Oki Data CONFIDENTIAL
42615101TH Rev.8 215 /
(7-2)Duplex print jam occurs in the Duplex entry
Duplex Solenoid
Separator DUP
(Switch gate of output/ DUP
input after fusing)
Timing of ON/OFF for Duplex
solenoid
Dup-IN Sensor Lever
Dup-IN Sensor
Reversal transporting path
Duplex Motor
Duplex Retracting/Reversal
roller and the pinch roller
Confirmation Tasks
Check an operation of the Duplex solenoid with Motor & Clutch
of the Self-diagnostic Mode.
Confirm that an operation of the gate with Motor & Clutch of the
Self-diagnostic Mode with eyes (EXIT SOLENOID), whether the
operation is smooth or the opening and closing is proper.
Confirm that a timing of opening the separator DUP is appropriate
through test print under the condition that cover is open.
By touching, confirm whether a Dup-IN sensor lever is smooth,
opening a rear cover.
Confirm a sensor signal is correctly detected by the SWITCH
SCAN function of the Self-diagnostic Mode.
Confirm that there is no obstacle such as paper piece and burr.
Check an operation of Duplex motor with Motor& Clutch of the
Self-diagnostic Mode.
Confirm with rotation of the roller opening the rear cover.
Confirm that retracting/reversal roller of the Duplex unit touches
a pinch roller of the cover when a rear cover of the Duplex unit
is closed. (a pinch roller is rotating while the roller is rotating.)
Action at NG
Exchange a V7X board
or solenoid.
Exchange the
Separator DUP.
Exchange a WR sensor
lever or solenoid.
Exchange a Dup-IN
Sensor Lever.
Exchange a Duplex
board (V7X PCB), each
sensor or a connection
cord.
Remove obstacles.
Exchange a V7X board
or motor.
Exchange the rear
cover.
(7-2-2)Check a sensor lever operation
(7-2-4)Confirm condition of the motor operation
(7-2-1)Check a solenoid operation
(7-2-3)Check a path route
Confirmation Items
(7-3)Duplex print jam occurs in reverse of the paper
Dup-IN Sensor Lever
Dup-IN Sensor
Duplex motor
Confirmation Tasks
By touching, confirm whether a Dup-IN sensor lever is smooth,
opening a rear cover.
Confirm a sensor signal is correctly detected by the SWITCH
SCAN function of the Self-diagnostic Mode.
Check that paper is in reverse from a slit of the rear cover with
eyes.
Confirm that a planet gear in the Duplex unit operates smoothly
when reversal operation is not implemented.
Action at NG
Exchange a Dup-IN
Sensor Lever.
Exchange a Duplex
board (V7X PCB), each
sensor or a connection
cord.
Exchange a planet
gear.
(7-3-1)Check a sensor lever operation
(7-3-2)Confirm condition of the motor operation
Confirmation Items
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