Error Indication; Equipment Errors; Error Messages Appearing On The Lcd - Brother MFC-9420CN Service Manual

9.1 ERROR INDICATION

To help the user or the service personnel promptly locate the cause of a problem (if any), the
facsimile equipment incorporates the self-diagnostic functions which display error messages for
equipment errors and communications errors.
For the communications errors, the equipment also prints out the transmission verification report
and the communications list.

9.1.1 Equipment Errors

If an equipment error occurs, the facsimile equipment emits an audible alarm (continuous beeping)
for approximately 4 seconds and shows the error message on the LCD. For the error messages, see
[ 1 ] below.
To display detailed error information, use maintenance-mode function code 82 described in
Chapter 8, Section 8.4.17
the 8 and 2 keys). Following the MACHINE ERROR, one of the error codes listed in [ 2 ] will
appear on the LCD.
[ 1 ]

Error messages appearing on the LCD

ERROR MESSAGE
Check Paper Size
Check Tray #1
Check Tray #2
Comm.Error
Connection Fail
Cover Open
Close the rear cover (3)
Cover Open
Close the front cover
(2)
Cover Open
Close the inside
cover (1)
Data Remaining
(that is, make the equipment enter the maintenance mode and then press
CAUSE
Paper is not the correct size.
The indicated tray is not
completely closed.
Poor phone line quality caused a
communication error.
You tried to poll a fax machine
that is not in polled waiting mode.
The rear cover is not completely
closed.
The front cover is not completely
closed.
The inside cover is not completely
closed.
Print data is left in the machine's
memory.
Print data is left in the machine's
memory. The interface cable was
unplugged while the computer was
sending the data to the machine.
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ACTION
Load the correct size of paper (Letter,
Legal or A4) and then press Black Start or
Color Start.
Close the indicated tray properly.
Send the fax again or connect the
machine to another telephone line.
If the problem continues, call the
telephone company and ask them to
check your phone line.
Check the other fax machine's polling
setup.
Close the rear cover of the machine.
Close the front cover of the machine.
Close the inside cover of the machine.
Re-start printing from your computer.
Press Job Cancel. The machine will
cancel the job and clear it from the
memory. Try to print again.
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