Sharp AL-2050CS Digital Multifunctional System Operation Manuale di Servizio Pagina 21
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AL-2030/2040CS/2050CS EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 9
6. PWB unit
A. AL-2030/2040CS
2
4
5
8
3
6
7
9
10
1
No. Name Function
1 Exposure lamp invertor PWB Exposure lamp (CCFL) control
2 Main PWB (MCU) Copier control
3 Operation PWB Operation input/display
4 High voltage PWB High voltage control
5 CCD sensor PWB For image scanning
6 LSU motor PWB For polygon motor drive
7 TCS PWB For toner sensor control
8 LSU PWB For laser control
9 NIC PWB Network print control (AL-2040CS only)
10 Power PWB AC power input, DC voltage control
- SERVICE MANUAL 1
- AL-2040CS 1
- AL-2050CS 1
- VORSICHT 2
- ADVARSEL 2
- VARNING ! 2
- CONTENTS 4
- [1] GENERAL 6
- [2] SPECIFICATIONS 7
- 3. Copy performance 8
- 6. Scan function 9
- 7. SPF (AL-2030/2040CS) 10
- 8. RSPF (AL-2050CS) 10
- [3] CONSUMABLE PARTS 11
- Production control 12
- 1. Appearance 13
- 2. Internal 13
- 3. Operation panel 14
- B. AL-2050CS 15
- 4. Motors and solenoids 17
- 5. Sensors and switches 19
- 6. PWB unit 21
- 7. Cross sectional view 23
- 1. Copier installation 25
- 2. Cautions on handling 25
- 4. Unpacking 26
- Pressure plate lock 27
- Paper guide (B) 27
- Paper guide (A) 27
- B. Installing the software 28
- (AL-2030/2040CS) (AL-2050CS) 30
- (AL-2040CS/2050CS) 32
- C. Setting up Button Manager 33
- (AL-2040CS/2050CS only) 33
- 10. Interface 34
- 11. Moving 34
- C. Attachment method 35
- 20mm - 25mm 36
- Stick the 37
- [6] COPY PROCESS 39
- 2. Outline of print process 40
- 3. Actual print process 40
- About DC 5.2kV 41
- Semiconductor laser 42
- [7] OPERATIONAL DESCRIPTIONS 43
- 2. Scanner section 44
- 3. Laser unit 45
- 4. Fuser section 45
- A. General description 46
- Gear 20T 49
- Process detection switch 49
- Gear 38T 49
- C. Operational descriptions 50
- (AL-2050CS only) 51
- 9. Shifter (AL-2050CS only) 52
- Transfer 53
- Lock pawl rear 53
- Lock pawl front 53
- Charger wire 54
- Protrusion 54
- 3. Optical section 55
- 4. Fusing section 57
- PPD2 sensor 58
- Heater lamp 58
- C. Assembly procedure 60
- B. Disassembly procedure 60
- AL-2030 only 63
- PS semi-circuler 65
- Back Wire treatment 67
- 7. Rear frame section 68
- 8 Power section 70
- 9. Duplex motor section 70
- 10. Reverse roller section 70
- B. Upper door unit 71
- C. Document tray unit 71
- F. Drive unit 72
- G. Shutter solenoid 73
- I. Paper empty sensor 74
- J. PS roller 74
- K. Upper transport roller 75
- L. Paper sensor 75
- M. Lower transport roller 75
- N. Paper exit sensor 76
- A. SPF motor 76
- C. Paper exit roller 78
- E. Transport roller 78
- 13. 2nd cassette section 79
- B. Cassette detection switch 80
- C. Paper feed solenoid 80
- D. Transport roller 80
- E. Paper feed clutch 80
- F. 2nd paper feed roller 80
- [9] ADJUSTMENTS 81
- B. Image position adjustment 82
- (Main cassette paper feed) 83
- (2nd cassette paper feed) 83
- (Manual paper feed) 83
- 2. Copy density adjustment 84
- 3. High voltage adjustment 85
- 4. Duplex adjustment 86
- Document guide 87
- The trailing edge has a scale 87
- Table glass 87
- 2. Key rule 89
- 3. List of simulations 89
- (Example) 112
- Chart back surface 117
- 5. Trouble codes 118
- [11] USER PROGRAM 122
- 4. User programs (AL-2050CS) 123
- B. Print mode 125
- [12] ELECTRICAL SECTION 126
- (2) AL-2050CS 127
- 2. Actual wiring diagram 128
- SPF UNIT 129
- B. AL-2040CS 130
- C. AL-2050CS 132
- RSPF UNIT 133
- 2nd CASSETTE UN 134
- [13] CIRCUIT DIAGRAM 137
- FLASH ROM 139
- Analog Tonner Sensor Buffer 141
- Scanner Motor Driver 142
- SPF Motor Driver 142
- Duplex Motor Driver 142
- Tonner Motor Driver 142
- To Operational PWB 144
- To Power unit 144
- For AL2040 Model Only 145
- To Scanner unit 146
- Copy Lamp Inverter 146
- To DV Unit with CRUM 148
- (Analog Tonner Sensor) 148
- To DV Unit 148
- To NIC PWB 149
- 3. MCU PWB (AL-2050CS) 151
- FlashROM VPP Controll 154
- Serial EE-PROM 154
- Reset Circuit 155
- ASIC Reset 155
- OP Reset 155
- LCD Contrast Buffer 156
- 8M/16M Flash ROM 159
- USB2.0 DEV1 160
- To Modem PWB 163
- (To Analog Tonner Sensor) 166
- 4. OPERATION PWB (AL-2050CS) 167
- To MCU PWB 169
- To Drum Initial Detector 169
- To FAX Key PWB 169
- LEAD-FREE SOLDER 170
- CAUTION FOR BATTERY DISPOSAL 171
- Trademark acknowledgements 172
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