Xerox Phaser 3140

5-12 Phaser 3140/3155/3160 Printer Service Manual
Print-Quality Troubleshooting
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Check the connectors between the
Controller Board and Power Supply
Board.
Are the connectors secure?
Go to step 3. Reconnect the
connectors.
Go to step 2.
2 Does the error still occur? Go to step 3. Complete.
3 Replace the Power Supply Board
(page 8-54).
Does the error still occur?
Go to step 4. Complete.
4 Does the error still occur? Replace the
Laser Unit
(page 8-30).
Go to step 5.
Complete.
5 Does the error still occur? Replace the
Controller
Board
(page 8-51).
Complete.
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