HP Ci 1100 manual Print quality problems, Care and Maintenance

Care and Maintenance

■Print quality problems

Trouble	Corrective Action
Prints have dull, faded	Print the Color Calibration Page from the Color Calibration
colors.	menu in the printer panel. Check the density settings for
	each color and compare them to the examples on the Color
	Calibration Reference card. Refer to Setting the Color
	Density on page 30 for instructions on comparing and
	setting color density.
	Make sure that the imaging unit stays covered until immedi-
	ately before installing it in the printer. Exposure to light can
	damage the imaging unit and will produce light streaks or
	faded prints.
	Make sure that the toner developers are installed correctly.
	Make sure that you use a high-quality laser paper:
	60-105 g/m2 (16-28 lbs.) paper in the media cassettes and
	75-165 g/m2 (20-44 lbs.) paper in the multi-purpose tray.
Image is very faded or	When using the multi-purpose tray, make sure that you
pieces of the image are	have selected the correct media type in the driver or in the
missing; toner on the	MODE menu of the operation panel.
page is loose.
Streaks or spots	Most spots are caused by fingerprints or dust introduced
	into the printer while installing the imaging unit or loading
	media.
	Make sure that the surface where you unpack the imaging
	unit, paper, and transparencies is free of dust. Keep supplies
	in a covered area or a closed box.
	Make sure that the imaging unit stays covered until immedi-
	ately before installing it in the printer. Exposure to light for
	more than 45 seconds can damage the imaging unit.
	Do not touch the right side or underside of the imaging unit;
	fingerprints affect print quality.
	Make sure that the paper or transparency film is clean.
	Make sure that you handle the media on the outside edges to
	avoid fingerprints.
	To get rid of fingerprint spots, print a few prints.
The back of the printed	Toner particles have contaminated the transfer roller. This
page appears dirty.	can happen if the printed image is larger than the media (for
	example, when printing on envelopes). Run 10-20 prints to
	clean the transfer roller.
The print quality of a	There is a defect on the coated surface of the transparency.
transparency is poor.	Print on the other side.

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