Lexmark X7500 Service Manual - Page 4

Connector Locations, DADF Pick Roller with Separator Pad Kit Assembly Removal .. 4-41 - user guide

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1234-XXX DADF Jam Door Open Switch Removal 4-20 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 iv

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iv
1234-XXX
DADF Jam Door Open Switch Removal
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
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