Cleaning Of High-Voltage Contacts And Grounding Contacts - Brother IntelliFax-3550 Service Manual

1.22 Cleaning of High-voltage Contacts and Grounding Contacts

If any toner particles, paper dust or dirt are on the contacts, clean them out. This will ensure
that power flows correctly to enable printing.
Grounding Contacts
1
Gear drive unit
Drum grounding
board
2
1
2
2
High-voltage
power supply
PCB
3
1
High-voltage Contacts
3
For transfer
roller
Drum unit
4
For cleaner
roller
5
For grid
4
IV – 28
7
For developer
roller
6
For corona wire
7
6
5
4
3
5
7
6