HP 1100AHP User Manual
Page 131
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Image formation troubleshooting
129
Horizontally
aligned black
streaks or
smears appear.
The toner cartridge was improperly
installed.
Make sure you removed the entire length
of the sealing tape from the toner
cartridge before you installed it.
The toner cartridge is defective.
Replace the toner cartridge.
The HP LaserJet 1100 Printer needs to be
cleaned.
See “Cleaning procedures” in this chapter.
There is a problem in the heating element. Perform the “Heating element check,”
which is discussed later in this chapter.
A gear is damaged.
Perform the “Drum rotation functional
check,” which is discussed later in this
chapter.
There is a problem in the laser/scanner.
Replace the laser/scanner.
The HP LaserJet 1100 Printer needs to be
cleaned.
See “Cleaning procedures” in this chapter.
There is a problem in the contact image
sensor.
Replace the contact image sensor.
A roller is damaged.
Use the “Repetitive image defect ruler”
later in this chapter to determine which
roller is damaged. Replace the roller.
The HP LaserJet 1100 Printer needs to be
cleaned.
See “Cleaning procedures” in this chapter.
If you are using transparencies, they do
not meet HP’s specifications.
Make sure that the media meets
specifications detailed in HP’s media
specifications guide.
The paper’s texture is too coarse.
Try changing to a paper with a smoother
finish.
The toner cartridge is damaged, causing a
repetitive black flaw on every printout.
Replace the toner cartridge.
The toner cartridge’s photosensitive drum
has been overexposed to bright light,
causing repetitive defects (usually a fuzzy
black area).
Replace the toner cartridge.
Table 5-3. Solving image quality problems
Problem
Cause
Solution