Service manual

214 Troubleshooting ENWW
Misformed
characters
Maintenance is due. ● Print a few more pages to see if the problem
corrects itself.
● Make sure that the printer operating
environment meets specifications.
● Print a demo page to verify that the problem
persists.
● Perform maintenance actions as required.
The print media might be too smooth.
● Check the print media type and quality.
Page skew The print media does not meet printer specifications
or is stored incorrectly.
● Print a few more pages to see if the problem
corrects itself.
● Verify that there are no torn pieces of media
inside the printer.
● Turn over the stack of media in the tray. Also try
rotating the media 180 degrees.
● If the print media does not meet HP
specifications, replace the media.
The print media is not loaded correctly or trays are
not adjusted correctly.
● Make sure print media is loaded correctly and
that the guides fit correctly against the media
stack.
Registration assembly is incorrectly installed.
● Be sure that the registration assembly is
installed correctly.
Curl or wave The print media does not meet printer specifications
or is stored incorrectly.
● Print a few more pages to see if the problem
corrects itself.
● Turn over the stack of media in the tray. Also try
rotating the media 180 degrees.
● If the print media does not meet HP
specifications, replace the media.
Printer’s operating environment does not meet
specifications.
● Make sure the printer’s operating environment
meets specifications.
Wrong output bin.
● Print to a different output bin (top or rear output
bin).
Wrinkles or creases The print media does not meet printer specifications
or is stored incorrectly.
● Print a few more pages to see if the problem
corrects itself.
● Turn over the stack of media in the tray. Also try
rotating the media 180 degrees.
● If the print media does not meet hp
specifications, replace the paper.
The print media is loaded incorrectly.
● Make sure print media is loaded correctly and
that the guides fit correctly against the media
stack.
Wrong tray.
● Print from a different tray (such as tray 1).
Wrong output bin for print media type.
● Print to a different output bin (top or rear output
bin).
Table 24. Image defects (continued)
Problem Cause Solution