User Guide

Table 7-31 Creases
Possible cause Recommended action(s)
The media does not meet
specifications or is not stored correctly.
1 Turn over the stack of media in the
tray. Also try rotating the media
180°.
2 Check the media for type and
quality. Replace the media if it
does not meet specifications, and
advise the customer to use the HP-
recommended media and to store
it correctly. See Media
specifications.
The operating environment does not
meet specifications.
Make sure that the printer is installed in
an area that meets the environmental
specifications. See
Operating
environment.
The media is not loaded correctly or
the trays are not adjusted correctly.
Make sure that the media is loaded
correctly and that the guides fit snugly
against the stack.
The wrong tray is in use. Print from tray 1 when you use a media
that can cause image-formation or
paper-path problems.
The wrong output bin is in use. Print to a different output bin (top or
rear output bin).
An obstruction exists in the paper path. 1 Check the paper path for debris.
2 Check for damaged components
that might be creasing the paper.
Table 7-32 White lines
Possible cause Recommended action(s)
White lines in the direction of the paper path
The toner supply is low or the print
cartridge is defective.
1 Shake the print cartridge gently to
redistribute the toner.
2 Replace the cartridge.
The laser path is dirty. Clean the laser path. Remove the laser/
scanner assembly (see
Laser/scanner
assembly) and check for dirt or other
obstructions in the beam path.
The fuser is defective. Replace the fuser. See Fuser.
The mirror in the laser/scanner is dirty. Replace the laser/scanner assembly.
See
Laser/scanner assembly.
White lines in the opposite direction of the paper path
The print drum is damaged.
Replace the print cartridge.
394 7 Troubleshooting