2 ] Clean The New Head/Carriage Unit (Function Code 76) - Brother MFC990CW Service Manual

[ 2 ] Clean the new head/carriage unit (Function code 76)

(1) Open the ink cartridge cover, set new ink cartridges into the ink refill ASSY, and close the
ink cartridge cover.
(2) Carry out a purge operation (with function code 76) using the steps below. (See
Section 9.1.4.27.)
Press the 7 and 6 keys in this order. (For models without numerical keypad, enter 7 and 6 in
this order using the
The machine displays "CLEANING ALL" on the LCD and enters the purge mode.
For the head/carriage unit having a round, blue seal*, press the 0 and Black Start (Mono
Start) keys in this order to start the head replacement purge. (For models without
numerical keypad, enter 0 using the
(Mono Start) key.)
For the one having no seal, press the 4 and Black Start (Mono Start) keys in this order to
start the initial purge. (For models without numerical keypad, enter 4 using the
OK keys and then press the Black Start (Mono Start) key.)
* Some spare head/carriage units have a round, blue seal on their left sides as shown below.
Blue seal
The machine starts a head replacement purge or an initial purge that refills the ink supply
tubes and the new print head with fresh ink.
, and OK keys.)
,
7-11
and OK keys and then press the Black Start
(head_blue_seal_BHM9)
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