Service Manual and Parts List Manual Xerox Fuji DocuCentre SC2020
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Xerox Fuji.
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Table of contents:

INTRODUCTION
0.1 Getting to know this Service Manual
0.2 How to use the Service Manual
0.3 Description for Terminology And Symbols

Chapter 1. Service Call Procedure
1.1 Before Starting the Servicing
1.2 Service Call Procedure
1.3 Detailed Contents of the Service Call
1.4 TRIM Check List
1.5 Periodic Replacement Parts/Consumables List

Chapter 2. Troubleshooting

Chapter 3. Image Quality Troubleshooting
3.1 Introduction
3.1.1 Contents of Chapter 3
3.1.2 Test Pattern
3.1.3 Image Quality Specification
3.1.4 Image Quality Troubleshooting
3.2 Image Quality Troubleshooting
3.2.1 How to use the image quality troubleshooting (IOT/IIT/DADF)
How to use the image quality troubleshooting (IOT/IIT/DADF)
IQ-1 LPH Cycle Line
IQ-2 Reverse DarkLines
IQ-3 Caterpillar Mark (Transfer)
IQ-4 Scalelike Defect (Transfer)
IQ-5 Heavyweight paper image bleeding
IQ-6 Color Line (Electrostatic Memory) of Photo Receptor Pitch (94mm)
IQ-7 BCR pitch (37mm) density unevenness
IQ-8 DarkLines (Full speed/Half speed)
IQ-9 Toner color line
IQ-10 Thin Line Interruption
IQ-11 Moire
IQ-21 Diagonal Line Fluctuation
IQ-22 Fogging around high density patch part
IQ-23 Vertical line due to lack of pixels between CIS chips
IQ-24 Image quality difference during PLT/DADF read
IQ-25 The output image gets blurred with Book document or three-dimensional object
IQ-26 Rear edge image blurring during DADF heavyweight paper delivery
3.2.2 How to use the image quality troubleshooting (IPS)
How to use the image quality troubleshooting (IPS)
CQ-01 Ground color removal adjustment
CQ-02 Density adjustment Darken the highlight
CQ-03 Density adjustment Lighten
CQ-04 Tone jump of 100 line image document
CQ-05 Scan letter corruption, mosquito noise surrounding the letter
CQ-06 Duplex document off-set
CQ-07 Fogging platen back
CQ-08 Color balance adjustment (Only K color for black&white IOT machine)
CQ-09 Thin line roughness
3.2.3 Fusing Unit Paper wrinkle Alignment adjustment
3.2.4 Cycle Table
3.2.5 Image Quality Limit Precaution

Chapter 4. Disassembly/Assembly and Adjustment
4.1 Introduction
4.1 Introduction
4.2 Disassembly/Assembly
1. IIT/UI
REP 1.1.1 (SCC) Control Panel
REP 1.2.1 (SCC) IIT Top Cover
REP 1.3.1 CIS Sensor Assembly
REP 1.3.2 CIS Sensor Assembly Belt
REP 1.4.1 (SCC) IIT Scan Motor
2. LPH
REP 2.1.1 FFC Cable (Y, M, C, K)
REP 2.1.2 LPH (Y, M, C, K)
3. Drive
REP 3.1.1 (SCC) Drive Assembly
4. NOHAD
REP 4.1.1 Fusing Exhaust Fan
REP 4.1.2 Fusing Duct
5. Development
REP 5.1.1 Deve Unit
REP 5.1.2 Dispenser Drive (YM)
REP 5.1.3 Dispenser Drive (CK)
REP 5.1.4 Dispenser (Y,M,C,K)
REP 5.4.1 Deve Assembly
REP 5.5.1 Deve Gear
6. Transfer
REP 6.1.1 IBT Belt Unit
REP 6.1.2 2nd BTR Roll
REP 6.1.3 MOB ADC Assembly
REP 6.2.1 Belt Cleaner Blade
REP 6.3.1 IBT Belt
7. Fusing Unit
REP 7.1.1 (SCC) Fusing Unit
8. Xerographic
REP 8.1.1 Xero Unit
REP 8.3.1 Drum
REP 8.3.2 Drum Blade
REP 8.3.3 Bias Charge Roll
9. Feeder,Tray (Tray 1)
REP 9.1.1 (SCC) Tray 1 Size Sensor
REP 9.2.1 Tray 1 Feed Roll and Tray 1 Retard Pad
10. One Tray Module (Tray 2)
REP 10.1.1 (SCC) Tray 2 Feeder
REP 10.3.1 Tray 2 Feed/Nudger Roll and Retard Pad
REP 10.3.2 Retard Spring
REP 10.6.1 (SCC) STM PWB
REP 10.6.2 (SCC) STM Takeaway Motor
13. MSI
REP 13.1.1 MSI
REP 13.3.1 MSI Nudger/Feed Roll
REP 13.3.2 MSI Retard Pad
14. L/H Cover
REP 14.1.1 L/H Cover
15. Registration
REP 15.1.1 Registration Chute
REP 15.1.2 Registration Roll
17. Exit
REP 17.1.1 Exit Roll
18. Electrical
REP 18.1.1 (SCC) HVPS
REP 18.2.1 (SCC) Drive PWB
REP 18.2.2 (SCC) ESS PWB
REP 18.3.1 LVPS
19. Cover
REP 19.1.1 Front Cover
REP 19.1.2 Inner Cover
REP 19.1.3 Right Cover
REP 19.1.4 Top Cover
REP 19.1.5 Rear Cover
56. DADF
REP 56.1.1 DADF
REP 56.1.2 DADF Platen Cushion
REP 56.2.1 DADF Front Cover
REP 56.2.2 DADF Rear Cover
REP 56.2.3 (SCC) DADF PWB
REP 56.2.4 Upper Feeder
REP 56.2.5 (SCC) DADF Feeder Assembly
REP 56.3.1 (SCC) Left Counter Balance
REP 56.3.2 (SCC) Right Counter Balance
REP 56.5.1 DADF Feed/Nudger Roll
REP 56.6.1 Harness Guide and Wire Harness
REP 56.6.2 DADF Feed Motor
REP 56.7.1 DADF Drive Belt
REP 56.9.1 (SCC) Document Tray
REP 56.9.2 Retard Chute
REP 56.9.3 Invert Chute
REP 56.10.1 DADF Takeaway Roll
REP 56.10.2 Sensor Bracket
REP 56.13.1 DADF Retard Pad
99. (SCC) Safety Critical Components
REP 99.1.1 (SCC) Safety Critical Components
4.3 Adjustment
1. IIT/UI
ADJ 1.3.1 IIT Lead Edge Registration
ADJ 1.3.2 IIT Side Registration
ADJ 1.3.3 IIT Vertical Reduce/Enlarge
8. Xero./Deve.
ADJ 8.1.1 MAX Setup
ADJ 8.1.2 DC940: PROCON ON Print
ADJ 8.1.3 DC940: PROCON OFF Print
ADJ 8.1.4 DC991: Manual ToneUp/Down (Manual Toner Concentration
Adjustment)
ADJ 8.1.5 ProCon/RegCon Print
ADJ 8.1.6 Test Pattern Print
ADJ 8.1.7 Procon MiniSetup execution in Key Op Mode
ADJ 8.1.8 Calibration
18. Electrical
ADJ 18.1.1 IOT Lead Edge/Side Edge Registration
ADJ 18.1.2 Adjusting the Erase Amount
ADJ 18.2.1 Things to take note when replacing Important Information
Stored Components (ISC)
ADJ 18.2.2 Firmware Version Upgrade
56. DADF
ADJ 56.1.1 DADF Lead-Skew Adjustment
ADJ 56.1.2 DADF Side Registration
ADJ 56.1.3 DADF Lead Edge Registration

Chapter 5. Parts List
5.1 Introduction
5.1.1 How to Use the Parts List
5.1.2 Precautions
5.1.3 Plate Composition
5.1.4 Terminology and Symbols
5.1.5 Using Parts Navigation
5.2 Parts List
1. IIT/UI
PL 1.1 Platen Cover
PL 1.2 IIT Top Cover (with Platen Glass),IIT Front Cover
PL 1.3 IIT Base Frame Component
PL 1.4 IIT Scan Motor
PL 1.5 IIT Top Cover Component
2. ROS
PL 2.1 LPH
3. Drive
PL 3.1 Drive Assembly
PL 3.2 Drive Component
PL 3.3 PH Drive Component
PL 3.4 Motor Drive Component
4. NOHAD
PL 4.1 NOHAD
5. Deve.
PL 5.1 Dispenser,Deve Unit
PL 5.2 Dispenser Component
PL 5.3 Dispenser Drive Component
PL 5.4 Deve Unit Component
PL 5.5 Deve Assembly Component
6. Transfer
PL 6.1 IBT Belt Unit,2nd BTR Roll,MOB ADC Assembly
PL 6.2 IBT Belt Unit Component
PL 6.3 IBT Belt Assembly Component
7. Fusing Unit
PL 7.1 Fusing Unit
8. Xero.
PL 8.1 Marking Guide,Xero Unit
PL 8.2 Marking Guide Component
PL 8.3 Xero Unit Component
9. Feeder;Tray (Tray 1)
PL 9.1 Tray 1
PL 9.2 Tray 1 Component
10. One Tray Module (Tray 2)
PL 10.1 Tray 2 ,Feeder
PL 10.2 Tray 2 Component
PL 10.3 Tray 2 Feeder
PL 10.4 Left Cover
PL 10.5 Takeaway Roll
PL 10.6 Electrical
PL 10.7 Cover
PL 10.8 Frame
13. MSI
PL 13.1 MSI
PL 13.2 MSI Component
PL 13.3 MSI Lower Feeder
14. L/H Cover
PL 14.1 Simplex/Duplex L/H Cover
PL 14.2 Simplex L/H Cover
PL 14.3 Simplex L/H Cover Component
PL 14.4 Simplex Chute Component
PL 14.5 Duplex L/H Cover
PL 14.6 Duplex L/H Cover Component
PL 14.7 Duplex Chute Component
15. Registration
PL 15.1 Registration
17. Exit
PL 17.1 Simplex/Duplex Exit
18. Electrical
PL 18.1 Electrical-Front,Right
PL 18.2 Electrical-Upper Rear
PL 18.3 Electrical-Lower Rear
PL 18.4 Wire Harness
PL 18.5 Fax
19. Cover
PL 19.1 Cover
56. DADF
PL 56.1 DADF Accessory
PL 56.2 DADF Component
PL 56.3 DADF Base Frame
PL 56.4 Upper Feeder
PL 56.5 Feed Roll Nudger Roll Assembly
PL 56.6 DADF Feed Motor,Harness Guide
PL 56.7 DADF Feeder Rear Frame
PL 56.8 DADF Feeder Front Frame
PL 56.9 DADF Tray,Chute
PL 56.10 DADF Roll,Sensor Bracket
PL 56.11 Document Tray
PL 56.12 Invert Chute
PL 56.13 Retard Chute
PL 56.14 Sensor Bracket
98. Screws
98.1 Screws
99. Adjustment/Consumables Area Code List
99.1 Paper
99.2 Environment
99.3 Consumables
99.4 Electrical Adjustment
99.5 Mechanical Adjustment
99.6 Originals
99.7 Accessories Related
99.8 DMP/Network Functions Related
5.3 Parts Navigation
Navi 1.1 Processor + Option
Navi 2.1 IOT 1of2
Navi 2.2 IOT 2of2
Navi 2.3 DADF
Navi 2.4 One Tray Module

Chapter 6. General
6.1 Specifications
6.1.1 Product Name/Product Code/Serial No
6.1.2 Configuration
6.1.3 Operating Modes
6.1.4 Machine Sizes and Basis Weights
6.1.5 Installation Space
6.1.6 Levelness
6.1.7 Operating Air Pressure
6.1.8 Electrical Specification
6.1.9 Noise
6.1.10 Installation Environment
6.1.11 Warm Up Time
6.1.12 FCOT
6.1.13 Print Speed
6.1.14 Tray (Paper Feed)
6.1.15 Tray Size Factory Settings
6.1.16 Classifications and Functions
6.1.17 Auto 2 Sided Printing
6.1.18 Output Function
6.1.19 Resolution/Gradation
6.1.20 Image Loss
6.1.21 Print Area
6.1.22 Alignment Specification
6.1.23 I/F specification
6.1.24 Print Feature
6.1.25 Scan Feature Specifications
6.1.26 Fax functions
6.1.27 Document Feeder (DADF)
6.1.28 Duplex Kit
6.1.29 One Tray Module (Optional)
6.1.30 Billing Counter
6.2 Tools/Service Consumables/Consumables
6.2.1 Tools and Service Consumables
6.2.2 Consumables
6.3.3 NVM DADF
6.3.3 NVM DADF
6.3.4 NVM IIT
6.3.4 NVM IIT
6.3.5 NVM 740_IOT Manager List
6.3.5 NVM 740_IOT Manager List
6.3.6 NVM 742_Paper Handling List
6.3.6 NVM 742_Paper Handling List
6.3.7 NVM 744_Fusing Unit List
6.3.7 NVM 744_Fusing Unit List
6.3.8 NVM 746_Xfer 1 List
6.3.8 NVM 746_Xfer 1 List
6.3.9 NVM 747_Xfer 2 List
6.3.9 NVM 747_Xfer 2 List
6.3.10 NVM 749_LPH List
6.3.10 NVM 749_LPH List
6.3.11 NVM 750_Xero/Clean 1 List
6.3.11 NVM 750_Xero/Clean 1 List
6.3.12 NVM 751_Xero/Clean 2 List
6.3.12 NVM 751_Xero/Clean 2 List
6.3.13 NVM 752_Process Control 1 List
6.3.13 NVM 752_Process Control 1 List
6.3.14 NVM 753_Process Control 2 List
6.3.14 NVM 753_Process Control 2 List
6.3.15 NVM 755_Process Control 4 List
6.3.15 NVM 755_Process Control 4 List
6.3.16 NVM 759_Registration Control 1 List
6.3.16 NVM 759_Registration Control 1 List
6.3.17 NVM 760_Registration Control 2 List
6.3.17 NVM 760_Registration Control 2 List
6.3.18 NVM 761_Deve 1 List
6.3.18 NVM 761_Deve 1 List
6.3.19 NVM 762_Deve 2 List
6.3.19 NVM 762_Deve 2 List
6.3.20 NVM 767_Marking System 1 List
6.3.20 NVM 767_Marking System 1 List
6.3.21 NVM 980_Marking System 2 List
6.3.21 NVM 980_Marking System 2 List
6.3.22 System_Data (FAX Service)
6.3.22 System Data (FAX Service)
6.4 CE Mode
6.4.1 CE Mode Overview
6.4.2 How To Enter the CE Mode
6.4.3 Overview of the CE Mode Operation
6.4.4 How to Exit the CE Mode
6.4.5 Menu Tree
6.4.6 CE Mode Functions Overview
6.4.7 ESS Diag
6.4.7.1 All Test
6.4.7.2 Flash ROM Test
6.4.7.3 EEPROM Test
6.4.7.4 DRAM Test
6.4.7.5 MAC+PHY Test
6.4.7.6 ASIC Test
6.4.7.7 IOT Test
6.4.7.8 RTC Test
6.4.8 IOT Diag
6.4.8.1 Digital Input
6.4.8.2 Digital Output
6.4.8.3 Analog Input
6.4.8.4 NVM Setting
6.4.8.5 Clear IOT NVM
6.4.9 Print Info
6.4.9.1 Print Printer Configuration Data Config Page
6.4.9.2 Print Settings (Print Printer Settings Data)
6.4.10 Installation Settings
6.4.11 Test Print
6.4.11.1 Printing function test operation procedure
6.4.11.2 TotalChart ESS
6.4.11.3 HT Cyan ESS
6.4.11.4 HT Magenta ESS
6.4.11.5 HT Yellow ESS
6.4.11.6 HT Black ESS
6.4.11.7 HT CMY ESS
6.4.11.8 HT CMYK ESS
6.4.11.9 HT Red ESS
6.4.11.10 HT Green ESS
6.4.11.11 HT Blue ESS
6.4.11.12 Grid2 ESS
6.4.11.13 Gradation ESS
6.4.11.14 No Image IOT
6.4.11.15 Procon OFF ESS
6.4.11.16 Procon ON ESS
6.4.11.17 LPH Chart LM1
6.4.11.18 LPH Chart IBY
6.4.11.19 ToneUp [C] 5P
6.4.11.20 ToneUp [M] 5P
6.4.11.21 ToneUp [Y] 5P
6.4.11.22 ToneUp [K] 5P
6.4.11.23 ToneDown [C] 10P
6.4.11.24 ToneDown [M] 10P
6.4.11.25 ToneDown [Y] 10P
6.4.11.26 ToneDown [K] 10P
6.4.11.27 Calibration Chart
6.4.12 Parameter
6.4.12.1 Initialization (Life) and the display of life counter
6.4.12.2 Life Print
6.4.12.3 Procon Print
6.4.13 RTC Set
6.4.14 Board Test
6.4.14.1 All Test
6.4.14.2 Fax Memory Test
6.4.14.3 I/F Test
6.4.14.4 Fx Chip Test
6.4.14.5 Relay/Signal Test
6.4.15 Information
6.4.15.1 Scan Counter
6.4.16 Scanner Maintenance
6.4.16.1 Scan Counter Clear
6.4.16.2 Auto Shading
6.4.16.3 CVT Auto Shading (Color)
6.4.16.4 CVT Auto Shading (Gray)
6.4.16.5 LED Caliblation
6.4.16.6 Component Check (IIT)
6.4.16.7 DADF Component Check
6.4.16.8 DADF Size Detect Auto Adj
6.4.17 Parameter (System Data Setting)
6.4.18 Backup Data
6.5 Panel Diag
6.5.1 Diagnosis Function Overview
6.5.2 Switch to Panel Diag Mode
6.5.3 Panel Diag Menu
6.5.4 Memory Test
6.5.5 Hardware Key Test
6.5.6 Adjust Touch Screen Test
6.5.7 Touch Screen Test
6.5.8 LED Test
6.5.9 Buzzer Test
6.5.10 Brightness Test
6.5.11 Display Test
6.5.12 Adjust Sense of Touch
6.6 Fax Related Information
6.6.1 Activity Report (User Mode)
6.6.2 Activity Report (CE Mode)
6.6.3 Protocol Monitor
6.6.4 Protocol Trace
6.6.4.1 Protocol Trace
6.6.4.2 FCF/FIF Description
6.6.4.3 Bit 7 Description
6.6.4.4 Bit 6 Description
6.6.4.5 Bit 16 Description
6.6.4.6 Bit 15 Description
6.6.4.7 Bit 14~11 Description
6.6.4.8 Bit 10 Description
6.6.4.9 Bit 9 Description
6.6.4.10 Bit 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112 Description
6.6.4.11 Bit 21~23 Description
6.6.4.12 Bit 19, 20 Description
6.6.4.13 Bit 17, 18 Description
6.6.4.14 Bit 31 Description
6.6.4.15 Bit 28 Description
6.6.4.16 Bit 27 Description
6.6.4.17 Bit 26 Description
6.6.4.18 Bit 25 Description
6.6.4.19 Bit 1, 3, 33~38, 47, 49~51, 53~55, 57, 59, 60, 62, 65~71, 73~75, 81~84, 87, 92~95, 97~99, 101,
102 Description
6.6.4.20 Bit 46 Description
6.6.4.21 Bit 45 Description
6.6.4.22 Bit 44 Description
6.6.4.23 Bit 43 Description
6.6.4.24 Bit 42 Description
6.6.4.25 Bit 41 Description
6.6.4.26 Bit 79 Description
6.6.4.27 Bit 78 Description
6.6.4.28 Bit 77 Description
6.6.4.29 Bit 76 Description
6.6.4.30 Bit 105~109 Description
6.6.5 Super G3 Fax
6.6.5.1 Super G3 Fax
6.6.5.2 V.8 CM/JM Signal
6.6.5.3 V.8 Operation / Auto Send
6.6.5.4 V.8 Operation/Manual Send
6.6.5.5 Troubleshooting of Super G3 Fax

Chapter 7. Wiring Data
7.1 Plug/Jack Location List
7.1.1 Plug/Jack Location List
7.1.2 Plug/Jack Location

Chapter 9. Installation/Removal
9.1 Installation
9.1.1 Installation of Main Unit
9.1.2 DADF
9.1.3 Duplex
9.1.4 One Tray Module
9.1.5 Fax Kit
9.1.6 Tray Lock Kit
9.1.7 Odor Filter Kit
9.2 Removal
9.2 Removal

Xeroxdocucentresc2020 Docu CentreS2020 Centre Centre-S2020 s2020 DC-S2020 dc-sc2020 DCS2020 Docu centre s2020 d-sc2020

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