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Lexmark X7500 4036-501 W820

Tags : LexmarkX75004036-50112G9083OptraW820 
Lexmark X7500 4036-501 W820 Manuel de service

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Description

Lexmark X7500 4036-501 Service Manual (12G9083)
Edition: March 24, 2006

The Lexmark X7500 (4036-501) scanner option is a multifunction solution for the
Lexmark W820 printer that adds copy, fax, and monochrome network scanning
capabilities for increased corporate productivity.

Notices and Safety Information vii
Safety Information iv-vii
Preface . x
General Information . 1-1
Maintenance Approach . 1-1
Tools Required for Service 1-1
Acronyms . 1-2
Preparing the scanner for shipping 1-3
Duplex Auto Document Feeder (DADF) Power Principles of Operation 1-4
DADF Control 1-4
Scanner Principles of Operation . 1-23
Scanner Power 1-23
Scanner Control . 1-24
Mechanical Drive . 1-28
Scanning Methods . 1-30
Diagnostic Information 2-1
Start . 2-1
Scanner Errors . 2-2
MFD Controller Cage Errors . 2-4
Symptom Tables . 2-10
Diagnostic Aids . 3-1
Hard disk drive refresh . 3-1
Code update procedure 3-1
DADF Repair Procedures4-1
Preparation 4-1
Notations in the Removal Replacement text . 4-2
Adjustments . 4-3
DADF Assembly Height Adjustment . 4-3
DADF Assembly Paper Skew Adjustment . 4-4
Adjusting the Position of Full Rate/Half Rate Carriages 4-6
Configuring the MFD Controller Card 4-8
DADF Repair Procedures . 4-9
DADF Assembly Removal . 4-9
DADF Front Cover, Handle, and Magnet Removal . 4-11
DADF Cushion Removal . 4-12
DADF Exit/Reverse Solenoid Removal 4-14
DADF Input Tray Assembly Removal . 4-15
DADF Jam Access Door Assembly Removal . 4-16
DADF Top Cover Removal 4-18
DADF Rear Cover Removal . 4-19
DADF Jam Door Open Switch Removal . 4-20
DADF Mylar Paper Guide Strip Removal . 4-21
DADF Left and Right Hinge Removals 4-22
DADF Controller Card Assembly Removal . 4-24
DADF Registration Roll Drive Motor Assembly Removal 4-26
DADF Main Drive Motor Assembly Removal 4-28
DADF Separator Pad Assembly Removal 4-30
DADF Separator Pad Removal 4-31
DADF #1 and #2 Linkage Removals 4-32
Linkage Cover Removal 4-33
Paper Stop Spring and Paper Stop Removal . 4-34
DADF Roller Engagement Shaft Assembly Removal . 4-36
DADF Paper Present Sensor Removal 4-38
DADF Paper Present Indicator Card Assembly Removal 4-39
Paper Present Sensor Flag Removal . 4-40
DADF Pick Roller with Separator Pad Kit Assembly Removal . 4-41
Registration Sensor Removal . 4-42
DADF Gear #3 Bearing Removal 4-43
Tension Roller Spring and Tension Roller Removal . 4-44
DADF Upper Paper Guide Removal 4-45
DADF #4 Gear Removal . 4-46
Scanner Repair Procedures 4-48
User Interface Panel Removal . 4-49
Flatbed Scanner Top Cover Assembly Removal . 4-50
Flatbed Center Platen Glass Plate Removal 4-52
Left DADF Platen Glass Plate Removal . 4-54
Scanner Main Drive Motor Assembly Removal 4-55
Scanner Motor Card Assembly Removal . 4-56
Flatbed Open Sensor Removal 4-57
Registration Sensor Assembly Removal . 4-58
Plate Switch Assembly Removal . 4-59
Scanner System Card Assembly Removal . 4-60
Charge Couple Device Card Assembly Removal 4-62
Automatic Paper Size Sensor Removal 4-64
Full Rate Carriage Lamp Assembly Removal . 4-65
Cable Assembly-Scan, Rear Removal . 4-66
Full Rate Carriage Lamp Cable Removal 4-71
Connector Locations 5-1
Location Maps 5-2
Wiring Diagrams and Signal Information 5-8
DADF Master Wiring Diagram . 5-9
Scanner Master Wiring Diagram 5-17
Preventive Maintenance . 6-1
Maintaining Your Multifunction Product (MFP) . 6-1
CleaNing the touch screen 6-1
Cleaning the scanner bed . 6-1
Cleaning the scanner rollers . 6-1
Cleaning the scanner pick pads 6-3
Parts Catalog7-1
How to Use This Parts Catalog . 7-1
Assembly 1: DADF Cover and Solenoid . 7-2
Assembly 2: DADF Cover, Switch, and Hinge (Rear) . 7-4
Assembly 3: DADF Control Board and DADF Registration Roll Drive Motor Assembly
7-6
Assembly 4: DADF Separator Pad Asm. and Paper Stop 7-8
Assembly 5: DADF Pick Roller . 7-10
Assembly 6: DADF Document Registration 7-12
Assembly 7: DADF Wiring Harness 7-14
Assembly 8: Scanner Platen Glass and IPS PWB 7-16
Assembly 9: Scanner Lens Assembly and CCD Card 7-18
Assembly 10: Scanner Carriage Motor and Cable 7-20
Assembly 11: Scanner Full Rate and Half Rate Carriage . 7-22
Assembly 12: Scanner Top Cover . 7-24
Assembly 13: Multifunction Device Controller Cage Electronics7-26





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