User Guide

Table 2-50 Image defects table (continued)
Problem Sample Cause Solution
The front of the page is dirty.
The photosensitive drum is
dirty.
Replace the toner cartridge.
The fuser roller or pressure
roller is dirty.
Execute a Pressure roller clean
mode procedure. If the dirt does
not come off, replace the fuser.
NOTE: Cleaning the fuser with HP
tough paper provides better results
than with plain paper. You might
need to execute the cleaning
process several times to remove all
contaminants on the fuser.
Repetitive horizontal lines
See repetitive image defect ruler.
Clean the indicated roller. If the
contaminant does not come off,
replace appropriate roller or
assembly.
Pages have flecks of toner
Execute a cleaning page to clean
the contaminant off the fuser. The
cleaning page might need to be run
several time to clean the fuser. Do
not replace the fuser.
NOTE: Cleaning the fuser with HP
tough paper provides better results
than with plain paper. You might
need to execute the cleaning
process several times to remove all
contaminants on the fuser.
Pages have one or more skewed
color planes (can appear on the
right or left side of the page)
Remove, and then reinstall the toner
cartridge associated with the defect.
ENWW
Solve image quality problems
401