Brother DCP-J552DW Service Manual page 196

(8) Release either the left of right hook of the outer paper guide before releasing the center hook
and the remaining hooks and remove it from the switchback roller shaft.
CR guide rail
CR frame
Assembling Note
• When mounting the outer paper guide, mount it with the left and right hook facing up and the
center hook facing down. In other words, mount it with the part number imprint facing up. Start
from either the left or right hook, then the center hook, and the remaining hooks.
When installing the engine unit to the lower cover, make sure that the disc guide is closed.
•
Slightly tilt the engine unit to the front and align the inner groove of the front side left and right
connection rod (white part) to the (disc guide) boss to make the unit slide down. Lower the rear
end while pressing on the front side of the engine unit.
Be careful not to let the harnesses get sandwiched between the engine unit and the lower cover.
• After installing the engine unit, route the harnesses to the harness cable guide on the left and right
side of the lower cover as shown in
When the flushing box is replaced (without replacing the main PCB), follow the procedure in
•
Chapter 4, Section 1.14
It is also recommended to replace the ink absorber box and reset the purge count as necessary
since the purge count may also be approaching the upper limit.
When the engine unit is replaced, make adjustments specified in
•
Hook
Part number imprint
Section 7-10, 11,
to reset the flushing count.
3-79
Hook
Center hook
Outer paper guide
(Front)
12.
Chapter 4, Section
Switchback roller
shaft
(3_109)
6.
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