Canon MP-C635, User Manual

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Chapter 8 Troubleshooting 8-25
Problem Cause Solution
The MultiPASS does The MultiPASS may not For the MultiPASS to switch
not switch automatically be in Fax/Tel mode. automatically between
between telephone and telephone and fax reception,
fax transmissions the Receive mode must be
set to Fax/Tel mode.
There may be a document Make sure you have printed
in memory. out any documents in memory.
An error may have occurred Check the LCD for an error
during reception. message (see page 8-10).
The sheet feeder may be Make sure paper is loaded in
empty. the sheet feeder.
The sending fax may not Some fax units cannot send
send the CNG signal that the CNG signal that tells your
tells the MultiPASS that the MultiPASS the incoming signal
incoming signal is a fax. is from a fax. In such cases,
you will have to receive the
document manually.
Cannot receive a You may have pressed Always press
START/COPY
document manually
START/COPY
after hanging before hanging up the
up the telephone. telephone. Do not press
START/COPY
after you hang
up the telephone; this will
disconnect the call.
Print quality is poor You may not be using the Be sure you are using paper
correct type of paper. that meets the paper
requirements for the
MultiPASS (see page A-1).
The print head may need Clean the print head
to be cleaned. (see page 7-8).
The sending party may be Make a copy on your
having a problem. MultiPASS. If the image is
OK, then your MultiPASS is
operating properly. Contact
the other party and have
them check their machine.
Error correction (ECM) Make sure Error correction
may be disabled. (ECM) is set to on in the
Advanced Receive fax panel
of the MultiPASS Fax Setup
Utility (see page 3-9).
MPC-635—USERS MANUAL/V000/06-99
T
roub
leshooting