Oki Data CONFIDENTIAL
43163501TH Rev. 1
143 /
7.5.2.(5)
Paper transport jam (Error 381)
(5-1)
Transport jam occurred immediately after turning on the printer.
Paper-feeding route inside the
front unit
Check the sensor lever of the
WR sensor.
Check the condition of sensor
signal detection.
Check the output level of WR
sensor.
Check the power supply of
front sensor board (MIP PCB).
Confirmation Tasks
Check whether the paper jam occurred during the route.
Check whether there is something abnormal about the form of
sensor lever and its movement.
By using the switch scanning test function of the maintenance
utility, check whether the sensor signal has been normally
detected.
Check the following signals of FSNS connector of main board
(BLA PCB).
4pin: WR sensor
Operate and adjust the sensor lever in order to check the signal
level.
Check the power supply of 5V of CN connector of front sensor
board (MIP PCB).
1pin: 5V power supply
5pin: 0VL
Action at NG
Remove the jammed
paper.
Replace the sensor
lever with a new one.
Replace the main
board (BLA PCB) or
front sensor board (MIP
PCB) or the connecting
cable with new one.
Replace the front
sensor board (MIP
PCB) with a new one.
Replace the
connecting cable with
a new one.
(5-1-2) Check the mechanical parts’ condition
(5-1-1) Check paper-feeding route condition
(5-1-3) Check the electrical parts’ condition
Confirmation Items
Содержание C3400n
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