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Lexmark X746de X748de X748dte/7526-576 776-Service Repair Manual & Parts List

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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,...
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Sku: 154106

Lexmark X746de X748de X748dte/7526-576 776-Service Repair Manual & Parts List
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.
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