Brother HL-3450CN Series, Service Manual

Page: 180 / 365

CHAPTER 6 PERIODIC MAINTENANCE
6-8
Periodic Maintenance Cleaning Work
Table 6-3
No. Parts Name Cleaning Work Cleaning Cycle *1
Description Section (Condition or Case)
7 Transfer Drum
1. Remove the transfer drum.
2. Clean the dirt from the transfer drum
surface using a cloth.
2.7
x
Defective image
x
Periodic maintenance
8
Dustproof
Glass of Laser
Unit
1. Remove the toner cartridges and the OPC
belt cartridge.
2. Remove the dust-proof glass.
3. Using a dry cloth and swab, clean the dirt
from the dust-proof glass.
2.8
x
Defective image
x
Periodic maintenance
9 Printer Interior
1. Remove the toner cartridges and OPC
belt cartridge.
2. Clean the printer’s base, using a toner
vacuum cleaner and dry cloth.
2.9
x
Defective image
x
Periodic maintenance
10 Oil Pad
1. Remove the oil pan unit 3.
2. Using a slotted screwdriver, clean the
white felt surface of the oil pad and the oil
blade of the oil pan unit 3.
2.10
x
Periodic maintenance
[Note] *1: If a periodic maintenance agreement has been made, checks will be made at every periodic maintenance
service to prevent any problems from occurring.
CAUTION
The register roller, paper guide, and paper exit roller should be cleaned every 20K prints. Failure to do so may cause paper jams inside or outside of
the printer.