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Solution: Load only one type of paper at a time. When you are printing faxes, make
sure letter, A4, or legal paper is loaded in the input tray.
The print quality of the fax I received is poor
Cause: The phone line connection is noisy.
Solution: If the failure was due to noise on the phone line, contact the sender to
have them resend the fax. The quality might be better when you try again. You can
check the sound quality of the phone line by plugging a phone into the telephone wall
jack and listening for static or other noise. If the problem persists, turn Error
Correction Mode (ECM) off and contact your telephone company.
To change the ECM setting from the control panel
1. Press Setup.
2. Press 5, and then press 6.
This selects Advanced Fax Setup and then selects Error Correction Mode.
3. Press
to select On or Off.
4. Press OK.
Cause: The sending fax machine is having problems.
Solution: Ask the sender to check the sending fax machine for any problems. Also
check to see if faxes from other senders have the same quality problems.
Cause: The glass or automatic document feeder of the sending fax machine is dirty.
Solution: If you have vertical lines or streaks on the fax, the sender's fax machine
might have dirt or dust on the glass or automatic document feeder. Check with the
sender to see if the glass or automatic document feeder is clean.
Cause: The print cartridges need to be cleaned or might be out of ink.
Solution: Check the estimated ink levels remaining in the print cartridges. If the
print cartridges are low or out of ink, you might need to replace the print cartridges.
If there is ink remaining in the print cartridges, but you are still noticing a problem,
print a self-test report to determine if there is a problem with the print cartridges. If the
self-test report shows a problem, clean the print cartridges. If the problem persists,
you might need to replace the print cartridges.
For more information on print cartridges, see
Print cartridge troubleshooting.
Some of the pages of a fax I received are faded or blank
Cause: The print cartridges need to be cleaned or might be out of ink.
Solution: Check the estimated ink levels remaining in the print cartridges. If the
print cartridges are low or out of ink, you might need to replace the print cartridges.
If there is ink remaining in the print cartridges, but you are still noticing a problem,
print a self-test report to determine if there is a problem with the print cartridges. If the
Chapter 12
146 Troubleshooting