Xerox Phaser 3140 Service Manual page 118

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