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.
