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HP LaserJet 4345mfp Series - Page 424

HP LaserJet 4345mfp Series
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Media-transport problems
The following issues can cause media-transport problems
Multiple pages feed.
Cause Solution
The tray 1 separation pad is worn. Replace the separation-pad assembly.
Too much media (particularly envelopes) is loaded in tray 1. Remove some of the media and resend the print job.
The separation and feed rollers in the tray are worn or
damaged
Replace the rollers.
The media edges are locked together. Flex the media stack before loading it into the MFP. Do not
fan the media.
The media is wrinkled or folded.
Cause Solution
The feed rollers or registration rollers are dirty or defective. Replace the affected rollers.
The paper path contains foreign substances or dirt. Remove any foreign substances or dirt from the paper path.
The cartridge shutter open/close mechanism is damaged.
(This can cause jams in which the media is crumpled into an
accordion fold under the print cartridge.)
The shutter in the print cartridge should open as you insert
the cartridge. If a shutter does not open, replace the print
cartridge.
The media is skewed.
Cause Solution
The fuser inlet guide is dirty. Replace the fuser. See Fuser.
The fuser pressure roller is dirty or damaged. Run several cleaning pages through the MFP. See Cleaning
the fuser. If the problem persists, replace the fuser. See Fuser.
394 7 Troubleshooting

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