Telephone Problems - Canon PIXMA MX850 series Quick Start Manual

Cause Action
You are scanning thick or curled
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.
• Errors Often Occur When You Send a Fax
Cause Action
The telephone line condition or the
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.
Telephone Problems
• Cannot Dial
Cause Action
The telephone line is not correctly
connected.
The telephone line type is not set
correctly.
Check that the telephone line is connected correctly. Refer to your setup sheet
or see "Preparing the Machine for Fax" on page 57.
Check the telephone line type setting and change it as necessary. See "Setting
the Telephone Line Type" on page 60.
• Telephone Disconnects During a Call
Cause Action
The telephone line or the telephone (or Check that the telephone line and the telephone (or a peripheral device such as
a peripheral device such as an external an external telephone, an answering machine, or a computer modem) are
telephone, an answering machine, or a connected correctly.
computer modem) is not connected
correctly.
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Troubleshooting