- (2) Modem Block 75
- (8) JBIG Block 80
- IC3: VHiM65761FP-1(M65761FP) 80
- CPU & memory block 82
- Flash memory block 3/16 84
- Reading block 4/16 85
- Gate array (B) block 7/16 88
- Codec block 8/16 89
- Page memory block 9/16 90
- Other block 14/16 95
- Connector block 1 15/16 96
- FO-6700U 100
- Modem block 2/7 101
- Gate array block 3/7 102
- QM-coder block 4/7 103
- Dual port RAM block 5/7 104
- Access control block 6/7 105
- Connector block 7/7 106
- LIU PWB parts layout 109
- Printer PWB circuit 2/2 111
- T1 7 8 – 9 114
- T1 2 – 3 114
- Power Supply PWB parts layout 115
- High Voltage PWB parts layout 119
- Toner Empty PWB parts layout 120
- Memory PWB circuit 2/3 126
- Memory PWB circuit 3/3 127
- [1] G3 Protocol 129
- [2] Super G3 Protocol 130
- [3] Power On Sequence 131
- CHAPTER 8. OTHERS 132
- 2. Description 133
- For inspection 135
- [2] IC Signal Names 137
- 8 7 5 8 B 138
- PRINTER PWB UNIT 139
- 16 15 14 13 12 11 10 9 142
- 1 2 3 4 5 6 7 8 142
- 1C 2C 3C 4C 5C 6C 7C COM 142
- 1B 2B 3B 4B 5B 6B 7B E 142
- PARTS GUIDE 143
- [12] 2nd.Cassette (1) 158
- I n d e x 184
- © 2000 BY SHARP CORPORATION 192
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