Engine Unit And Flushing Box - Brother DCP6690CW Service Manual

6.1.15 Engine Unit and Flushing Box

During disassembly jobs, except when removing the ink refill ASSY or engine unit (including
the maintenance unit), leave the head/carriage unit in the machine.
Before removing the head/carriage unit, ink refill ASSY or engine unit, you need to replace all
four ink cartridges with the protective part (see
Note: If the main PCB is replaced without backing up the machine information, the flushing
box (and ink absorber box) should also be replaced.
(1) If the MJ/PS shield unit has not been removed, you need to remove screw "f" shown on
page 6-53.
(2) Remove the screw from the rear of the engine unit.
(3) Take the carriage motor harness, ASF motor harness, purge cam switch harness, and cap
lift cam switch harness out of the harness guides provided on the lower cover.
ASF motor harness
Carriage motor
harness
Cap lift cam switch harness
Purge cam switch harness
ASF encoder harness
Cap lift cam
switch harness
Purge cam
switch harness
Lower cover
ASF encoder harness
page 6-3).
Carriage motor harness
ASF motor harness
6-77
Taptite, cup B
M3x12
Ferrite cores
(6_67)
Confidential