Brother HL-3450CN Service Manual page 179

No. Parts Name
1. Open the transfer unit.
1 Register Roller
2. Clean roller and surrounding area using a
dry cloth.
1. Remove the media cassette from the
2 Paper Guide printer.
2. Clean the paper guide using a dry cloth.
1. Open the top cover.
Paper Exit
3
Roller 2. Clean the paper exit roller using a dry
cloth.
1. Open the transfer unit.
4 Transfer Roller 2. Clean roller and surrounding area using a
dry cloth.
1. Open the transfer unit.
Paper
2. Remove the paper discharger.
5
Discharging
3. Clean the corona wire and case, using a
Roller
cotton swab.
1. Remove the OPC belt cartridge.
OPC Belt
6 2. Clean up spilt toner around the OPC belt
Cartridge
cartridge and cleaning blade.
3. Clean the corona wire with a cotton swab.
Periodic Maintenance Cleaning Work
Table 6-3
Cleaning Work
Description Section
6-7
Cleaning Cycle *1
(Condition or Case)
N
Defective image
2.1
N
Smeared paper
N
20K prints
2.2 20K prints
2.3 20K prints
N
Defective image
N
2.4
Smeared paper
N
Periodic maintenance
N
Defective image
N
2.5 Paper jam
N
Periodic maintenance
N
Defective image
2.6
N
Periodic maintenance
HL-3450CN SERVICE MANUAL