Xerox WorkCentre 5021 Service Documentation

08/2012
4-1
WorkCentre 5021/5019
Repairs and Adjustments
Initial Issue
4 Repairs and Adjustments
4.1 Introduction
4.1 Introduction .............................................................................................................. 4-3
1. IIT/UI
REP 1.2.1 IIT Top Cover................................................................................................ 4-5
REP 1.3.1 IIT Carriage................................................................................................... 4-5
REP 1.3.2 IIT Carriage Belt............................................................................................ 4-7
REP 1.4.1 Carriage Motor.............................................................................................. 4-8
REP 1.5.1 LED Lamp PWB............................................................................................ 4-10
REP 1.6.1 LCD Display.................................................................................................. 4-12
2. ROS
REP 2.1.1 ROS Assembly ............................................................................................. 4-15
3. Drive
REP 3.1.1 Main Drive Motor .......................................................................................... 4-17
REP 3.1.2 Main Drive Housing ...................................................................................... 4-17
4. NOHAD
REP 4.1.1 NOHAD Fan.................................................................................................. 4-19
6. Transfer
REP 6.1.1 BTR Roll ....................................................................................................... 4-21
7. Fusing Unit
REP 7.1.1 Fusing Unit.................................................................................................... 4-23
8. Xero./Deve.
REP 8.1.1 Drum Cartridge ............................................................................................. 4-25
REP 8.2.1 Cartridge Guide ............................................................................................ 4-26
REP 8.2.2 Dispense Drive ............................................................................................. 4-27
9. Feeder,Tray (Tray 1)
REP 9.1.1 Tray 1 Feed Clutch ....................................................................................... 4-29
REP 9.1.2 Tray 1............................................................................................................ 4-30
REP 9.2.1 Tray 1 Feed Roll and Tray 1 Retard Pad...................................................... 4-31
10. One Tray Module (Tray 2)
REP 10.1.1 Tray 2 Feeder ............................................................................................. 4-33
REP 10.3.1 Tray 2 Feed/Retard/Nudger Roll................................................................. 4-34
REP 10.6.1 STM PWB................................................................................................... 4-35
REP 10.6.2 STM Takeaway Motor................................................................................. 4-36
13. MSI
REP 13.1.1 MSI ............................................................................................................. 4-37
REP 13.3.1 MSI Nudger/Feed Roll ................................................................................ 4-38
REP 13.3.2 MSI Retard Pad .......................................................................................... 4-41
14. L/H Cover
REP 14.1.1 L/H Cover.................................................................................................... 4-43
15. Registration
REP 15.1.1 Registration Chute...................................................................................... 4-45
REP 15.1.2 Registration Roll.......................................................................................... 4-47
17. Exit
REP 17.1.1 Exit Cover ................................................................................................... 4-49
REP 17.1.2 Exit Roll....................................................................................................... 4-50
18. Electrical
REP 18.1.1 ESS/MCU PWB .......................................................................................... 4-51
REP 18.1.2 HVPS.......................................................................................................... 4-52
REP 18.1.3 LVPS........................................................................................................... 4-53
19. Cover
REP 19.1.1 Front Cover................................................................................................. 4-55
REP 19.1.2 Top Cover................................................................................................... 4-56
REP 19.2.1 Rear Cover.................................................................................................. 4-58
56. DADF
REP 56.1.1 DADF.......................................................................................................... 4-61
REP 56.1.2 DADF Platen Cushion................................................................................. 4-62
REP 56.2.1 DADF Front Cover...................................................................................... 4-63
REP 56.2.2 DADF Rear Cover....................................................................................... 4-64
REP 56.2.3 DADF PWB................................................................................................. 4-65
REP 56.2.4 Upper Feeder.............................................................................................. 4-66
REP 56.2.5 DADF Feeder Assembly ............................................................................. 4-67
REP 56.3.1 Left Counter Balance ................................................................................... 4-69
REP 56.3.2 Right Counter Balance................................................................................ 4-69
REP 56.5.1 DADF Feed/Nudger Roll............................................................................. 4-70
REP 56.6.1 Harness Guide and Wire Harness .............................................................. 4-72
REP 56.6.2 DADF Feed Motor....................................................................................... 4-74
REP 56.7.1 DADF Drive Belt.......................................................................................... 4-75
REP 56.9.1 Document Tray ........................................................................................... 4-77
REP 56.9.2 Retard Chute............................................................................................... 4-78
REP 56.9.3 Invert Chute ................................................................................................ 4-79
REP 56.10.1 DADF Takeaway Roll................................................................................ 4-80
REP 56.10.2 Sensor Bracket ......................................................................................... 4-83
REP 56.13.1 DADF Retard Pad..................................................................................... 4-86
1. IIT/UI
ADJ 1.3.1 IIT Lead Edge Registration............................................................................ 4-87
ADJ 1.3.2 IIT Side Registration...................................................................................... 4-87
8. Xero./Deve.
ADJ 8.1.1 ATC Sensor Read & Tone Up/Down............................................................. 4-89
18. Electrical
ADJ 18.1.1 IOT Lead Edge/Side Edge Registration ...................................................... 4-91
ADJ 18.1.2 Edge Erase Value Adjustment..................................................................... 4-92

Xerox WorkCentre 5021 Specifications

General

Print Technology	Laser
Print Speed	Up to 20 ppm
Copy Speed	Up to 20 cpm
Copy Resolution	Up to 600 x 600 dpi
Scan Resolution	Up to 600 x 600 dpi
Paper Capacity	250 sheets
Monthly Duty Cycle	Up to 20, 000 pages
Connectivity	USB 2.0
Functions	Print, Copy, Scan
Maximum Paper Size	A3
Duplex Printing	Manual
Memory	128 MB
Fax Transmission Speed	33.6 Kbps (optional)
Operating System Compatibility	Windows, Mac
Print Resolution	600 x 600 dpi