Specifications

2-26. C0F20: AIDC Sensor UN9 Variation Correction Failure
C0F21: AIDC Sensor UN9 Contamination Correction Failure
C0F23: AIDC Sensor UN9 Exposure Correction Failure
Step Check Item Result Action
1
Are PJ4A, CN43 (24P), CN44 (10P) and
CN50 (3P) plugged securely into PWB- A?
NO
•
Plug them in securely.
2
Is the photo receptor/LED of the AIDC
Sensor contaminated?
YES
•
Clean the AIDC Sensor.
NO
•
Change UN9. If the failure
recurs, change PWB-A.
PWB-A
UN9
CN50
CN43
CN44
Symbol Name
UN9
PWB-A
AIDC Sensor
Master Board
1075C25TAA
T-119