Brother MFC-3340CN Service Manual page 201

6.4 IF YOU REPLACE THE INK ABSORBER BOX
Reset the purge counter to zero
(1) Press the Menu/Set and Black Start (Mono Start) keys. Next press
the machine enter the maintenance mode.
(2) Press the 8 and 0 keys in this order. (See Function code 80 in
(3) Press the Black Start (Mono Start) key many times until the purge count appears on the LCD.
(4) Press the 2, 7, 8, and 3 keys in this order to reset the purge count to zero.
(5) Press the Stop/Exit key to return to the initial stage of the maintenance mode.
Reset the ink absorber counter to the count specified for a spare ink absorber box
(6) Press the 6, 3, and 9 keys in this order to reset the ink absorber counter to the count specified
for a spare ink absorber box. (See Function code 63 in
(7) Press the 9 key twice to exit from the maintenance mode.
Section
6-28
key four times to make
Section 8.5.19.)
8.5.12.)
Confidential