64 Troubleshooting
Cannot Receive a Document Manually
Print Quality is Poor
Fax Does Not Print
Fax Images Print Blotched or Uneven
Cannot Receive Using Error Correction Mode (ECM)
Cause Action
You may have disconnected the call by
pressing [Start/Copy] or dialing the
remote receiving ID after hanging up.
Always press [Start/Copy] or dial the remote receiving ID before hanging up the
Handset, otherwise you will disconnect the call (see page 35).
The remote receiving ID may be
incorrect.
Make sure you dialed the correct remote receiving ID (see page 35).
Cause Action
You may not be using the correct type
of paper.
Make sure you load paper that meets the paper requirements for the fax (see
page 21).
The FINE cartridge print head may
need cleaning.
Clean the FINE cartridge print head if necessary (see page 54).
The sending fax machine may not be
functioning properly.
The sending fax machine usually determines the quality of the document. Call
the sender and have them make sure their fax machine is functioning properly.
Error Correction Mode (ECM) may be
disabled.
Make sure ECM is on (see <ECM RX> on page 46).
Cause Action
The FINE Cartridge may not be
installed properly.
z Make sure the FINE Cartridge is installed properly (see your setup sheet or
page 50).
z Be sure to remove the protective tape from the FINE Cartridge before you
install it (see your setup sheet or page 50).
The FINE Cartridge print head may
need cleaning.
Clean the FINE Cartridge print head if necessary (see page 54).
The FINE Cartridge may need to be
replaced.
Determine if the problem is with the FINE Cartridge and replace if necessary
(see page 50).
A document may be set. Make sure a document is not set.
The machine is under maintenance. /
The machine is sending a fax. / The
machine is printing another document.
Cancel sending, printing, or maintenance as soon as possible.
Cause Action
The telephone lines may be in poor
condition, or you may have a bad
connection.
z Error Correction Mode (ECM) sending/receiving should eliminate such
problems. However, if the telephone lines are in poor condition, you may
have to try again.
z Lower the reception speed (see <RX START SPEED> on page 47).
The sending fax machine may not be
functioning properly.
The sending fax machine usually determines the quality of the document. Call
the sender and have them make sure their fax machine is functioning properly.
Cause Action
The sending fax machine may not
support ECM.
If the sending fax machine does not support ECM, then the document is
received in normal mode without error checking.
ECM may be disabled. Make sure ECM is on (see <ECM RX> on page 46).