Feed Jam (Error Code: 380, 381); Jam Occurs Immediately After The Power Is Turned On; Jam Occurs Immediately After The Paper Feed Is Started - Oki MB472w Maintenance Manual

Oki Data CONFIDENTIAL

2.5.5. (4) Feed jam (Error code: 380, 381)

(4-1) Jam occurs immediately after the power is turned on.

Check item
(4-1-1) Check condition of paper running path
Paper running path Open the front cover check if paper is not
of the front unit jammed in the paper running path.
(4-1-2) Check condition of the mechanical parts
Write sensor Does the write sensor lever work normally?
(It moves freely by touching.)
Clean a sensor.
45762101TH Rev.1
Check operation Actions for NG
results
Remove the
paper
Replace the
paper sensor
plate.
Replace the main
board.

(4-2) Jam occurs immediately after the paper feed is started.

Check item
(4-2-1) Check condition of paper running path
Paper running path Open the front cover check if paper is not
of the front unit jammed in the paper running path.
(4-2-2) Check condition of the mechanical parts
Write sensor Does the paper reach the write sensor lever?
Does the ejection sensor lever work normally?
(It moves freely by touching.)
Is theIN_WR connector of the main board
connected properly?
Clean the write sensor
Paper feed roller Does the paper feed roller rotate?
Is the image drum cartridge appropriately set?
2. TROUBLESHOOTING PROCEDURES
Check operation Actions for NG
results
Remove the
paper
YES:
Go next question.
NO:
Go Check paper
feed roller.
Replace the write
sensor lever.
Connect the
IN_WR connector
properly.
Replace the main
board.
Replace Paper
Feed Roller or
Paper Feed
Clutch.
Set the image
drum cartridge
appropriately.
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