Canon MX850 Manuale Utente
166
Troubleshooting
Errors Often Occur When You Send a Fax
Telephone Problems
Cannot Dial
Telephone Disconnects During a Call
You are scanning thick or curled
documents.
documents.
Thick or curled documents may not be sent in good quality, because of a
shadow or distortion caused when scanning such documents.
Press on the Document Cover with your hand when scanning.
shadow or distortion caused when scanning such documents.
Press on the Document Cover with your hand when scanning.
Cause
Action
The telephone line condition or the
connection is poor.
connection is poor.
If there is a poor line or connection, reducing the transmission start speed may
correct the error.
Reduce the transmission start speed. Refer to “TX start speed” in “Device
Settings” of the User’s Guide on-screen manual.
correct the error.
Reduce the transmission start speed. Refer to “TX start speed” in “Device
Settings” of the User’s Guide on-screen manual.
Cause
Action
The telephone line is not correctly
connected.
connected.
Check that the telephone line is connected correctly. Refer to your setup sheet
or see “Preparing the Machine for Fax” on page 57.
or see “Preparing the Machine for Fax” on page 57.
The telephone line type is not set
correctly.
correctly.
Check the telephone line type setting and change it as necessary. See “Setting
the Telephone Line Type” on page 60.
the Telephone Line Type” on page 60.
Cause
Action
The telephone line or the telephone (or
a peripheral device such as an external
telephone, an answering machine, or a
computer modem) is not connected
correctly.
a peripheral device such as an external
telephone, an answering machine, or a
computer modem) is not connected
correctly.
Check that the telephone line and the telephone (or a peripheral device such as
an external telephone, an answering machine, or a computer modem) are
connected correctly.
an external telephone, an answering machine, or a computer modem) are
connected correctly.
Cause
Action