Tektronix 560 user manual To fix the problem, To avoid the problem

7Troubleshooting

Troubleshooting and print quality quick reference (cont'd.)

Symptom	Possible Causes	Solution
A single color shows a light,	The roller in the toner cartridge has a	To fix the problem:
repeating horizontal line.	slight impression after long storage.	■ Run 20-30 prints. The impression will
		disappear with continued time and use.
		To avoid the problem:
		■ Occasionally, or a day or two before
		installing a new toner cartridge, rotate
		the gear on the end of the cartridge by at
		least a quarter turn.

Front panel reports:	The Imaging Unit is wearing out.	Replace the Imaging Unit soon.
Imaging unit:replace
Front panel reports:	The Imaging Unit is worn out.	Replace the Imaging Unit now; although it
Imaging unit expired		continues to function, the print quality is
		affected.
Prints are missing fine-line	The Imaging Unit is worn out.	Replace the Imaging Unit.
detail.
Dark color spots and dark or	The Imaging Unit is worn out.	Replace the Imaging Unit.
light streaks appear in all
colors.

Consumables Page shows a straight, thin and even, light vertical line in all colors.

The photosensitive belt inside the	Replace the Imaging Unit.
Imaging Unit is scratched.

7-10Phaser 560 Color Laser Printer