Table 53. White lines (opposite to the paper-path direction)

 

Possible cause

Action

 

 

 

 

Damage to the print drum.

Replace the toner cartridge.

 

 

 

 

Damage to fuser roller.

Run a cleaning page through the printer (see page 67). If the problem

 

 

persists, replace the fuser.

 

 

 

 

Unstable laser beam or

Replace the following in the order indicated:

 

beam control circuitry.

1.

Laser/scanner assembly.

 

 

2.

Dc controller.

 

 

3.

Cables between the dc controller and the laser/scanner.

 

 

4.

Formatter.

 

 

 

 

222 Troubleshooting

Q1860-90918