Faxing/Telephone Problems
(MF729Cdw / MF726Cdw / MF628Cw)
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.
Is a telephone line set correctly?
When sending the fax overseas, insert pauses in the fax number.
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.
Receiving Problems
The results of received fax are not satisfactory. Paper creases or curls.
Telephone and fax cannot be switched automatically.
Check that the receive mode is set to <Fax/Tel Auto Switch>, <Answering Machine>, or <DRPD>.
Free space in memory may be running low. Print or delete data in memory.
A fax cannot be received automatically.
Check that the receive mode is set to <Fax/Tel Auto Switch>, <Auto>, <Answering Machine>, or <DRPD>.
Free space in memory may be running low. Print or delete data 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.