2 ] Clean The New Head/Carriage Unit (Function Code 76) - Brother DCP6690CW 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 9.4.24.)
Press the 7 and 6 keys in this order.
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 the one having no seal, press the 4 and Black Start (Mono Start) keys in this order to
start the initial purge.
* 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.
(head_blue_seal_BHM9)
7-11
Chapter 9,
Confidential