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General Troubleshooting
4-3
Front Panel Troubleshooting
No Front Panel Display after Power is Turned ON
1.
Verify that power cord is securely plugged into both the printer and the grounded,
three prong AC outlet with the appropriate power available.
2.
Ensure that all covers are securely closed.
3.
Verify that Top Cover, Print Cartridge, and Fuser Gate interlocks are functional.
4.
Replace the Power Supply Board.
5.
Replace the Main Board.
6.
Replace the Front Panel.
Front Panel LED is On, Front Panel Display is Blank
1.
Remove and reseat all connections to the Main Board.
2.
Remove and reseat the Front Panel connector.
3.
Replace the Front Panel wiring harness.
4.
Replace the Front Panel.
5.
Replace the Main Board.
Front Panel Continually Displays “Close Cover or Check
Cartridge”
1.
Verify that the Top Cover is securely closed.
2.
Ensure that the Print Cartridge is properly installed and securely seated.
3.
Verify that the Top Cover, Print Cartridge, and Fuser Gate interlocks are
functional.
4.
Replace the Main Board.
Front Panel Continually Displays “No Paper in Tray [x]”
1.
Ensure that the specified tray contains paper.
2.
Verify that the Paper Out actuator is in the correct position and moves without
binding.
3.
Replace the Paper Out Sensor.
4.
Replace the Main Board.
Summary of Contents for 3450B - Phaser B/W Laser Printer
Page 1: ...Service Manual P h a s e r L a s e r P r i n t e r 3450...
Page 2: ......
Page 13: ...xii Phaser 3450 Laser Printer...
Page 19: ...xviii Phaser 3450 Laser Printer...
Page 28: ...General Information 1 9 Consumables 1 Print Cartridge 1 s3450 164...
Page 47: ...2 14 Phaser 3450 Laser Printer Service Manual...
Page 92: ...6 Chapter Adjustments and Calibrations In this chapter Margin Calibration Resetting NVRAM...
Page 97: ...7 4 Phaser 3450 Laser Printer Service Manual...
Page 143: ...8 46 Phaser 3450 Laser Printer Service Manual...
Page 175: ...10 6 Phaser 3450 Laser Printer Service Manual...
Page 179: ......
Page 180: ...071 0866 00...