Paper Running Jam (Error Code 381:); Jam Occurs Immediately After The Power Is Turned On; Jam Occurs Immediately After The Paper Feed Is Started; Two-Sided Printing Jam (Error Code: 370, 371, 372, 373, 383) - Oki MB461 Maintenance Manual

Oki Data CONFIDENTIAL

8.5.5. (6) Paper running jam (Error code 381:)

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

Check item
(6-1-1) Check condition of paper running path
Paper running path Open the rear cover and top cover check if paper
of the ejection unit is not jammed in the paper running path.
(6-1-2) Check condition of the mechanical parts
Ejecting sensor Does the ejecting sensor lever work normally?
(It moves freely by touching.)
Clean a sensor.

(6-2) Jam occurs immediately after the paper feed is started.

Check item
(6-2-1) Check condition of paper running path
Paper running path Open the rear cover and top cover check if paper
of the ejection unit is not jammed in the paper running path.
(6-2-2) Check condition of the mechanical parts
Paper ejection roller Is the paper ejection roller appropriately
installed?
Paper ejection Is the paper ejection spring appropriately
spring installed?
Cover-Assy Rear or Replace Cover-Assy Rear.
fuser unit Assy.
44871001TH Rev.6
Check operation Actions for NG
results
Remove the
paper
Replace the
ejecting sensor.
Replace the main
board.
Check operation Actions for NG
results
Remove the
paper
Install the paper
ejection roller
appropriately.
Install the paper
ejection spring
appropriately.
Replace fuser
unit Assy.

8.5.5. (7) Two-sided printing jam (Error code: 370, 371, 372, 373, 383)

(7-1) Two-sided printing jam.

Check item
(7-1-1) Check condition of the paper running path
Paper running path Check if paper is jammed or not in the paper
of the Duplex unit running path.
Open the front cover and check if any paper
remains in the Duplex feeder or not.
Open the rear cover and check if any paper
remains in the paper reversing path or not.
Remove the Duplex unit. Check if any paper
exists in the Duplex insertion slot or not. Open
the cover of the Duplex paper running path and
check if any paper remains inside of the Duplex
unit.
8. TROUBLESHOOTING PROCEDURES
Check operation
Actions for NG
results
Remove the
jammed paper.
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