HP 5000n manual Horizontal White Lines, Light Print, Dark Print, or Fade Possible Cause Action

Table 7-22. Horizontal White Lines

Possible Cause	Action
Lack of toner or faulty	Redistribute the toner in the Toner Cartridge. If the
Toner Cartridge.	problem continues, replace the Toner Cartridge.
Dirt in the laser path.	Clean the laser path. (Remove the Laser Scanner
	Assembly and clean the lens.)
Defective Fuser.	Replace the Fuser Assembly.
Dirty mirror in the	Replace the Laser Scanner.
Laser Scanner.

Table 7-23. Light Print, Dark Print, or Fade

Possible Cause	Action
Wrong toner density	From the Print Quality Menu on the Control Panel,
setting.	adjust the toner density setting. Make sure
	EconoMode is off.

Toner Cartridge is low. Replace the Toner Cartridge.

Transfer Roller is	Replace the Transfer Roller.
defective.
Paper does not meet	1.	Print a few more pages to see if the problem
printer specifications	corrects itself.
or is stored	2.	Turn over the stack of paper in the tray. Also try
improperly.	rotating the paper 180°.
	3.	Check the paper (or other print media) type and

quality. Replace the paper, and advise the customer to use the recommended paper and store it properly.

EN Troubleshooting the Printing System 7-65