Canon MultiPASS C635 User Manual page 177

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

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