Sharp AL-2051 Service Manual Page 120
- Page / 139
- Table of contents
- BOOKMARKS
- SERVICE MANUAL 1
- CAUTION 2
- CONTENTS 4
- [1] GENERAL 6
- [2] SPECIFICATIONS 7
- 3. Copy performance 8
- 4. Network board 9
- 5. Printer 9
- 6. Scan function 9
- [3] CONSUMABLE PARTS 10
- 2. Environmental 11
- 1. Appearance 12
- 2. Internal 12
- 3. Operation panel 13
- 4. Motors and solenoids 14
- 5. Sensors and switches 15
- 6. PWB unit 16
- 7. Cross sectional view 17
- 1. Copier installation 18
- 2. Cautions on handling 18
- 4. Unpacking 19
- 7. Loading paper 19
- 8. Power to copier 20
- 9. Software 20
- B. Installing the software 21
- (2) Connecting a USB cable 22
- D. Setting up button manager 26
- 10. Interface 27
- 11. Moving 27
- C. Attachment method 28
- 20mm - 25mm 29
- [6] COPY PROCESS 32
- 2. Outline of print process 33
- 3. Actual print process 33
- About DC 5.2kV 34
- Semiconductor laser 35
- [7] OPERATIONAL DESCRIPTIONS 36
- 2. Scanner section 37
- 3. Laser unit 38
- 4. Fuser section 38
- A. General description 39
- Gear 20T 42
- Process detection switch 42
- Gear 38T 42
- 7. RSPF section 43
- D. RSPF open/close detection 44
- (book document detection) 44
- A. Initial state 44
- B. Front copy 44
- C. Back copy 44
- 9. Shifter 45
- [8] DISASSEMBLY AND ASSEMBLY 46
- 2. Operation panel section 47
- 3. Optical section 48
- 4. Fusing section 50
- PPD2 sensor 51
- Heater lamp 51
- Heat roller 52
- C. Assembly procedure 53
- B. Disassembly procedure 53
- PS semi-circuler 57
- 7. Rear frame section 61
- 8. Power section 62
- 9. Duplex motor section 62
- 10. Reverse roller section 63
- 11. RSPF section 63
- C. Document tray unit 64
- F. Drive unit 64
- G. Shutter solenoid 65
- I. Paper empty sensor 66
- J. PS roller 67
- K. Upper transport roller 67
- L. Paper sensor 68
- M. Lower transport roller 68
- N. Paper exit sensor 68
- [9] ADJUSTMENTS 69
- B. Image position adjustment 70
- B4 or 8 1/2″ × 14″ paper 71
- A4 size rear edge 71
- Paper rear edge 71
- Scale image 71
- 2. Copy density adjustment 72
- 3. High voltage adjustment 73
- 4. Duplex adjustment 74
- Document guide 75
- The trailing edge has a scale 75
- Table glass 75
- 2. Key rule 77
- 3. List of simulations 77
- (Example) 101
- (Main cassette paper feed) 102
- Chart back surface 106
- 5. Trouble codes 108
- [11] USER PROGRAM 112
- [12] ELECTRICAL SECTION 115
- 2. Actual wiring diagram 116
- RSPF UNIT 117
- 3. Signal name list 118
- [13] CIRCUIT DIAGRAM 120
- 2/14Memory section 121
- 3/14Buffer section 122
- 4/14Driver section 1 123
- 5/14Driver section 2 124
- 6/14Connector section 1 125
- 7/14Connector section 2 126
- 8/14Connector section 3 127
- 9/14Pull Up/Down section 128
- 11/14KronosII SDRAM section 130
- 13/14KronosII USB/LSU section 132
- 14/14Power Source section 133
- 1/3LED/LCD section 134
- 2/3KEY / Buzzer section 135
- 3/3Connector section 136
- LEAD-FREE SOLDER 137
- CAUTION FOR BATTERY DISPOSAL 138
- Trademark acknowledgements 139
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