Common causes of repeating jams
Table 6-13 General jam causes
Printer jams not related to a specific location.
Cause
Solution
The media does not meet specifications. Use only media that meets HP specifications. See Supported
media weights and sizes on page 444.
A component is installed incorrectly. Verify that the print cartridge, duplexer, and fuser are correctly
installed.
If a repair part was installed in the device, verify that it was
correctly installed.
Check and see if it is time to install a ADF or engine
maintenance kit.
An input tray is loaded incorrectly. Remove any excess media from the input tray. Make sure that
the stack is below the maximum stack height mark in the tray.
The media is skewed. The input-tray guides are not adjusted correctly. Adjust them
so they hold the stack firmly in place without bending it.
The media is binding or sticking together. Remove the media, flex it, rotate it 180°, or flip it over. Reload
the media into the input tray.
NOTE Do not fan paper, which creates static
electricity and can cause paper to stick together.
The media is removed before it settles into the output bin. Wait until the page completely settles in the output bin before
removing it.
The media is in poor condition. Replace the media.
The media has rough or jagged edges. Replace the media.
The media is perforated or embossed. Perforated or embossed media does not separate easily. Feed
single sheets from Tray 1.
The media was not stored correctly. Replace the media in the trays. Media should be stored in the
original packaging in a controlled environment.
Table 6-14 ADF jams
Jams in the ADF.
Cause
Solution
The ADF pickup roller is not picking up the media. Remove the top sheet of media. If the media is heavier than
120 g/m
2
(32 lb), it might not be picked from the tray.
Use the scanner flatbed to print the job.
The ADF pickup and feed rollers or separation pad are dirty,
worn, or damaged.
Clean the rollers and pad. If the rollers or pad are worn or
damaged, replace the roller assembly. See
User-replaceable
parts on page 182.
452 Chapter 6 Troubleshooting ENWW
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