Brother DCP-J552DW Service Manual page 195

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(4) On the left side of the lower cover, make sure that the two harnesses (paper feed motor harness
and PF/registration sensor harness ASSY) is removed from the cable guide.
(5) Remove the four screws of the TAPTITE CUP B M3x10 from the engine unit.
(6) Hold the inner chute located beneath the CR guide rail, lift up the rear end of the engine unit
slightly, and then take it up and out of the lower cover.
Note
Do not hold the CR guide rail.
Be careful not to touch the PF encoder disk.
If the ink absorber box does not need to be replaced, make sure to take it out of the lower
cover together with the engine unit.
Do not leave the engine unit directly on a flat surface. Doing so may damage the PF
encoder disk and gears. Place a support pad under the engine unit as shown below.
(7) Take the flushing box and ink absorber felt (for maintenance unit) out of the lower cover.
TAPTITE CUP B M3x10
Engine unit
PF encoder disk
Paper feed
motor
harness
PF/registration sensor
harness ASSY
Flushing box
(Disc guide) boss
Link rod R
Link
rod L
Lower cover
L
3-78
PF encoder disk
Engine unit
ASF encoder sensor
harness
ASF motor harness
Pressure roller release sensor harness
Purge cam switch harness
Carriage motor harness
Ink absorber felt
(Disc guide) boss
Support pad
ASF motor/encoder
harness ASSY
(3_102)
Confidential

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