Lexmark Optra W810 - Page 8

viii Service Manual
4023-001
Fusing Unit Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-27
Paper Exit Sensor (PC3) and Actuator Removal . . . . . . . . . . . .4-27
Heater Lamp Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-28
Heater Lamp (H1) Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-29
Fusing Roller Thermistor (TH1) Removal . . . . . . . . . . . . . . . . . .4-29
Fusing Roller Thermostat (TS1) Removal. . . . . . . . . . . . . . . . . .4-30
Paper Exit Full Sensor (PC12) Removal. . . . . . . . . . . . . . . . . . .4-31
Eraser Duct Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . .4-32
Erase Lamp (LA1) Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-33
Fuser Frame Resistor Board (PWB-R1) Removal . . . . . . . . . . .4-34
1st Cassette Paper Empty Sensor (PC4) Removal. . . . . . . . . . .4-35
Image Cartridge/PC (I/C) Cooling Fan Motor (M9) Removal . . .4-36
High Voltage Unit (HV1) Removal. . . . . . . . . . . . . . . . . . . . . . . .4-37
Printer Main Engine Board (PWB-A) Removal . . . . . . . . . . . . . .4-38
Printhead Unit Assembly (PH) Removal . . . . . . . . . . . . . . . . . . .4-40
Right Door Switch (S3) Removal. . . . . . . . . . . . . . . . . . . . . . . . .4-43
Power Supply Unit (PU1) Removal . . . . . . . . . . . . . . . . . . . . . . .4-44
CPM (Power Supply Safety) Switch and PWB-L Removal . . . . .4-45
Power Unit Cooling Fan Motor (M4) Removal. . . . . . . . . . . . . . .4-46
Ozone Fan Motor (M8) and Ozone Filter Removal . . . . . . . . . . .4-47
1st Paper Cassette (Tray 1) Paper Size Detecting
Board Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-48
Bottle Cover Sensor (PC10) Removal. . . . . . . . . . . . . . . . . . . . .4-49
Agitating Motor (M10) Removal. . . . . . . . . . . . . . . . . . . . . . . . . .4-50
Main Hopper Motor (M6) and Sub Hopper
Motor (M7) Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-51
Transport Motor (M2) Removal . . . . . . . . . . . . . . . . . . . . . . . . . .4-52
Image Cartridge/PC (I/C) Drive Motor (M1) Removal . . . . . . . . .4-53
Right Door Interlock Switch (S2) Removal . . . . . . . . . . . . . . . . .4-54
Toner Detecting Read Switch (S4) Removal. . . . . . . . . . . . . . . .4-55
1st Cassette (Tray 1) Paper Near Empty
Sensor (PC5) Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-57
1st Cassette (Tray 1) Set Sensor (PC6) Removal . . . . . . . . . . .4-58
1st Cassette (Tray 1) Paper Take-Up
Solenoid (SL1) Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-59
Double Feed Detection Sensor
Board (PWB-H) Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-60
500-Sheet Cassette (Tray 2 and 3) Control
Board (PWB-A2) Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-62
500-Sheet Cassette (Tray 2 and 3) Paper
Take-Up Roller Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-63