HP Ci 1100 manual Care and Maintenance

Care and Maintenance

	Trouble	Possible Cause	Corrective Action
One or more dark		The imaging unit is	Replace the imaging unit;
vertical lines appear on		scratched.	make sure that the old
the print in all colors.			imaging unit is not exposed
			to light for more than 45
			seconds.
			If a new imaging unit does
			not correct the problem:
			• Put the old imaging unit
			back into the printer.
			• Repack the new imaging
			unit.
		The fuser is damaged.	Replace the fuser.
A piece of the printed		The fuser’s internal roller is	Print 5-10 pages of blank
image is missing and		not being consistently oiled.	pages to clean the roller.
reappears out of place,		or	If you still see the problem:
approximately 129 mm		The fuser’s internal roller is	Replace the oil supply roll.
(5”) down the page.		contaminated with toner	If you still see the problem:
		particles	Replace the fuser.
The surface of the		The fuser is near its useful	Replace the fuser (depending
printed image appears to		life.	on your quality needs, you
have vertical scratches			can continue to print until
(visible by holding the			the dark vertical lines
print at an angle and			appear).
observing the “shine” of
the image).
At first, the scratches
appear only on the
printed image; eventual-
ly, dark vertical scratch-
es appear on the unprint-
ed portion of the page.
Media frequently wraps		The oil supply roll has	Replace the oil supply roll.
around the fuser.		reached its useful life.
Light vertical streaks		The main charge grid is	Replace the main charger.
appear in all colors.		dirty.

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