Drum Cleaner Replacement - Brother HL-3450CN Service Manual

CHAPTER 6 PERIODIC MAINTENANCE
4.5

Drum Cleaner Replacement

Criterion of Replacement
The drum cleaner should be replaced with a new one according to the periodical
maintenance cycle set out in Table 6-4.
When time is due for replacement of the drum cleaner, the following message appears on the
control panel.
Purpose of Replacement
To prevent the cleaning efficiency from declining due to deterioration of the drum cleaner.
When installing the drum cleaner, firstly locate the bearing and the bias pole into the
contacts. Reconfirm this connection prior to testing the printer.
Necessary Tools and Replacement Materials
N
Two or three pieces of cotton cloth for cleaning.
N
Drum cleaner (one unit)
Work Procedure
Sequence of Disassembling
(1) Turn off the printer.
(2) Open the top cover.
Sequence of Replacement
(1) Remove the cleaner cover by releasing
the two hooks.(Fig.6-24)
REPLACE 240K KIT
PRECAUTION
(hook)
Cleaner cover
6-30
(hook)
Fig. 6-25