Error Indication; Equipment Errors; 1 ] Error Messages Appearing On The Lcd - Brother MFC640CW Service Manual

9.1 ERROR INDICATION

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

9.1.1 Equipment Errors

If an equipment error occurs, the machine 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
8, Section 8.4.22
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

MFC640CW/DCP340CW
Messages on the LCD
Comm.Error
Connection Fail
Cover is Open
Data Remaining
Disconnected
Document Jam
DR Mode in Use
(that is, make the machine enter the maintenance mode and then press the 8 and 2
Poor phone line quality caused a communication error.
(This message does not appear on the DCP340CW.)
You tried to poll a machine that is not in Polled Waiting mode.
(This message does not appear on the DCP340CW.)
The scanner cover is not closed completely.
Print data remains in the machine's memory.
Print data remains in the machine's memory. The USB cable was
unplugged while the computer was sending the data to the
machine.
The other person or other person's machine stopped the call.
(This message does not appear on the DCP340CW.)
The document fed from ADF was longer than the specified
length.
The document is jammed in the machine.
The machine is set to Distinctive Ring mode. You cannot change
the Receive Mode from Manual to another mode.
(This message does not appear on the DCP340CW.)
Probable Cause
9- 1
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