Brother HL-4040CN Service Manual page 294

<Operating Procedure>
(1) Press the or
the maintenance mode. Then, press the OK button.
(2) Each time the Go button is pressed, one of the following log information terms appears on
the LCD in the order. If pressing the Back button, the previous log information will appear.
(3) Press the Cancel button to return the machine to the initial stage of the maintenance
mode.
Note:
If you press the OK button when the machine code with "*" in the list displays on the LCD, you
can check the number of pages that this error occurred. Press the OK button again to return to
the machine code display.
<How to Reset the Maintenance Information>
How to reset the maintenance information displayed in the LCD individually
Terms with "O" in the individually list are possible to reset with inputting the password
"2783".
(1) Display the maintenance information you wish to reset.
(2) Press the or
button.
(3) Again, the maintenance information is displayed. Press the
second password as "7", the thrid password as "8" and the last one as "3" in the same
way.
(4) Upon completion of password input correctly, the maintenance information displayed
on the LCD is reset.
How to reset the maintenance information related errors collectively
Terms with "O" in the collectively list are possible to reset all together with inputting the
password "0529".
(1) Display terms of the error history or the number of jams.
(2) Press the or
button.
(3) Again, the maintenance information is displayed. Press the
second password as "5", the thrid password as "2" and the last one as "9" in the same
way.
(4) Upon completion of password input correctly, the maintenance information related
errors is reset collectively.
button to display "MAINTENANCE 80" on the LCD in the initial stage of
button to set the first password as "2", and then press the OK
button to set the first password as "0", and then press the OK
5-24
or button to set the
or button to set the
Confidential