Faxing/Telephone Problems (Mf8580Cdw / Mf8550Cdn / Mf8280Cw Only) - Canon MF8580Cdw Manual

Faxing/Telephone Problems (MF8580Cdw / MF8550Cdn / MF8280Cw Only)

See Common Problems also.
Sending Problems
A fax cannot be sent.
Is an external phone line busy? Wait until the line becomes free.
Has an error occurred? Print and check a Communication Management Report.
Communication Management Report (MF8580Cdw / MF8550Cdn / MF8540Cdn / MF8280Cw Only)
Is a telephone line set correctly?
Connecting the Telephone Line
When sending the fax overseas, insert pauses in the fax number.
Sending Faxes
A fax cannot be sent with a destination in the history specified.
Did you turn OFF the machine? If so, the stored history was deleted.
Did you set <Restrict New Destinations> to <On>? If so, the history before you set was deleted.
Did you set <Restrict Resending from Log> to <On>? If so, the destinations in the history cannot be specified.
A fax cannot be sent on an optical fiber line.
The machine is compliant with use on analog lines. When using an optical fiber line or IP phone line, the machine may not work
correctly depending on the connection environment or connected devices. In such a case, contact the provider of the optical fiber
line or IP phone.
The results of a sent fax are not satisfactory.
Clean the platen glass or feeder. If cleaning does not improve the results, the recipient's fax machine may be a cause.
Platen Glass
Feeder
Receiving Problems
The results of received fax are not satisfactory. Paper creases or curls.
When You Cannot Print Properly
Telephone and fax cannot be switched automatically.
Check that the receive mode is set to <Fax/Tel Auto Switch>, <Answering Machine>, or <Net Switch>.
Selecting the Receive Mode
Free space in memory may be running low. Print or delete data in memory.
Checking/Deleting Documents in Memory
Printing Documents in Memory
A fax cannot be received automatically.
Check that the receive mode is set to <Fax/Tel Auto Switch>, <Auto>, <Answering Machine>, or <Net Switch>.
Selecting the Receive Mode
Free space in memory may be running low. Print or delete data in memory.
Checking/Deleting Documents in Memory
Printing Documents in Memory
A fax cannot be received on an optical fiber line.
The machine is compliant with use on analog lines. When using an optical fiber line or IP phone line, the machine may not work
correctly depending on the connection environment or connected devices. In such a case, contact the provider of the optical fiber
line or IP phone.
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