Revised: August 2, 2013.
Service Manual & Parts List Lexmark X746de, X748de, X748dte/7526-576, 776;
This manual, Lexmark X746de, X748de, X748dte/7526-576, 776, is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Lexmark X746de, X748de, X748dte/7526-576, 776 copier.
You can print, zoom or read any diagram, picture or page from this Service Manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Lexmark X746de, X748de, X748dte/7526-576, 776 photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:
Notices and safety information 
Laser notice 
Aviso sobre o laser 
Lithium battery warning 
Safety information
Preface 
Change history 
Conventions
Navigation buttons 
GENERAL INFORMATION 
Models 
Options and features 
Media options 
Memory options 
Printer and scanner specifications 
Dimensions 
Clearances 
Multiple function printer specifications 
Memory 
Resolution 
Data streams 
Environment specifications 
Electrical and power specifications 
Acoustic specifications 
Media specifications 
Input and output capacities 
Input and output sizes and types 
Paper guidelines 
Tools required for service 
Acronyms 
DIAGNOSTIC INFORMATION 
Start 
Operator panel and menus 
Operator panel 
Buttons, icons, and light description 
Understanding the home screen 
Features 
Using the touch-screen buttons 
Administrative Menu 
Power-on self test (POST) sequence 
Symptom tables 
Multiple function printer (MFP) symptom table 
Print quality symptom table 
User status and attendance messages 
Error codes and messages 
Service checks 
31.xx-Cartridge errors service check 
110.xx-Mirror motor service check 
111.xx, 112.xx, 113.xx, and 114.xx-Printhead error service check 
120.xx-Fuser error service check 
140.xx, 920.02-Autocomp (tray 1) motor error service check 
142.xx, 906.01-906.04-Motor (fuser) error service check 
143.xx-Motor (EP drive assembly top cartridge) error service check 
144.xx-Motor (EP drive assembly middle cartridge) error service check 
145.xx-Motor (EP drive assembly bottom cartridge) error service check 
146.xx, 148.xx-Motor (MPF/duplex) error service check 
147.xx, 906.05-906.08, 920.01-Motor (aligner) error service check 
155.xx-Cam motor error service check 
156.xx-COD (Color On Demand) motor error service check 
160.xx, 161.xx-Motor Error (option tray 2) service check 
162.xx, 163.xx-Motor (option tray 3) error service check 
164.xx, 165.xx-Motor Error (option tray 4) service check 
166.xx, 167.xx-Motor Error (option tray 5) service check 
168.xx-Motor (HCIT elevator) error service check 
200.11, 250.03-Paper Jam error service check 
201.06, 201.08, 201.31-Paper Jam error service check 
203.09-Paper Jam error service check 
230.03, 230.05-Paper Jam error service check 
242.02-Paper Jam error service check 
242.03, 242.11-Paper Jam service check 
242.05-Paper Jam service check 
242.10-Paper Jam service check 
242.17-Paper Jam service check 
242.21, 243.21, 244.21. 245.21, 242.30, 243.30, 244.30, 245.30-Paper Jam service check 
242.26-Paper Jam service check 
242.27-Paper Jam service check 
242.29-Paper Jam service check 
242.32, 243.32, 244.32, 245.32-Paper Jam service check 
243.02-Paper Jam service check 
243.03, 243.11-Paper Jam service check 
243.05-Paper Jam service check 
243.10-Paper Jam service check 
243.17-Paper Jam service check 
243.26-Paper Jam service check 
243.27-Paper Jam service check 
243.29-Paper Jam service check 
244.02-Paper Jam service check 
244.03, 244.11-Paper Jam service check 
244.05-Paper Jam service check 
244.10-Paper Jam service check 
244.17-Paper Jam service check 
244.26-Paper Jam service check 
244.27-Paper Jam service check 
244.29-Paper Jam service check 
245.02-Paper Jam service check 
245.03, 245.11-Paper Jam service check 
245.05-Paper Jam service check 
245.10-Paper Jam service check 
245.17-Paper Jam service check 
245.29-Paper Jam service check 
283.03-Scanner ADF pickup/feed jam service check 
290.11-Scanner ADF cover open jam service check 
292.01 Scanner locked error service check 
291.06-Flatbed cover open jam service check 
842.xx-Scanner Failure-Communication failure service check 
843.00-Scanner Failure-Carriage failed to move service check 
843.01, 843.02-Scanner Failure service check 
844.xx-Scanner Error-scan module output level error service check 
845.xx-Scanner Failure service check 
846.xx-Front calibration strip error service check 
Steps before starting the 9yy service checks 
900.00-900.99 (except for 900.05)-System software error service check 
900.05-Transfer module error service check 
902.59-Engine software error, NVRAM MGR problem 
920.03, 920.25-Transfer Module Missing error service check 
920.04-POST-fuser motor not connected error service check 
920.05-POST-printhead motor not connected error service check 
920.06-Input sensor service check 
920.07-POST-Narrow media sensor error service check 
920.08-Exit sensor service check 
920.09-POST-Four toner sensor not connected error service check 
920.10-POST-Three toner sensors not connected error service check 
920.11-POST-Two toner sensors not connected error service check 
920.12-POST-One toner sensor not connected error service check 
920.13-POST error service check 
920.14-POST-Cartridge motor 2 not connected error service check 
920.15, 920.20-POST-Bad transfer module NVRAM data error service check 
920.16-POST-Bad printhead NVRAM data error service check 
920.17-POST error service check 
920.18-POST-Cartridge motor 3 not connected error service check 
920.19-POST-Transfer module stepper motor not connected error service check 
920.21-POST-24 V power supply failure error service check 
920.23-POST error service check 
920.26-POST service check 
920.27, 920.28, 920.29-POST (power on self test) option tray error service check 
920.32-MPF paper present sensor not connected service check 
925.01, 925.03, 925.05-Fan error service check 
925.02, 925.04, 925.06-Blower error service check 
945.xx, 947.xx-Transfer roll error service check 
950.00-950.29-EPROM mismatch failure 
956.xx-System board failure service check 
5 V interlock switch service check 
24 V interlock switch removal 
ADF exit sensor service check 
ADF input sensor service check 
ADF jam sensor service check 
282.01, 284.01, 290.26-ADF cover open service check 
ADF skew sensor service check 
ADF scanning sensor service check 
Bubble sensor service check 
Dead printer service check 
Networking service check 
Operator panel service check 
Stripes display and black display during boot up service check 
Print quality service check 
Tray 1 missing service check 
DIAGNOSTIC AIDS 
Accessing test and diagnostic procedure menus 
Diagnostics menu 
Diagnostics menu structure 
Available tests 
Registration 
Alignment Menu 
Motor tests 
Print Tests 
Hardware Tests 
Duplex Tests 
Sensor Tests 
Printhead Tests 
Device Tests 
Printer Setup 
EP Setup 
Reports 
Event Log 
Scanner Tests 
Scanner Calibration Reset 
Adf Magnification 
EXIT DIAGNOSTICS 
Configuration menu (CONFIG MENU) 
Available tests 
Reset Separator Roll and Pick Assembly Counter 
Reset Fuser Count 
USB Scan to Local 
Black Only Mode 
Color Lock Out 
Prt Quality Pages 
Reports 
Color Trapping 
Tray Insert Msg 
Size Sensing 
Panel Menus 
PPDS Emulation 
Download Emuls 
Factory Defaults 
Energy Conserve 
Fax Low Power Support 
NumPad Job Assist 
Min Copy Memory 
Format Fax Storage 
Fax Storage Location 
ADF Edge Erase 
FB Edge Erase 
Scanner Manual Registration 
Disable Scanner 
Automatic Color Adjust 
Auto Align Adj 
Enforce Color Order 
Color Alignment 
Color Adj State 
Motor Calibration 
Paper Prompts 
Envelope Prompts 
Action for Prompts 
Jobs on Disk 
Disk Encryption 
Wipe Disk 
Wipe All Settings 
Duplex Gloss 
Font Sharpening 
Require Standby 
UI Automation 
LES Applications 
Key Repeat Initial Delay 
Key Repeat Rate 
Clear Custom Status 
Pel Blurring 
USB Speed 
Automatically Display Error Screens 
Exit Config Menu 
Service Engineer (SE) Menu 
Front cover locked in place 
Printhead verification 
Paper Jams 
Error jam locations 
Clearing jams 
Understanding jam messages 
Theory of operation 
Paper path 
Electrophotographic (EP) process 
Electrical interlock 
REPAIR INFORMATION
Safety information 
Data Security Notice 
Handling ESD-sensitive parts 
Handing the photoconductor unit 
Transportation/storage 
Handling 
Parts not to be touched 
Screw and retainer identification table 
Adjustments 
Printhead alignment 
Printer removal procedures 
Precautions to take before maintenance work 
Multifunction printer removals 
Front access cover assembly removal 
Left cover removal 
Left door cover removal 
Operator panel assembly removal 
Operator panel bezel removal 
Operator panel buttons removal 
Operator panel speaker removal 
Output bin extension cover removal 
Rear cover removal 
Rear frame cover removal 
Right cover removal 
Top access cover assembly removal 
Top cover assembly removal 
5 V interlock switch cable removal 
24 V interlock switch removal 
Bin full sensor assembly removal 
Cartridge cooling fan removal 
Cartridge guide wheel removal 
Cartridge motor 1/fuser cable removal 
Cartridge motor 2/3 cable removal 
Color on demand assembly removal 
Contact springs kit removal 
Cooling fan removal 
Cooling fan filter removal 
CPU fan removal 
Duplex reference edge guide assembly removal 
Electrophotographic (EP) drive assembly removal 
Fax modem removal 
Front door assembly removal 
Front door assembly front cable (left) removal 
Front door assembly front cable (right) removal 
Fuser assembly removal 
Fuser AC cable removal 
Fuser DC cable removal 
Hard drive assembly removal 
High-voltage power supply (HVPS) removal 
High-voltage power supply (HVPS) cable removal 
Left bellcrank assembly removal 
Low-voltage power supply (LVPS) removal 
Motor driver cable removal 
Motor driver card removal 
Multipurpose feeder (MPF)/duplex gear and housing removal 
Multipurpose feeder (MPF)/duplex motor assembly removal 
Multipurpose feeder (MPF)/duplex motor cable removal 
Multipurpose feeder (MPF) paper present sensor 
Option cable removal 
Paper pick mechanism assembly removal 
Photoconductor unit removal 
Pick tires removal and replacement 
Printer pad removal 
Printhead removal, installation, and adjustment 
Right bellcrank assembly removal 
System board removal 
System board support shield removal 
Toner level sensor removal 
Top access cover links removal 
Top access cover sensor removal 
Top access cover springs removal 
Top cover camshaft assembly removal 
Transfer module removal 
Transport cable removal 
Transport motor cable removal 
UICC card removal 
UICC cable removal 
USB connector cable removal (front panel) 
Waste toner assembly removal 
Waste toner HV contact assembly removal 
Wireless network antenna removal 
Wireless network card removal 
Scanner flatbed and automatic document feeder (ADF) 
ADF front cover removal 
ADF front side cover removal 
ADF handle cover removal 
ADF motor side cover removal 
ADF upper case cover removal 
Flatbed cave LED card and cover removal 
Flatbed with glass cover removal 
Input tray removal 
Scanner front cover removal 
Scanner left cover removal 
Scanner rear cover removal 
Scanner right cover removal 
ADF removal (entire) 
ADF case assembly removal 
ADF skew sensor card removal 
ADF closed cover flag removal 
ADF exit sensor (with cable) removal 
ADF hinge (left and right) removal 
ADF motor gear train removal 
ADF paper stop removal 
Table of contents ix
ADF pick pad removal 
ADF pick pad spring removal 
ADF pick roller assembly removal 
ADF pressure plate cover removal 
ADF separator pad removal 
Carriage transport belt with clip removal 
ESD brush removal 
Flatbed air filter removal 
Flatbed CCD carrier module removal 
Flatbed cooling fan removal 
Flatbed scanner removal 
Paper present LED card removal 
Scanner ICC card removal 
Scanner ICC cable removal 
Scanner MDC card removal 
High-capacity input tray (HCIT) option removals 
HCIT media tray assembly removal 
HCIT front tray cover removal 
HCIT rear cover removal 
HCIT right cover removal 
HCIT left cover removal 
Feed with bushing roller removal 
HCIT controller board assembly removal 
HCIT drawer slide assembly removal 
HCIT elevator motor with sensor removal 
HCIT pick tires removal 
HCIT slide assembly with spring removal 
Photointerrupter sensor with cable assembly removal 
Top plate assembly removal 
CONNECTOR LOCATIONS 
Locations-printer base 
Connectors 
System board 
Preventive maintenance
Safety inspection guide 
Lubrication specifications 
Maintenance 
Cleaning the scanner glass 
Cleaning the ADF parts 
Cleaning the printhead lenses 
Spare ADF supplies 
PARTS CATALOG 
How to use this parts catalog 
Assembly 1: Covers-printer 
Assembly 2: Front 
Assembly 3: Right 
Assembly 4: Rear 
Assembly 5: Left 
Assembly 6: Top
Assembly 7: Cable parts packet 
Assembly 8: Covers-scanner 
Assembly 9: Automatic document feeder (ADF) 
Assembly 10: Flatbed scanner 
Assembly 11: Optional 550-sheet media drawer and tray 
Assembly 12: Optional special media tray assembly 
Assembly 13: Optional high-capacity input option (HCIT) 
Assembly 14: Options and features
INDEX
Part number index
Number of pages: 630.
             
            
            
                Revised: August 2, 2013.
Service Manual & Parts List Lexmark X746de, X748de, X748dte/7526-576, 776;
This manual, Lexmark X746de, X748de, X748dte/7526-576, 776, is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Lexmark X746de, X748de, X748dte/7526-576, 776 copier.
You can print, zoom or read any diagram, picture or page from this Service Manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Lexmark X746de, X748de, X748dte/7526-576, 776 photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:
Notices and safety information 
Laser notice 
Aviso sobre o laser 
Lithium battery warning 
Safety information
Preface 
Change history 
Conventions
Navigation buttons 
GENERAL INFORMATION 
Models 
Options and features 
Media options 
Memory options 
Printer and scanner specifications 
Dimensions 
Clearances 
Multiple function printer specifications 
Memory 
Resolution 
Data streams 
Environment specifications 
Electrical and power specifications 
Acoustic specifications 
Media specifications 
Input and output capacities 
Input and output sizes and types 
Paper guidelines 
Tools required for service 
Acronyms 
DIAGNOSTIC INFORMATION 
Start 
Operator panel and menus 
Operator panel 
Buttons, icons, and light description 
Understanding the home screen 
Features 
Using the touch-screen buttons 
Administrative Menu 
Power-on self test (POST) sequence 
Symptom tables 
Multiple function printer (MFP) symptom table 
Print quality symptom table 
User status and attendance messages 
Error codes and messages 
Service checks 
31.xx-Cartridge errors service check 
110.xx-Mirror motor service check 
111.xx, 112.xx, 113.xx, and 114.xx-Printhead error service check 
120.xx-Fuser error service check 
140.xx, 920.02-Autocomp (tray 1) motor error service check 
142.xx, 906.01-906.04-Motor (fuser) error service check 
143.xx-Motor (EP drive assembly top cartridge) error service check 
144.xx-Motor (EP drive assembly middle cartridge) error service check 
145.xx-Motor (EP drive assembly bottom cartridge) error service check 
146.xx, 148.xx-Motor (MPF/duplex) error service check 
147.xx, 906.05-906.08, 920.01-Motor (aligner) error service check 
155.xx-Cam motor error service check 
156.xx-COD (Color On Demand) motor error service check 
160.xx, 161.xx-Motor Error (option tray 2) service check 
162.xx, 163.xx-Motor (option tray 3) error service check 
164.xx, 165.xx-Motor Error (option tray 4) service check 
166.xx, 167.xx-Motor Error (option tray 5) service check 
168.xx-Motor (HCIT elevator) error service check 
200.11, 250.03-Paper Jam error service check 
201.06, 201.08, 201.31-Paper Jam error service check 
203.09-Paper Jam error service check 
230.03, 230.05-Paper Jam error service check 
242.02-Paper Jam error service check 
242.03, 242.11-Paper Jam service check 
242.05-Paper Jam service check 
242.10-Paper Jam service check 
242.17-Paper Jam service check 
242.21, 243.21, 244.21. 245.21, 242.30, 243.30, 244.30, 245.30-Paper Jam service check 
242.26-Paper Jam service check 
242.27-Paper Jam service check 
242.29-Paper Jam service check 
242.32, 243.32, 244.32, 245.32-Paper Jam service check 
243.02-Paper Jam service check 
243.03, 243.11-Paper Jam service check 
243.05-Paper Jam service check 
243.10-Paper Jam service check 
243.17-Paper Jam service check 
243.26-Paper Jam service check 
243.27-Paper Jam service check 
243.29-Paper Jam service check 
244.02-Paper Jam service check 
244.03, 244.11-Paper Jam service check 
244.05-Paper Jam service check 
244.10-Paper Jam service check 
244.17-Paper Jam service check 
244.26-Paper Jam service check 
244.27-Paper Jam service check 
244.29-Paper Jam service check 
245.02-Paper Jam service check 
245.03, 245.11-Paper Jam service check 
245.05-Paper Jam service check 
245.10-Paper Jam service check 
245.17-Paper Jam service check 
245.29-Paper Jam service check 
283.03-Scanner ADF pickup/feed jam service check 
290.11-Scanner ADF cover open jam service check 
292.01 Scanner locked error service check 
291.06-Flatbed cover open jam service check 
842.xx-Scanner Failure-Communication failure service check 
843.00-Scanner Failure-Carriage failed to move service check 
843.01, 843.02-Scanner Failure service check 
844.xx-Scanner Error-scan module output level error service check 
845.xx-Scanner Failure service check 
846.xx-Front calibration strip error service check 
Steps before starting the 9yy service checks 
900.00-900.99 (except for 900.05)-System software error service check 
900.05-Transfer module error service check 
902.59-Engine software error, NVRAM MGR problem 
920.03, 920.25-Transfer Module Missing error service check 
920.04-POST-fuser motor not connected error service check 
920.05-POST-printhead motor not connected error service check 
920.06-Input sensor service check 
920.07-POST-Narrow media sensor error service check 
920.08-Exit sensor service check 
920.09-POST-Four toner sensor not connected error service check 
920.10-POST-Three toner sensors not connected error service check 
920.11-POST-Two toner sensors not connected error service check 
920.12-POST-One toner sensor not connected error service check 
920.13-POST error service check 
920.14-POST-Cartridge motor 2 not connected error service check 
920.15, 920.20-POST-Bad transfer module NVRAM data error service check 
920.16-POST-Bad printhead NVRAM data error service check 
920.17-POST error service check 
920.18-POST-Cartridge motor 3 not connected error service check 
920.19-POST-Transfer module stepper motor not connected error service check 
920.21-POST-24 V power supply failure error service check 
920.23-POST error service check 
920.26-POST service check 
920.27, 920.28, 920.29-POST (power on self test) option tray error service check 
920.32-MPF paper present sensor not connected service check 
925.01, 925.03, 925.05-Fan error service check 
925.02, 925.04, 925.06-Blower error service check 
945.xx, 947.xx-Transfer roll error service check 
950.00-950.29-EPROM mismatch failure 
956.xx-System board failure service check 
5 V interlock switch service check 
24 V interlock switch removal 
ADF exit sensor service check 
ADF input sensor service check 
ADF jam sensor service check 
282.01, 284.01, 290.26-ADF cover open service check 
ADF skew sensor service check 
ADF scanning sensor service check 
Bubble sensor service check 
Dead printer service check 
Networking service check 
Operator panel service check 
Stripes display and black display during boot up service check 
Print quality service check 
Tray 1 missing service check 
DIAGNOSTIC AIDS 
Accessing test and diagnostic procedure menus 
Diagnostics menu 
Diagnostics menu structure 
Available tests 
Registration 
Alignment Menu 
Motor tests 
Print Tests 
Hardware Tests 
Duplex Tests 
Sensor Tests 
Printhead Tests 
Device Tests 
Printer Setup 
EP Setup 
Reports 
Event Log 
Scanner Tests 
Scanner Calibration Reset 
Adf Magnification 
EXIT DIAGNOSTICS 
Configuration menu (CONFIG MENU) 
Available tests 
Reset Separator Roll and Pick Assembly Counter 
Reset Fuser Count 
USB Scan to Local 
Black Only Mode 
Color Lock Out 
Prt Quality Pages 
Reports 
Color Trapping 
Tray Insert Msg 
Size Sensing 
Panel Menus 
PPDS Emulation 
Download Emuls 
Factory Defaults 
Energy Conserve 
Fax Low Power Support 
NumPad Job Assist 
Min Copy Memory 
Format Fax Storage 
Fax Storage Location 
ADF Edge Erase 
FB Edge Erase 
Scanner Manual Registration 
Disable Scanner 
Automatic Color Adjust 
Auto Align Adj 
Enforce Color Order 
Color Alignment 
Color Adj State 
Motor Calibration 
Paper Prompts 
Envelope Prompts 
Action for Prompts 
Jobs on Disk 
Disk Encryption 
Wipe Disk 
Wipe All Settings 
Duplex Gloss 
Font Sharpening 
Require Standby 
UI Automation 
LES Applications 
Key Repeat Initial Delay 
Key Repeat Rate 
Clear Custom Status 
Pel Blurring 
USB Speed 
Automatically Display Error Screens 
Exit Config Menu 
Service Engineer (SE) Menu 
Front cover locked in place 
Printhead verification 
Paper Jams 
Error jam locations 
Clearing jams 
Understanding jam messages 
Theory of operation 
Paper path 
Electrophotographic (EP) process 
Electrical interlock 
REPAIR INFORMATION
Safety information 
Data Security Notice 
Handling ESD-sensitive parts 
Handing the photoconductor unit 
Transportation/storage 
Handling 
Parts not to be touched 
Screw and retainer identification table 
Adjustments 
Printhead alignment 
Printer removal procedures 
Precautions to take before maintenance work 
Multifunction printer removals 
Front access cover assembly removal 
Left cover removal 
Left door cover removal 
Operator panel assembly removal 
Operator panel bezel removal 
Operator panel buttons removal 
Operator panel speaker removal 
Output bin extension cover removal 
Rear cover removal 
Rear frame cover removal 
Right cover removal 
Top access cover assembly removal 
Top cover assembly removal 
5 V interlock switch cable removal 
24 V interlock switch removal 
Bin full sensor assembly removal 
Cartridge cooling fan removal 
Cartridge guide wheel removal 
Cartridge motor 1/fuser cable removal 
Cartridge motor 2/3 cable removal 
Color on demand assembly removal 
Contact springs kit removal 
Cooling fan removal 
Cooling fan filter removal 
CPU fan removal 
Duplex reference edge guide assembly removal 
Electrophotographic (EP) drive assembly removal 
Fax modem removal 
Front door assembly removal 
Front door assembly front cable (left) removal 
Front door assembly front cable (right) removal 
Fuser assembly removal 
Fuser AC cable removal 
Fuser DC cable removal 
Hard drive assembly removal 
High-voltage power supply (HVPS) removal 
High-voltage power supply (HVPS) cable removal 
Left bellcrank assembly removal 
Low-voltage power supply (LVPS) removal 
Motor driver cable removal 
Motor driver card removal 
Multipurpose feeder (MPF)/duplex gear and housing removal 
Multipurpose feeder (MPF)/duplex motor assembly removal 
Multipurpose feeder (MPF)/duplex motor cable removal 
Multipurpose feeder (MPF) paper present sensor 
Option cable removal 
Paper pick mechanism assembly removal 
Photoconductor unit removal 
Pick tires removal and replacement 
Printer pad removal 
Printhead removal, installation, and adjustment 
Right bellcrank assembly removal 
System board removal 
System board support shield removal 
Toner level sensor removal 
Top access cover links removal 
Top access cover sensor removal 
Top access cover springs removal 
Top cover camshaft assembly removal 
Transfer module removal 
Transport cable removal 
Transport motor cable removal 
UICC card removal 
UICC cable removal 
USB connector cable removal (front panel) 
Waste toner assembly removal 
Waste toner HV contact assembly removal 
Wireless network antenna removal 
Wireless network card removal 
Scanner flatbed and automatic document feeder (ADF) 
ADF front cover removal 
ADF front side cover removal 
ADF handle cover removal 
ADF motor side cover removal 
ADF upper case cover removal 
Flatbed cave LED card and cover removal 
Flatbed with glass cover removal 
Input tray removal 
Scanner front cover removal 
Scanner left cover removal 
Scanner rear cover removal 
Scanner right cover removal 
ADF removal (entire) 
ADF case assembly removal 
ADF skew sensor card removal 
ADF closed cover flag removal 
ADF exit sensor (with cable) removal 
ADF hinge (left and right) removal 
ADF motor gear train removal 
ADF paper stop removal 
Table of contents ix
ADF pick pad removal 
ADF pick pad spring removal 
ADF pick roller assembly removal 
ADF pressure plate cover removal 
ADF separator pad removal 
Carriage transport belt with clip removal 
ESD brush removal 
Flatbed air filter removal 
Flatbed CCD carrier module removal 
Flatbed cooling fan removal 
Flatbed scanner removal 
Paper present LED card removal 
Scanner ICC card removal 
Scanner ICC cable removal 
Scanner MDC card removal 
High-capacity input tray (HCIT) option removals 
HCIT media tray assembly removal 
HCIT front tray cover removal 
HCIT rear cover removal 
HCIT right cover removal 
HCIT left cover removal 
Feed with bushing roller removal 
HCIT controller board assembly removal 
HCIT drawer slide assembly removal 
HCIT elevator motor with sensor removal 
HCIT pick tires removal 
HCIT slide assembly with spring removal 
Photointerrupter sensor with cable assembly removal 
Top plate assembly removal 
CONNECTOR LOCATIONS 
Locations-printer base 
Connectors 
System board 
Preventive maintenance
Safety inspection guide 
Lubrication specifications 
Maintenance 
Cleaning the scanner glass 
Cleaning the ADF parts 
Cleaning the printhead lenses 
Spare ADF supplies 
PARTS CATALOG 
How to use this parts catalog 
Assembly 1: Covers-printer 
Assembly 2: Front 
Assembly 3: Right 
Assembly 4: Rear 
Assembly 5: Left 
Assembly 6: Top
Assembly 7: Cable parts packet 
Assembly 8: Covers-scanner 
Assembly 9: Automatic document feeder (ADF) 
Assembly 10: Flatbed scanner 
Assembly 11: Optional 550-sheet media drawer and tray 
Assembly 12: Optional special media tray assembly 
Assembly 13: Optional high-capacity input option (HCIT) 
Assembly 14: Options and features
INDEX
Part number index
Number of pages: 630.