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Oki Data CONFIDENTIAL
44158801TH Rev.2
245 /
(5-3) Paper path jam occurs in a path route
Confirmation Items
Confirmation Tasks
Action at NG
(5-3-1) Check of operating state of motors
Feed motor, belt motor, ID
motor, ID up/down-motor
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.
Replace the PU
PCB (PRF PCB),
or replace the feed
motor, belt motor,
ID motor, or ID up-
motor, or replace the
ID unit or belt unit.
To use a new ID unit
or belt unit on a trial
basis, use FUSE
KEEP MODE of the
System Maintenance
Menu.
Feed motor driver, belt
motor driver, ID up-motor
driver
Unplug the HOP connector of the PU PCB (PRF PCB),
and confirm the following on the connector side:
Several M between pin 1 and FG
Several M between pin 2 and FG
Several M between pin 3 and FG
Several M between pin 4 and FG
Unplug the BELTIDUP connector of the PU PCB (PRF
PCB), and confirm the following on the connector side:
Several M between pin 1 and FG
Several M between pin 2 and FG
Several M between pin 3 and FG
Several M between pin 4 and FG
Several M between pin 5 and FG
Several M between pin 6 and FG
Several M between pin 7 and FG
Several M between pin 8 and FG
Replace the PU
PCB (PRF PCB), if
the feed motor, belt
motor or D motor is
faulty, or replace the
motor driver PCB
if the belt motor is
faulty.