Oki ES9160, Maintenance Manual

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ES9160 MFP / ES9170 MFP © 2012 OKI DATA CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
8 - 50
[EB50] Paper left on the transport path due to multiple feeding
When the paper is fed from the upper drawer:
When the paper is fed from the bypass tray:
Classification Error content
Paper transport jam The multiple feeding of preceding paper caused the misfeeding of
upcoming paper.
Proce
dure
Check item Result Measure
Next
Step
1 ADU Open the ADU and remove paper if there is
any on the transport path. 2
2
Is the registration sensor
working? (Perform the
input check: 03-[FAX]/ON/
[9]/[A]) Yes Check the rollers. Replace them if they are
worn out
No 3
3 LGC board 1. Check if the connector CN316 on the LGC
board is disconnected.
2. Check if the connector pins are
disconnected or the harnesses are open
circuited.
3. Check if the conductor patterns on the LGC
board are short circuited or open circuited.
Parts to be replaced Remark
Registration sensor
LGC board
Rollers on the transport path
Proce
dure
Check item Result Measure
Next
Step
1 ADU Open the ADU and remove paper if there is
any on the transport path. 2
2 Is the 1st transport sensor
working? (Perform the
input check: 03-[FAX]/
OFF/[6]/[A]) Yes 3
No 4
3 Is the registration sensor
working? (Perform the
input check in the test
mode: 03-[FAX]ON/[9]/[A]) Yes Check the rollers. Replace them if they are
worn out
No 5
4 LGC board 1. Check if the connector CN316 on the LGC
board is disconnected.
2. Check if the connector pins are
disconnected or the harnesses are open
circuited.
3. Check if the conductor patterns on the LGC
board are short circuited or open circuited.
4. Replace the 1st transport sensor.
5. Replace the LGC board.