Oki ES9160, Руководство по обслуживанию

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ERROR CODE AND TROUBLESHOOTING
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[CB30] Movable tray shift motor (M5) abnormality
MJ-1033
[CB31] Movable tray paper-full detection error
MJ-1101
Error Timing of detection
Movable tray shift motor
Movable tray shift motor clock sensor The status of the movable tray shift motor clock sensor (S15) is not
changed for the specified time when the movable tray shift motor (M5)
is driven.
Probable cause Checking and measures
Movable tray shift motor (M5)
abnormality
Check if the electrical continuity of the coil is normal. If electricity is not
conducted, replace the motor.
Movable tray shift motor clock sensor
(S15) abnormality Measure the voltage on pin CN7.3 on the finisher control PC board
(FIN). Then check that the measured voltage is 1V or lower when not
shielded and within the range of 3.3V
±
5% when shielded. If the voltage
does not fall within the range mentioned, replace the sensor.
Movable tray upper limit sensor
(S16) abnormality
Measure the voltage on TP35 on the finisher control PC board (FIN).
Then check that the measured voltage is 1V or lower when not
shielded and within the range of 3.3V
±
5% when shielded. If the voltage
does not fall within the range mentioned, replace the sensor.
Movable tray lower limit sensor (S17)
abnormality Measure the voltage on TP28 on the finisher control PC board (FIN).
Then check that the measured voltage is 1V or lower when not
shielded and within the range of 3.3V
±
5% when shielded. If the voltage
does not fall within the range mentioned, replace the sensor.
Movable tray middle sensor (S18)
abnormality
Measure the voltage on TP29 on the finisher control PC board
(FIN). Then check that the measured voltage is 1V or lower
when not shielded and within the range of 3.3V
±
5% when shielded. If the voltage does not fall within the range
mentioned, replace the sensor.
Faulty cables and connectors Check if the electrical continuity among the connector terminals is
normal. If electricity is not conducted, replace the connectors. (Finisher
control PC board (FIN): CN11, CN7, CN9, CN8)
Finisher control PC board (FIN)
abnormality
If the error still occurs after replacing the motor, sensors and
connectors, exchange the finisher control PC board (FIN).
Classification Contents
Finisher related service call Movable tray paper-full detection error: The actuator of the
movable tray paper-full detection sensor does not move
smoothly.
Check Item Measure
Movable tray paper-full detection
sensor (S16) • If there is mechanical problem when the actuator is moved,
fix the mechanism.
• Sensor check
• Check the connectors and harnesses between the movable
tray paper-full detection sensor (S16) and the finisher
control PC board (CN13).
Replacement part Measure
Movable tray paper-full detection
sensor (S16)
Finisher controller PC board