How To Recover From Errors Of The Fuser Unit; How To Clear And Delete The Password For "Setting Lock - Brother HL-4040CN, HL-4050CDN, HL-4070CDW Service Manual

2.4

How to Recover from Errors of the Fuser Unit

How to recover from errors of the fuser unit is to use
mode.
Note:
When clearing an error, be sure that the fuser unit is cooled down sufficiently.
2.5

How to Clear and Delete the Password for "Setting Lock"

<Remedy if forgetting the password>
If a user forgets the password which has been registered, it is possible to clear the password
by entering the hidden password.
(1) Press the OK, Go and OK buttons in this order when the machine is in the ready status.
"0" will appear on the LCD.
(2) Press the
OK button.
(3) Press the Go button to display "TTL_PG:" (Total number of printed pages ) on the LCD
and check the last four digits of the value.
(4) Press the Cancel button so that the machine returns to the ready status.
(5) Select "General Setup" and "Setting Lock" on the LCD by using the
press the OK button.
(6) The machine displays "Setting Lock/ Password:XXXX" on the LCD. Press the
button to enter the value of the total printed pages (four digits), which has been checked
in Step (3).
If the total printed pages do not reach four digits, the password is the value which "0" is
entered into the higher digit(s). (Ex: If the total pages are 12, the password is "0012".)
(7) Enter the first digit and press the OK button so that the cursor is moved to the second
digit. Enter the four digits in the same way. If entering the incorrect value, return the
cursor with the Back button and enter the correct one again.
(8) Press the OK button after entering the four digits. The machine displays "Setting
Lock/Off" on the LCD. Press the OK or Go button so that it displays "Setting
Lock/Accepted" and clears the registered password.
<How to delete the password>
Users are not allowed to delete the password which has been registered by the panel
operation. It is required to implement "Maintenance mode 01" in order to delete the registered
password.
Since some items are initialized by implementing "Maintenance mode 01", however, refer to
"1.4.1 EEPROM Parameter Initialization"
or button to display "MAINTENANCE 80" on the LCD. Then, press the
Function code 99
in this chapter.
5-36
in the maintenance
or button and
or
Confidential