Canon C75 - Manual (Page 175)

Chapter 13 Troubleshooting 13-17
T
ro
u
b
leshooting
■ ■ ■ ■ ■ 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 or
ANS.MACHINE MODE (
→
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. (
→ p. 8-10)
An error may have occurred during reception.
• Check the LCD for an error message. (
→
p. 13-5)
• Print an ACTIVITY REPORT and check for an error. ( → p. 11-3)
The multi-purpose tray may be empty.
• Make sure paper is loaded in the multi-purpose tray. (
→
p. 2-17)
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. (
→
p. 8-8)
■ ■ ■ ■ ■ Cannot receive a document manually.
You may have disconnected the call by pressing Start (Start/Scan) or dialling the
remote receiving ID after hanging up the handset.
• Always press Start (Start/Scan) 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. (
→
Chapter 5)
The BJ cartridge print head may need cleaning.
• Refer to the flow chart (
→
p. 12-9) and clean the BJ cartridge print head if necessary.
(
→
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.