Brother FAX-8060P, Руководство по обслуживанию

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VI
- 17
Trouble Action to be taken
(3) Light At the scanner
Check the following components:
- CIS unit
- Main PCB
At the printer side
Replace the toner cartridge with a new one and print 4 to 5
pages. If the problem persists, proceed to the next step.
Remove the toner cartridge and start printing. If printing
takes place, clean the toner sensor or replace the toner
sensor PCB.
Clean the high-voltage contacts for the transfer roller on the
drum unit, main cover, and high-voltage power supply PCB.
(Contacts
in the illustration given on page
VI
-21)
Clean the high-voltage contacts for the developer roller on
the drum unit, main cover, and high-voltage power supply
PCB. (Contacts
in the illustration given on page
VI
-21)
Clean the grounding contacts on the drum unit, gear drive
unit, and main cover. (Contacts
and in the illustration
given on page
VI
-21)
Check the connection of the main–high-voltage flat cable.
Replace the drum unit.
Replace the high-voltage power supply PCB.
Replace the main PCB.
(4) Dark At the scanner
Check the following components:
- CIS unit
- Main PCB
At the printer side
Slide the wire cleaner tab to clean the corona wire inside the
drum unit.
Clean the high-voltage contacts for the grid and corona wire
on the drum unit, main cover, and high-voltage power supply
PCB. (Contacts
and in the illustration given on page VI -
21)
Replace the drum unit.