Action Items (Printer Unit-Lcd Message) Table 7.1.22.2 - Oki OKIOFFICE44 Service Manual

Action Items (Printer Unit-LCD Message) Table 7.1.22.2

No.
1 Check R44 Board.
2 Check PWU-HV Board
cover open switch,
cover open switch connection.
Check R44 Board.
3 Return to Section 7.1.
4 Replace the Image Drum (EP) Unit.
5 Check installation of R44 board,
Power Supply Unit Board.
6
Check R44 Board.
Check thermister (resistance of about
7
200 kilo ohms at room temperature
and about 140 kilo ohms at high
temperature), POWER SUPPLY
UNIT.
Troubleshooting
ACTION
7 - 39
ACTION
No.
Check connection between the PWU
8
and the fuser assembly,
heater, thermostat.
9 Check PWU.
Check Sensor-E, magnet-H,
10
hopping roller, pulse motor,
R44 Board, Action of Idle gear-P.
11 Check Gear-T,
R44 Board, PWU-HV Board.
Check exit sensor lever,
12
PWU
Check R44 Board.
13
Check PWU, R44 board.
14
Service Manual, P/N 59276801
OKIOFFICE 44