Brother MFC Series Service Manual page 279

*1 The serial number of the machine can be changed with the following procedure.
1) Press [SET] or [OK] to display the serial number on the LCD, then press [9], [4], [7] and
[5] in this order. The cursor appears on the LCD display at the uppermost digit of the
current serial number, indicating that the machine switches to the edit mode.
2) Enter the uppermost digit of the desired serial number. The cursor moves to the next
lower digit. In the same way, enter the remaining 15 digits.
<Entry of alphabet letters on the models with numerical keys>
To enter an alphabet letter, press the corresponding numerical key repeatedly until the
target alphabet letter appears.
Numerical keys
2
3
4
5
6
7
8
9
3) Press [SET] or [OK] to save the serial number and return the machine to the initial stage
of the maintenance mode.
*2 Not required for servicing.
*3 With each item being displayed, pressing [SET] or [OK] cycles through black yellow cyan
magenta.
*4 With each item being displayed, pressing [SET] or [OK] cycles through Total printed page count
 Total printed monochrome page count 

monochrome page count A3/Ledger printed color page count 
count except A3/Ledger 
*5 With the item being displayed, pressing [SET] or [OK] cycles through total monochrome color.
*6 With the item being displayed, pressing [SET] or [OK] cycles through A3 plain paper 
inkjet paper  A3 glossy paper 

postcard plain paper 
plain paper  Photo L inkjet paper 

*7 Not used.
*8 With the item being displayed, pressing [OK] switches the purge types, one by one.
For details about the purge type, refer to Maintenance mode 76.
*9 With the item being displayed, pressing [SET] or [OK] switches back to the last errors, one by
one. With an error code being displayed, pressing the [ ] key toggles between the date when
the error occurred and the ambient temperature only in the case of a machine error.
*10 With the item being displayed, pressing [SET] or [OK] cycles through Flat-bed scanning 
front-side scanning 
*11 With the item being displayed, pressing [SET] or [OK] switches to the Power-ON duration at the
time of last reset.
*12 Reset the purge count and flushing count by pressing [2] 
shown.
Letters supported
2 A B C
3 D E F
4 G H I
5 J K L
6 M N O
7 P Q R S
8 T U V
9 W X Y Z

Total printed color page count A3/Ledger printed

Printed color page count except A3/Ledger.
A4 plain paper 

4x6/postcard inkjet paper 


Photo L glossy paper.

FAX scanning Scanner scanning.
5-57

Printed monochrome page
A4 inkjet paper  A4 glossy paper 
 
4x6/postcard glossy paper 

[7]  [8] 
 

A3

4x6/

Photo L

ADF

[3] for each state
Confidential