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When verifying a TLS server certicate to communicate to the POP3 server, a verication err
or occurred.
● Check that the CA certicate that signed the TLS server certicate on the POP3 server side is registered to
the machine by using the Remote UI.
● Check that the TLS server certicate on the POP3 server side is valid.
● Check that the TLS server certicate is not a self-signed certicate.
#846
An e-mail could not be sent due to a POP authentication failure.
● Check the setting, and try again.
Conguring E-Mail Communication Settings
(P. 82)
#852
The machine turns OFF for some reason.
● Check whether the po
wer plug is inserted into an outlet rmly.
#853
A document could not be printed because its data size exceeded the machine's upper processing
capability
.
● The machine may not be able to print documents with many pages. Reduce the number of pages per
printing, or print when no print job is queued or no document is being printed. If you are still unable to
print, check the document data for any defects.
Printing was canceled from the computer.
● If you cancel an operation when the print data is being sent to the machine from a computer, this error
code is displayed, but this is not abnormal. Print again as necessary.
A PC fax was sent after setting a resolution not guaranteed on the machine.
● Reduce the resolution setting in the fax driver.
#995
A document waiting to be sent was canceled.
● Send the document again as necessary
.
Troubleshooting
509
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