Brother HL-3450CN Series, Service Manual

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HL-3450CN SERVICE MANUAL
6-33
4.7 Paper Feeding Roller and Separator Pad Replacement
Criterion of Replacement
The paper feeding roller and separator pad should be replaced with new ones according to
the periodical maintenance cycle set out in Table 6-4.
When time is due for replacement of the paper feeding roller and separator pad, the following
message appears on the control panel.
REPLACE PF KIT1
NOTE:
The message above indicates that the paper feeding roller and separator pad in the original
media cassette should be replaced. When the ones in the optional lower tray 1 or 2 are
replaced, the message such as ‘REPLACE PF KIT2’ or ‘REPLACE PF KIT3’ are displayed.
They also should be replaced when paper feed jams occur.
Work Procedure
(1) Whenever paper feed jams occur, confirm the cause by following the information in
Section 3 of Chapter 8.
(2) If the paper jam still occurs, replace the paper feeding roller and separator pad referring
to Section 4.6.5 of Chapter 7.
Fig. 6-29
CAUTION
x
This is one of the periodic replacement items, not customer service. It should be
implemented upon request of the customer or at periodic maintenance.
x
After replacement, confirm the improvement of paper jam problems by test printing.
Paper feeding roller
Separator pad