Are the hopping roller
and feed roller rotating?
Is the pulse motor
Is the connector being
connected properly?
Check the coil resistance
(approx. 4.3 ) of the
Replace the TQSB-2PCB
40055101TH Rev.4
1
Yes
No
Yes
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.
613 /