Causes for jams in the paper path
Cause
Solution
DC controller PCB is defective. Replace the DC controller PCB. Calibrate the
printer after replacing the DC controller. See
Calibrate now.
Table 7-12. Jams in the top cover
Causes for jams in the top cover
Cause
Solution
Fuser paper sensor or sensor lever is defective. Make sure the fuser paper sensor lever moves
smoothly and is set in place. Replace the lever if
it is damaged. Replace the sensor if it is defective.
Fuser sleeve or pressure roller does not rotate
smoothly.
If the fuser drive gears are worn or damaged,
replace the fuser.
Fuser inlet guide is dirty or has built-up toner. Clean the fuser inlet guide.
Fuser sleeve or pressure roller is dirty, worn, or
damaged.
Clean the fuser sleeve or pressure roller. If it is
damaged, replace the fuser.
Fuser delivery sensor or sensor lever is defective. Make sure the fuser delivery sensor lever moves
smoothly and is set in place. Replace the lever if
it is damaged. Replace the sensor if it is defective.
Fuser delivery roller is worn. Replace the fuser.
Fuser delivery roller drive gears are worn or
damaged.
Replace the fuser.
Face-down delivery roller is defective. Replace the fuser.
Fuser nip width is does not meet specification. Replace the fuser.
DC controller PCB is defective. Replace the DC controller PCB. Calibrate the
printer after replacing the DC controller. See
Calibrate now.
Table 7-13. Jams in the duplex path
Causes for jams in the duplex path
Cause Solution
Media does not meet specifications. Make sure the media meets specifications for
duplex printing and that the media has been
stored correctly.
Duplex feed guides or duplex feed rollers are
dirty.
Clean the rollers with a damp, lint-free cloth.
Remove any debris from the duplex feed guide.
Table 7-11. Jams in the paper path (continued)
ENWW Paper path troubleshooting 339
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