Canon C75 Printer User Manual


 
Chapter 13 Troubleshooting 13-17
Troubleshooting
The unit does not switch automatically between telephone and fax
reception.
The unit may not be set to switch automatically between telephone and fax
reception.
For the unit to switch automatically, the receive mode must be set to Fax/Tel Mode,
ANS.MACHINE MODE, or NET SWITCH* (1 Chapter 8). If you have set
ANS.MACHINE MODE, confirm that an answering machine is connected to the unit
and that it is turned on with an outgoing message properly recorded. (1 p. 8-10)
An error may have occurred during reception.
Check the LCD for an error message. (1 p. 13-5)
Print an ACTIVITY REPORT and check for an error. (1 p. 11-3)
The multi-purpose tray may be empty.
Make sure paper is loaded in the multi-purpose tray. (1 p. 2-16)
The sending fax machine may not send the CNG signal that tells the unit that the
incoming signal is a fax.
Some fax machines cannot send the CNG signal that tells your unit the incoming call
is from a fax machine. In such cases, you will have to receive the fax manually.
(1 p. 8-8)
Cannot receive a document manually.
You may have disconnected the call by pressing Start or dialling the remote
receiving ID after hanging up the handset.
Always press Start or dial the remote receiving ID before hanging up the handset.
Otherwise you will disconnect the call.
Print quality is poor.
You may not be using the correct type of paper.
Make sure you load paper that meets the paper requirements for the unit.
(1 Chapter 5)
The BJ cartridge print head may need cleaning.
Refer to the flow chart (1 p. 12-9) and clean the BJ cartridge print head if necessary.
(1 p. 12-11)
The sending fax machine may not be functioning properly.
The sending fax machine usually determines the fax’s quality. Call the sender and
have them make sure the top cover and scanning glass of their fax machine are
clean.
*NET SWITCH is only available in Australia and New Zealand.