Oki OKIFAX 5400 Maintenance Manual page 422

Are the hopping roller
and feed roller rotating?
Is the connector being
connected properly?
Check the coil resistance
(approx. 4.3Ω) of the
Replace the TQSB-2PCB
40838301TH Rev.1
1
Yes
No
Yes
Is the pulse motor
turning?
No
No
Yes
No
pulse motor.
Is it normal?
Yes
board.
Set the paper properly.
Replace the hopping
roller shaft assy or
one-way clutch gear on
the feed roller assy.
Connect the connector
properly.
Replace the stepping
motor.
F - 13