Oki C9600 Service Manual page 213

A Paper Thickness Error (Err Code 323, 324)
• Is the Paper Thickness Sensor Connector disconnected?
• Is the PATHICK connector on the Sensor Relay PCB (S2S PWB) connected securely?
NO
• YES Is any sensor cable down?
YES
• YES Is 5V output to the Sensor Relay PCB (S2S PWB)?
5V:
PATHICK
NO-(1): Replace the Motor Driver PCB (S2M PWB).
NO-(2) : Replace the Sensor Relay PCB (S2S PWB).
• YES Is a pulse wave between 250 and 350 kHz output to the Pin 2 of the PATHICK
connector on the Sensor Relay PCB (S2S PWB)? (When the Belt Motor is not running.)
(As an oscilloscope is used, this cannot be checked on site.)
NO
• YES Is the error reset after power is turned on and medium detection is performed?
NO
• YES End
42930511TH Rev. 2
Connect the connector properly.
Replace the cable.
PATHICK Pin 3 0V:
FSNS Pin 1
Output of 5V
Judgement
FSNS
OK OK Normal
NG NG Abnormal
NG OK Abnormal
Replace the Paper Thickness Sensor.
Replace the Paper Thickness Sensor.
PATHICK Pin 1
FSNS Pin 9
Action
YES
NO-(1)
NO-(2)
Oki Data CONFIDENTIAL
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