User guide
176 Chapter 6 - Troubleshooting EN
4
Is the copy function
operational?
Place the configuration
report into the ADF and
make a copy. The report
should feed smoothly
through the ADF and
copies should print
without print-quality
problems. Make a copy
from the flatbed as well.
Poor copy quality from
the flatbed.
1. If the print quality from the internal tests
and the copy from the ADF were
acceptable, clean the flatbed glass.
2. If, after performing the maintenance, the
problem persists, replace the scanner
assembly.
Poor copy quality from
the ADF.
1. If the print quality from the internal tests
and the copy from the flatbed were
acceptable, clean or, if damaged, replace
the ADF scanner glass.
2. If the problem persists, replace the
scanner assembly.
Media does not move
smoothly through the
ADF path.
Clean the ADF pick roller and ADF
separation pad. If the problem persists,
replace the ADF pick roller and ADF
separation pad. If the problem persists,
replace the ADF.
5
Does the LaserJet
3330mfp send a fax?
Connect the phone line
and verify the dial tone
(using a hand set, if
necessary). Attempt to
send a fax.
The telephone line is not
operational or the product
is not plugged into the
telephone line.
Make sure that the product is plugged into a
telephone line that you know works.
The phone cord is faulty
or is plugged into the
wrong connector.
Try plugging the phone cord into the other
connector. Try a new cord.
The product’s fax settings
are set incorrectly.
Review and reset the product’s fax settings.
The flat flexible cable
between the formatter
and the LIU is damaged
or incorrectly seated.
Inspect and reseat or replace the flat
flexible cable between the LIU and the
formatter.
The LIU is not
operational.
Replace the LIU. If the problem persists,
replace the formatter.
6
Does the LaserJet
3330mfp receive a
fax?
Use another fax machine
to send a fax to the
LaserJet 3330mfp.
Too many telephone
devices are plugged in, or
telephone devices are not
connected in the correct
order.
Make sure that the product is the only
device on the telephone line and try again
to receive the fax.
The product’s fax settings
are set incorrectly.
Review and reset the product’s fax settings.
The flat flexible cable
between the formatter
and the LIU is damaged
or incorrectly seated.
Inspect and reseat or replace the flat
flexible cable between the LIU and the
formatter.
The LIU is not
operational.
Replace the LIU. If the problem persists,
replace the formatter.
Table 15. Basic troubleshooting (continued)
# Verification steps Possible problems Solutions










