HP 5100LE manual Damage to the print drum

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

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