Oki Data CONFIDENTIAL
43827101TH Rev.2 203 /
(5-2)Paper path jam occurs right after feeding paper
Paper running route on the belt
Check the sensor lever of the
WR sensor
Feed motor, belt motor, ID
motor
Feed motor driver, ID up-
motor driver, and belt motor
driver
Confirmation Tasks
Remove the ID unit, and check to see if there is paper jammed
on the running route.
Check to see if the sensor lever demonstrates any abnormal
shape or motion.
Conduct the Motor and Clutch Test of the self-diagnostic mode,
and check to see if the feed motor, belt motor and ID motor
operate normally.
Make this checking in the presence and absence of a load.
Unplug the HOP connector of the PU PCB, and confirm the
following on the connector side:
Several Mohms between pin 1 and FG
Several Mohms between pin 2 and FG
Several Mohms between pin 3 and FG
Several Mohms between pin 4 and FG
Unplug the BELTIDUP connector of the PU PCB, and confirm
the following on the connector side:
Several Mohms between pin 1 and FG
Several Mohms between pin 2 and FG
Several Mohms between pin 3 and FG
Several Mohms between pin 4 and FG
Several Mohms between pin 5 and FG
Several Mohms between pin 6 and FG
Several Mohms between pin 7 and FG
Several Mohms between pin 8 and FG
Action at NG
Remove the jammed
paper.
Replace the sensor
lever with a normal
one.
Replace the PU PCB, if
the feed motor, belt
motor, ID-up motor or
ID motor is faulty.
Replace the feed
motor, belt motor or ID
motor. Replace the ID
unit or belt unit. To use
a new consumable on
a trial basis, use FUSE
KEEP MODE of the
System Maintenance
Menu.
Replace the PU PCB, if
the feed motor, belt
motor, ID up-motor or
ID motor is faulty.
(5-2-2) Check of state of mechanical parts
(5-2-3) Check of operating state of motors
(5-2-1) Check of state of running route
Confirmation Items
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