Service Guide
83
Command Engine
This menu item lets you run individual engine commands to test printer
subsystems. After starting one of the Motor test ON, scroll to the motor
test that turns it OFF.
Main Motor On/Off
Paper Feed Motor On/Off
Cartridge Motor On/Off
Laser Motor On/Off
Lower Feeder Motor On/Off
MPT Motor On/Off
High Voltage Supply On/Off
Erase Lamp On/Off
All Fans On/Off
Paper To Exit
Black Cam On/Off
Yellow Cam On/Off
Cyan Cam On/Off
Magenta Cam On/Off
Black Roller On/Off
Yellow Roller On/Off
Cyan Roller On/Off
Magenta Roller On/Off
Registration Clutch
Paper to Auto-Duplex
Top Pick Roller
Middle Pick Roller
Bottom Pick Roller
Transfer Roller
Cleaning Blade
Face Up/Down Solenoid
Fuser Roller Advance Solenoid
Blow New Fuser Roll
Miscellaneous Tests
This menu item allows you to test other printer subsystems
Erase lamp
Energy Star
HHS Laser Scanner Seal
Maintenance
This menu item lets you run several maintenance processes
Clean Accumulator Belt
Clean Top Pick Roller
Clean Middle Pick Roller
Clean Bottom Pick Roller
Clean MPT Pick Roller
Image Processor Test
This single routine runs a series of diagnostic tests on the image
processor board and reports a Pass/Fail message on the front panels
Engine Status
This is an engineering test which gives status reports in hex codes
Summary of Contents for Phaser 740
Page 6: ......
Page 48: ...36 Phaser 740 and 750 Color Printers ...
Page 102: ...90 Phaser 740 and 750 Color Printers ...
Page 104: ...92 Phaser 740 and 750 Color Printers ...
Page 124: ...112 Phaser 740 and 750 Color Printers ...
Page 129: ...Service Guide 117 Figure 3 Motor and fan FRUs 3102 37 1 10 9 5 8 7 2 6 4 3 ...
Page 131: ...Service Guide 119 Figure 4 Sensor switch and flag FRUs 3102 40 1 7 2 3 4 8 5 6 ...
Page 135: ...Service Guide 123 Figure 6 Imaging and paper feed component FRUs 3102 39 1 2 3 7 9 4 6 8 5 ...