Fuji Xerox DocuCentre SC2020 Service Manual

05/2014
4-1
DC SC2020
Disassembly/Assembly and Adjustment
Version 1.1
4 Disassembly/Assembly and Adjustment
4.1 Introduction
4.1 Introduction................................................................................ 3
4.2 Disassembly/Assembly
1. IIT/UI
REP 1.1.1 (SCC) Control Panel ......................................................5
REP 1.2.1 (SCC) IIT Top Cover ......................................................5
REP 1.3.1 CIS Sensor Assembly....................................................6
REP 1.3.2 CIS Sensor Assembly Belt.............................................7
REP 1.4.1 (SCC) IIT Scan Motor ....................................................7
2. LPH
REP 2.1.1 FFC Cable (Y, M, C, K)..................................................9
REP 2.1.2 LPH (Y, M, C, K) ..........................................................12
3. Drive
REP 3.1.1 (SCC) Drive Assembly.................................................15
4. NOHAD
REP 4.1.1 Fusing Exhaust Fan.....................................................17
REP 4.1.2 Fusing Duct..................................................................17
5. Development
REP 5.1.1 Deve Unit .....................................................................19
REP 5.1.2 Dispenser Drive (YM)...................................................20
REP 5.1.3 Dispenser Drive (CK)...................................................20
REP 5.1.4 Dispenser (Y,M,C,K)....................................................21
REP 5.4.1 Deve Assembly............................................................22
REP 5.5.1 Deve Gear....................................................................26
6. Transfer
REP 6.1.1 IBT Belt Unit.................................................................29
REP 6.1.2 2nd BTR Roll................................................................30
REP 6.1.3 MOB ADC Assembly....................................................30
REP 6.2.1 Belt Cleaner Blade.......................................................31
REP 6.3.1 IBT Belt ........................................................................33
7. Fusing Unit
REP 7.1.1 (SCC) Fusing Unit........................................................37
8. Xerographic
REP 8.1.1 Xero Unit......................................................................39
REP 8.3.1 Drum ............................................................................39
REP 8.3.2 Drum Blade..................................................................41
REP 8.3.3 Bias Charge Roll..........................................................44
9. Feeder,Tray (Tray 1)
REP 9.1.1 (SCC) Tray 1 Size Sensor ...........................................47
REP 9.2.1 Tray 1 Feed Roll and Tray 1 Retard Pad .....................47
10. One Tray Module (Tray 2)
REP 10.1.1 (SCC) Tray 2 Feeder..................................................49
REP 10.3.1 Tray 2 Feed/Nudger Roll and Retard Pad..................50
REP 10.3.2 Retard Spring .............................................................51
REP 10.6.1 (SCC) STM PWB .......................................................53
REP 10.6.2 (SCC) STM Takeaway Motor .....................................54
13. MSI
REP 13.1.1 MSI.............................................................................55
REP 13.3.1 MSI Nudger/Feed Roll................................................56
REP 13.3.2 MSI Retard Pad..........................................................58
14. L/H Cover
REP 14.1.1 L/H Cover...................................................................59
15. Registration
REP 15.1.1 Registration Chute .....................................................61
REP 15.1.2 Registration Roll.........................................................62
17. Exit
REP 17.1.1 Exit Roll......................................................................65
18. Electrical
REP 18.1.1 (SCC) HVPS ..............................................................67
REP 18.2.1 (SCC) Drive PWB.......................................................67
REP 18.2.2 (SCC) ESS PWB........................................................68
REP 18.3.1 LVPS..........................................................................70
19. Cover
REP 19.1.1 Front Cover ................................................................71
REP 19.1.2 Inner Cover ................................................................71
REP 19.1.3 Right Cover ................................................................72
REP 19.1.4 Top Cover ..................................................................73
REP 19.1.5 Rear Cover.................................................................74
56. DADF
REP 56.1.1 DADF .........................................................................75
REP 56.1.2 DADF Platen Cushion ................................................75
REP 56.2.1 DADF Front Cover .....................................................76
REP 56.2.2 DADF Rear Cover ......................................................76
REP 56.2.3 (SCC) DADF PWB .....................................................77
REP 56.2.4 Upper Feeder .............................................................78
REP 56.2.5 (SCC) DADF Feeder Assembly..................................79
REP 56.3.1 (SCC) Left Counter Balance ......................................80
REP 56.3.2 (SCC) Right Counter Balance ....................................80
REP 56.5.1 DADF Feed/Nudger Roll ............................................81
REP 56.6.1 Harness Guide and Wire Harness............................. 82
REP 56.6.2 DADF Feed Motor ..................................................... 83
REP 56.7.1 DADF Drive Belt ........................................................ 84
REP 56.9.1 (SCC) Document Tray............................................... 85
REP 56.9.2 Retard Chute ............................................................. 86
REP 56.9.3 Invert Chute............................................................... 87
REP 56.10.1 DADF Takeaway Roll .............................................. 87
REP 56.10.2 Sensor Bracket........................................................ 89
REP 56.13.1 DADF Retard Pad.................................................... 91
99. (SCC) Safety Critical Components
REP 99.1.1 (SCC) Safety Critical Components............................ 93
4.3 Adjustment
1. IIT/UI
ADJ 1.3.1 IIT Lead Edge Registration .......................................... 95
ADJ 1.3.2 IIT Side Registration..................................................... 95
ADJ 1.3.3 IIT Vertical Reduce/Enlarge ......................................... 96
8. Xero./Deve.
ADJ 8.1.1 MAX Setup................................................................... 97
ADJ 8.1.2 DC940: PROCON ON Print ......................................... 97
ADJ 8.1.3 DC940: PROCON OFF Print........................................ 98
ADJ 8.1.4 DC991: Manual ToneUp/Down (Manual Toner Concentra-
tion Adjustment)............................................................................. 98
ADJ 8.1.5 ProCon/RegCon Print .................................................. 99
ADJ 8.1.6 Test Pattern Print ....................................................... 100
ADJ 8.1.7 Procon MiniSetup execution in Key Op Mode............ 101
ADJ 8.1.8 Calibration.................................................................. 101
18. Electrical
ADJ 18.1.1 IOT Lead Edge/Side Edge Registration................... 103
ADJ 18.1.2 Adjusting the Erase Amount..................................... 104
ADJ 18.2.1 Things to take note when replacing Important Information
Stored Components (ISC)............................................................ 104
ADJ 18.2.2 Firmware Version Upgrade ...................................... 104
56. DADF
ADJ 56.1.1 DADF Lead-Skew Adjustment ................................. 107
ADJ 56.1.2 DADF Side Registration........................................... 108
ADJ 56.1.3 DADF Lead Edge Registration................................. 109

Fuji Xerox DocuCentre SC2020 Specifications

General

Brand	Fuji Xerox
Model	DocuCentre SC2020
Category	All in One Printer
Language	English