Oki Data CONFIDENTIAL
42615101TH Rev.8 204 /
7.5.2.(4) Paper Feed Jam (Error 390:Multi-purpose Tray)
(4-1)Paper feed jam occurs right after turning on the power (Multi-purpose Tray)
Paper path route for Multi-
purpose Tray
Check sensor levers at the
entrance sensor 2 and WR
sensor
Confirm condition of the
sensor signal detection
Check output levels of the
entrance sensor 2 and WR
sensor
Check the power of a front
sensor board (RSF PCB)
Confirmation Tasks
Check paper is not jammed in a path route.
Confirm that there is no abnormality in the shape of the sensor
lever and in the operation.
Confirm a sensor signal is correctly detected by the WITCH
SCAN function of the Self-diagnostic Mode.
Check the following signals with FSNS connector of PU board
(PRN PCB).
2pin:WR Sensor
3pin:Entrance Sensor 2
Confirm that the above signals operate a sensor lever and vary.
Check V5 power with CN connector of a front sensor board
(RSF PCB).
5pin:5V Power
1pin:0VL
Action at NG
Remove jammed paper.
Exchange to a normal
sensor lever.
Exchange PU board
(PRN PCB), Front
sensor board
(RSF PCB) or a
connection board.
Exchange a front
sensor board
(RSF PCB).
Exchange a connection
cord.
(4-1-2)Confirm status of mechanical parts
(4-1-1)Check a path route
(4-1-3)Confirm electric parts
Confirmation Items