Paper Running Jam (Error Code 381:); Jam Occurs Immediately After The Power Is Turned On - Oki MC362w Maintenance Manual

Oki Data CONFIDENTIAL
Check item
(5-2-4) Check the system connection
Paper feed motor Check the connection condition of the cable.
drive cable Check if the connector is connected in
the half-way only or not, and check if the
connector is inserted in a slanted angle or
not.
Check also that cables are assembled
without any abnormality.
Paper feed motor Check that any cable is not pinched during
drive cable assembling of the printer.
Pull out the CU/PU board HOP connector
and check the following at side of the cord:
Short circuit between pin-1 – FG
Short circuit between pin-2 – FG
Short circuit between pin-3 – FG
Short circuit between pin-4 – FG
Paper feed motor
Pull out the CU/PU board HOP connector
and check whether there is a resistance of
approximately 3.4
1 and 2 and between the pins 3 and 4.
44952001TH Rev.2
Checking method Action in case of NG
Replace the cable
with the good cable
that normalizes the
connection condition.
Replace the cable
with the good cable
①
that normalizes the
,
connection condition.
①
Replace the paper
,
feed motor.
or 5 between the pins

7.5.5. (6) Paper running jam (error code 381:)

(6-1) Jam occurs immediately after the power is turned on.

Check item Checking method
(6-1-1) Check condition of the running path.
Paper running path Check if paper is jammed or not in the paper
of the front unit running path.
(6-1-2) Check condition of the mechanical parts
Check the sensor Check if shape and movement of the sensor
lever of the WR levers have any abnormality or not.
sensor.
(6-1-3) Check condition of electrical parts
Check the detection Confirm that the sensor signals are normally
condition of the detected by using the SWITCH SCAN
sensor signal. function of the self-diagnostic mode.
Check the sensor Check the following signal by using the CU/
lever of the WR PU board RGSNS connector
sensor.
7. TROUBLESHOOTING PROCEDURES
Action in case of NG
Remove the jammed
paper.
Replace the sensor
lever with the good
sensor lever.
Replace the CU/PU
board, or appropriate
sensor(s) or
connection cord(s).
Replace the sensor.
⑯
:
7-68