Brother DCP-6690CW, Service Manual, Page: 202 / 506

6-21 Confidential
Document feed roller
(15) Lightly press the lock arms on the lower ADF chute and slide two bushings "a" on the
document feed roller shaft outwards.
(16) At the front end of the document feed roller shaft, squeeze the lock bushing and slide the
shaft to the rear.
(17) At the rear end of the document feed roller shaft, slide bushing "b" to the rear and slightly
lift up the shaft and slide it to the rear until its front end comes off the lower ADF chute.
(18) Release the grounding wire from the ADF drive unit by removing the screw.
Document feed roller
Lock arm
Bushing "a"
Bushing "b"
Taptite, cup S
M3x6
Grounding wire
(for ADF drive unit)
Lock arms
ADF drive unit
(Front)
Lock bushing
Bushing "a"
Bushing "a"
(6_22)
Lower ADF chute
Document feed
roller shaft