Replacement Of Transfer Roller Assy Pu (120K Kit) - Brother MFC-9420CN Service Manual

6.3.3 Replacement of Transfer Roller ASSY PU (120K KIT)

<Criterion of Replacement>
Transfer roller ASSY PU should be replaced with a new one according to the periodical
maintenance cycle set out in the
When time is due for replacement of transfer roller ASSY PU, the following message appears on
the LCD.
NOTE: At the same time, replacement of the paper feed roller, the cleaning roller, the separator
pad and the transfer unit is strongly recommended.
<Purpose of Replacement>
To prevent the transfer efficiency from declining due to deterioration of the transfer roller ASSY
PU.
<Necessary Tools and Replacement Materials>
(1) Two or three pieces of cotton cloth for cleaning.
(2) Transfer roller ASSY PU (one unit)
<Work Procedures>
Sequence of Disassembling
(1) Turn off the machine's power switch.
(2) Open the rear cover of the machine.
(3) Release the lock levers on the right and left-hand sides, and then lift the levers to release the
transfer roller ASSY PU.
(4) Take out the transfer roller ASSY PU by gently pulling the right-hand side up and sliding the
transfer roller to the right.
Table 6-1.
Replace 120K Kit
Lock lever
Fig. 6-15
Fig. 6-16
6 -1 2
Lock lever
Ttransfer roller ASSY PU
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