Oki ES9160, Maintenance Manual

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© 2012 OKI DATA CORPORATION All rights reserved ES9160 MFP / ES9170 MFP
ERROR CODE AND TROUBLESHOOTING
8 - 121
[C180] LCF tray-up motor is abnormal
Classification Error content
Paper feeding system related service
call LCF tray-up motor is abnormal
Proce
dure
Check item Result Measure
Next
Step
1 Does the tray move?
(Perform the output check
in the test mode: 03-271) Yes 2
No 1. Does the tray move? (Perform the output
check in the test mode: 03-271)
2. Check if the connector of the LCF tray-up
motor is disconnected.
3. Check if any of the connectors CN1 and
CN5 on the LCF board is disconnected.
4. Check if the connector CN318 on the LGC
board is disconnected.
5. Check if the connector pins are
disconnected and the harnesses are open
circuited.
6. Check if the conductor patterns on the LCF
board and LGC board are short circuited or
open circuited.
7. Replace the LCF board.
2 Are the LCF tray bottom
sensor and LCF tray-up
sensor working?
(Perform the input check
in the test mode: 03-
[FAX]OFF/[5]/[A], /[5]/[B]) Yes 3
No 1. Check if the connectors of the sensors are
disconnected.
2. Check if any of the connectors CN1, CN2
and CN6 on the LCF board is disconnected.
3. Check if the connector CN318 on the LGC
board is disconnected.
4. Check if the slit reaches the sensors.
5. Check if the connector pins are
disconnected and the harnesses are open
circuited.
6. Check if the conductor patterns on the LCF
board and LGC board are short circuited or
open circuited.
7. Replace the LCF board.
8. Replace the LGC board.
3 LGC board 1. Check if the conductor pattern on the LGC
board is short circuited or open circuited.
2. Replace the LGC board.
Parts to be replaced Remark
LCF board
LGC board
LCF tray-up moto
LCF tray-up sensor