HP 1100AHP - Manual (Page 129)

C4224-90962 Image formation troubleshooting 127
Print is faded or
you notice a
block of vertically
aligned white
streaks,
or print is not
faded, but
vertical white
stripes appear
on the page.
The toner cartridge is getting low on toner. Redistribute the toner or replace the toner
cartridge.
The HP LaserJet 1100 Printer needs to be
cleaned. See “Cleaning procedures” in this chapter.
The paper you are using does not meet
HP’s paper specifications (for example, it
is too moist or too rough). Make sure that the media meets
specifications detailed in HP’s media
specifications guide.
Toner density setting is not adjusted
correctly. Adjust the setting from the control panel.
A part of the HP LaserJet 1100 Printer is
damaged. Follow the steps in “Basic troubleshooting”
to isolate the problem.
The internal mirror or optics are damaged. Clean the mirror by blowing air through
the laser/scanner to remove any dust
particles.
The laser/scanner is damaged. Replace the laser/scanner.
There is a problem in the contact image
sensor. Follow the instructions in this chapter to
recalibrate the document scanner.
The document scanner needs to be
recalibrated. Replace the contact image sensor.
There is a problem in the formatter. Replace the formatter.
Stains or
smudges appear
as small, round,
black dots on the
front or back of a
page.
Sometimes
inconsistent
stains appear. The paper you are using does not meet
HP’s paper specifications (for example, it
is too moist or too rough). Make sure that the media meets
specifications detailed in HP’s media
specifications guide.
You are printing on the wrong side of the
paper. Remove the paper from the paper input
bin and turn it over. (The wrapper on many
reams of paper has an arrow indicating
the print side.)
The HP LaserJet 1100 Printer needs to be
cleaned. See “Cleaning procedures” in this chapter
for instructions on cleaning the product
and using a cleaning page.
The toner cartridge is damaged. Replace the toner cartridge if
maintenance procedures do not improve
print quality.
Table 5-3. Solving image quality problems
Problem Cause Solution