Brother MFC-9420CN Service Manual page 190

(4) Remove the cleaning roller cover PU.
(5) Remove the cleaning roller PU by grasping the handle and lifting it up.
Sequence of Assembling
(1) Clean the area where the new cleaning roller PU is to be installed with a dry cotton cloth.
(2) Put the new cleaning roller PU into the machine by gently placing the brass bearings into the
guides, and then pushing the handle down until the bearings click into place. Make sure the
cleaning roller PU is free to move slightly upwards (rotating slightly around the bearings) in
the housing after you have installed it.
(3) Put the cleaning roller cover PU back in.
(4) Close the center cover , and then close the scanner unit.
(5) Turn the machine's power switch back on.
Cleaning roller cover PU
Fig. 6-19
Fig. 6-20
Fig. 6-21
6 -1 5
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Cleaning roller PU
Cleaning roller PU
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