Oki OF5600, Service Manual

Page: 272 / 448

Troubleshooting 7 - 44 OKIFAX 5300/5600
Service Manual, P/N 59278301
Action Items (Printer Unit-LCD Message) Table 7.1.22.2
No.
ACTION
No.
ACTION
Check M17-x Board. 1
Check POWER SUPPLY UNIT.
cover open switch,
cover open switch connection.
Check M17-x Board. 2
Return to Section 7.1. 3
Replace the ID Unit. 4
Check installation of M17-x board,
POWER SUPPLY UNIT board.
Ensure good connection between
the machine and the 2nd Tray Unit. 5
Check PWU. Clean and check
all contacts to the fuser assembly
for continuity.
6
Check FAN motor, M17-x Board. 7
Check FAN motor, M17-x Board,
POWER SUPPLY UNIT. 8
Check thermister (resistance about
100 kilo ohms at room temperature
and about 1.5 kilo ohms at high
temperature), POWER SUPPLY
UNIT. Clean contacts on fuser
and contact assembly. 9
Check connection between the
PWU and the fuser assembly,
heater, thermostat.
10
11
Check M17-x Board.
Check inlet sensor lever for
sticking or breaking,
hopping roller, resist motor,
M17-x Board, cover setting state.
12
Check "COVER OPEN STATE",
drum motor, clean drum motor
and drive gears, M17-x Board.
Check gears for proper lubrication.
13
Check exit sensor lever for
sticking or breakage,
cover setting state, PWU
14
Check M17-x Board. 15
Check paper sensor levers,
PWU, M17-x board. 16