Sharp MX-4101N

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MX-5001N SCANNER SECTION E – 5

(5) Document detection light emitting PWB

1) Remove the upper cabinet rear.

2) Remove the screw, and remove the light emitting unit.

3) Remove the document detection light emitting PWB.

Main Page

NOTE FOR SERVICING3
- 1. Precautions for servicing3
- 2. Warning for servicing3
- 3. Note for installing site3
PRODUCT OUTLINE5
- 1. Article constitution (Main unit and option)5
- 2. Mainfunction of the main unit6
- 3. Combination of options6
SPECIFICATIONS7
- 1. Basic specifications7
CONSUMABLE PARTS16
- 1. Supply system table16
- 2. Recommended color paper17
- 3. Maintenance parts list18
- 4. Definition the developer/drum life end21
  - A. 41-sheet machine21
  - B. 50-sheet machine21
- 5. Production number identification22
EXTERNAL VIEW AND INTERNAL STRUCTURE23
- 1. Identification of each section and functions23
ADJUSTMENTS43
- 1. General43
- 2. Adjustment item list43
- 3. Details of adjustment45
SIMULATION148
- 1. General (Including basic operations)148
  - A. Basic operation148
- 2. List of simulation codes150
- 3. Details of simulation155
SELF DIAG AND TROUBLE CODE287
- 1. Self diag287
- 2. Trouble code list290
- 3. Details of trouble code293
MAINTENANCE316
- 1. Maintenance list316
- 2. Details319
- 3. Maintenance and disassembly363
  - A. Maintenance timing display363
FIRMWARE UPDATE364
- 1. Outline364
- 2. Update procedure364
ELECTRICAL SECTION368
- 1. Block diagram368
- 2. Actual wiring chart382
- 3. Signal list408
OTHERS413
- 1. System settings413
  - A. Login method413
  - B. System setting list413
- 2. Paper JAM code417
  - A. PCU JAM cause417
  - B. SCU JAM cause418
- 3. MFP substrate replacement procedure (work flow)419
EXTERNAL VIEW420
- 1. Disassembly and assembly420
  - A. Cabinet420
OPERATION PANEL423
- 1. Electrical and mechanical relation diagram423
  - A. 8.5 inch operation panel423
- 2. Operational descriptions424
  - A. Outline424
- 3. Disassembly and assembly424
  - A. 8.5 inch operation panel unit424
DSPF SECTION427
- 1. Electrical and mechanical relation diagram427
- 2. Operational descriptions430
  - A. Document size detection430
  - B. Timing chart430
- 3. Disassembly and assembly431
RSPF SECTION439
- 1. Electrical and mechanical relation diagram439
- 2. Operational descriptions440
- 3. Disassembly and assembly446
SCANNER SECTION451
- 1. Electrical and mechanical relation diagram451
- 2. Operational descriptions452
  - A. Outline452
  - B. Detail description452
- 3. Disassembly and assembly453
  - A. Scanner unit453
PAPER FEED SECTION456
- 1. Electrical and mechanical relation diagram456
  - A. Manual paper feed section456
  - B. Tray paper feed section458
- 2. Operational descriptions459
  - A. Bypass459
  - B. Tray paper feed459
- 3. Disassembly and assembly460
PAPER TRANSPORT SECTION465
- 1. Electrical and mechanical relation diagram465
- 2. Operational descriptions466
- 3. Disassembly and assembly466
  - A. Resist roller unit466
LSU SECTION467
- 1. Electrical and mechanical relation diagram467
- 2. Operational descriptions468
- 3. Disassembly and assembly469
  - A. LSU469
  - B. Others471
PHOTOCONDUCTOR SECTION472
- 1. Electrical and mechanical relation diagram472
  - A. 41-sheet machine472
  - B. 50-sheet machine474
- 2. Operational descriptions475
- 3. Disassembly and assembly476
  - A. Drum unit476
  - B. Others477
TONER SUPPLY SECTION478
- 1. Electrical and mechanical relation diagram478
- 2. Operational descriptions479
- 3. Disassembly and assembly479
  - A. Toner cartridges479
DEVELOPING SECTION480
- 1. Electrical and mechanical relation diagram480
- 2. Operational descriptions481
- 3. Disassembly and assembly481
  - A. Development unit481
TRANSFER SECTION483
- 1. Electrical and mechanical relation diagram483
  - A. Transfer section483
  - B. Pro-reg sensor section484
- 2. Operational descriptions485
  - A. Transfer485
  - B. Image density detection and resist detection486
- 3. Disassembly and assembly486
FUSER SECTION488
- 1. Electrical and mechanical relation diagram488
- 2. Operational descriptions489
- 3. Disassembly and assembly490
  - A. Fusing unit490
  - B. Others493
DUPLEX/PAPER EXIT SECTION494
- 1. Electrical and mechanical relation diagram494
  - A. Duplex section494
  - B. Paper exit section496
- 2. Operational descriptions497
  - A. Duplex497
  - B. Paper exit497
- 3. Disassembly and assembly497
  - A. Duplex unit497
  - B. Paper exit unit499
DRIVE SECTION501
- 1. Disassembly and assembly501
  - A. Main drive unit501
  - B. Paper feed drive unit504
PWB SECTION507
- 1. Disassembly and assembly507
FAN SECTION514
- 1. Disassembly and assembly514
  - A. Fan motor514
SENSOR/SWITCH SECTION517
- 1. Disassembly and assembly517
  - A. Sensor/Switch517

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