HP laserjet 3390, 3392 all-in-one サービスマニュアル

Clean the paper path. See 

Poor print quality

.

Place the Configuration page
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 ADF

1.

If the print quality from the internal tests
and the copy from the flatbed are
acceptable, clean the ADF scanning
glass. See 

2.

If the ADF is damaged, replace the
ADF. See 

.

Media does not move smoothly through the
ADF path

1.

Make sure that the media in the ADF
meets ADF specifications.

2.

Clean the ADF pick roller. See

.

3.

If the problem persists, replace the
ADF pick roller. See 

.

4.

If the problem persists, replace the
ADF. See 

.

Poor copy quality from the flatbed

If the print quality from the internal tests and
the copy from the ADF are acceptable, clean
the flatbed glass. See 

.

Connect the telephone line and
press 

Start Fax

 to verify that a

dial tone exists (using a hand
set, if necessary). Attempt to
send a fax.

Telephone line is not operational or the all-in-
one is not plugged into the telephone line

Verify that the all-in-one is plugged into a
telephone line that you know works.

Telephone cord is faulty or is plugged into the
wrong connector

1.

Try plugging the telephone cord into
the other connector.

2.

Try a new telephone cord.

Fax number is incorrect or incomplete

Check the fax number and retype the correct
and complete fax number.

All-in-one fax settings are set incorrectly

Review and reset the all-in-one fax settings.

Use another fax machine to
send a fax to the all-in-one.

Too many telephone devices are plugged in,
or telephone devices are not connected in the
correct order

Make sure that the all-in-one is the only
device on the telephone line and try again to
receive the fax.

All-in-one fax settings are set incorrectly

Review and reset the all-in-one fax settings.

If the all-in-one is

connected to a computer, use the
HP Fax Setup Wizard to review and
reset fax settings.

Software is not installed correctly or an error
occurred during software installation

Uninstall and then reinstall the all-in-one
software. Verify that you are using the
correct installation procedure and the
correct port setting.

ENWW

Troubleshooting process

179