Brother DCP6690CW Service Manual page 249

• Before mounting the head/carriage unit on the engine unit, be sure to move the front and rear
slider cams to the rightmost position to prevent them from scratching or damaging the PF
encoder disk.
Rear slider cam
• When mounting the head/carriage unit on the left end of the engine unit, first fit the front end
over the CR support chassis (shown on
rail. Make sure that the two front bosses (see below) provided on the bottom of the head/
carriage unit catch the front edge of the CR support chassis and the two rear bosses are fitted
in the two cutouts (on
• After mounting the head/carriage unit, slide it by hand to check that it smoothly moves to the
right and left ends of its travel.
• After mounting the ink refill ASSY, route the ink supply tubes on the lower cover, aligning
the four colors in the order as shown on
• Before setting the head joint, make sure that the head joint rubber is set on the head/carriage
unit as shown on page
leaf spring.
• When mounting the carriage PCB ASSY, route the head flat cables, observing instructions
given on the next page.
Head/carriage unit
Front slider cam
page
page 6-65) in the CR guide rail.
Viewed from the bottom
Rear bosses
Front bosses
page
6-62. Then secure the head joint to the head/carriage unit with the joint
6-68
(6_60)
6-65) and then set the rear end onto the CR guide
(6_61)
6-63.
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