330 Troubleshooting Q2431-90912
Paper transport errors
Malfunction errors
Table 78. Paper transport error troubleshooting
Possible cause Recommended action(s)
Worn, dirty, or defective
rollers.
● Inspect all of the stacker or stapler/stacker rollers. Clean any dirty rollers.
If necessary, replace the stacker or stapler/stacker.
The feed guide is damaged,
causing the leading edge of
the media to be bent.
● Inspect the feed guide. If, necessary, replace the stacker or stapler/
stacker.
Obstruction in the paper path
causes skewed print.
● The paper path is contaminated. Clean the paper path. See “Stacker and
stapler/stacker paper path” on page 327.
● Worn, dirty or defective rollers.Inspect all of the stacker or stapler/
stacker rollers. Clean any dirty rollers. If necessary, replace the stacker or
stapler/stacker.
Table 79. Malfunction error troubleshooting
Possible cause Recommended action(s)
No power
The stacker or stapler/stacker
connector is not fully seated
or is damaged.
● Inspect the stacker or stapler/stacker connector on the unit and on the
printer. Verify that these connectors are not damaged, and that the
stacker or stapler/stacker is installed correctly and fully seated.
If the stacker or stapler/stacker is installed with the printer power on, you
must turn the power off and then back on again for the stacker or stapler/
stacker to operate.
● Turn the printer power off. Remove and reinstall the stacker or stapler/
stacker. Turn the printer power on again.
The stacker or stapler/stacker
PCA is defective.
● Replace the stacker or stapler/stacker.
No stapling (stapler/stacker only)
There are no staples in the
staple cartridge.
● Replace the stapler unit staple cartridge. See “Location of the stapler/
stacker stapler unit” on page 344.
The stapler unit is defective.
● Replace the stapler unit. See “Location of the stapler/stacker stapler
unit” on page 344.
The print job contains more
than one paper size.
● When using the stapler/stacker, limit the print job to a single page size.
The stapler/stacker PCA is
defective.
● Replace the stapler/stacker.
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