8)Paper Size Error (Error 400); Paper Size Error (Error 400); Duplex Print Jam Occurs In The Duplex Input; Paper Is Not Fed To A Resist Roller From Duplex Section - Oki C3200n Service Manual

(7-4)Duplex print jam occurs in the Duplex input

Confirmation Items
(7-4-1)Check a sensor lever operation
Dup-R,Dup-F Sensor Lever
(7-4-2)Confirmation of the sensor
Confirm condition of the
sensor signal detection

(7-5)Paper is not fed to a Resist roller from Duplex section

Confirmation Items
(7-5-1)Check the operational condition of the clutch
Duplex Clutch
7.5.2.(8)

Paper Size Error (Error 400)

(8-1)Paper jam occurs when the end of paper is near IN1 sensor.

Confirmation Items
(8-1-1)Check a paper feed condition
Overlapping paper
Paper Size
Entrance Sensor 1
42615101TH Rev.8
Confirmation Tasks
Confirm an operation of the sensor lever after removing the
Duplex unit.
Confirm a sensor signal is correctly detected by the SWITCH
SCAN function of the Self-diagnostic Mode.
Other than Dup-IN sensor, confirm a detection status of the
sensor under the both conditions that paper is set in the Duplex
unit and not set in.
Confirmation Tasks
Check the performance of the Duplex clutch with Motor & Clutch
test of the Self-diagnostic Mode.
Check by sounds.
Confirmation Tasks
Confirm that paper is not overlapped, opening the front cover.
Confirm that paper size specified for printing corresponds to
paper size set in a tray.
Confirm that there is no abnormality in the shape of the sensor
lever and in the operation.
Oki Data CONFIDENTIAL
Action at NG
Exchange a sensor
lever.
Exchange a Duplex
board (V7X PCB), each
sensor or a connection
cord.
Action at NG
Exchange a V7X board
or clutch.
Action at NG
Exchange the top part
of the Sheet-Receiver if
the same thing occurs
again after a jammed
paper is removed.
Change specified
paper size or paper
size set in a tray.
Exchange to a normal
sensor lever.
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