Sharp AR-C360P Service Manual page 142

3 Paper Size Error
• Is standard size paper used?
NO
• YES Is there a jam at the Entrance FF Sensor or Paper Width Sensor?
YES
• NO Does Entrance FF Sensor Lever operate normally?
NO
• YES Does the Entrance FF Sensor operate normally? (Activate the sensor lever, then
check the signal of the Engine PCB (S2V PWB) FSENS connector Pin.)
Pin 4: Entrance FF Sensor
NO
• YES Does the Entrance Belt Sensor Lever operate normally?
NO
• YES Does the Entrance Belt Sensor operate normally? (Activate the sensor lever, then
check to see that the sensor operates normally throughout the switch scan test in
the System Maintenance Mode. Also check the signal of the Engine PCB (S2V PWB)
FSENS connector Pin.)
Pin 6: Entrance Belt Sensor
NO
• YES Do all Size Detection PCB (PXC-PWB) Paper Size Detection Switches operate
normally?
(Press the Paper Size Detection Switch, then check the signal of the Engine PCB
PSIZE connector Pin)
Pin 3: Paper Size Detector 1
Pin 4: Paper Size Detector 2
Pin 5: Paper Size Detector 3
Pin 6: Paper Size Detector 4
NO
• YES Check the cable connection, then replace the engine PCB.
Rev. 1
Use standard size paper.
Remove the paper jam.
Replace the defective sensor lever.
Check cable connection, then replace Sensor PCB (R71 PWB).
Replace the defective sensor lever.
Check cable connection, then replace Sensor PCB (R71 PWB).
Check the cable connection, then replace the paper size detector PCB (PXC-
PWB).
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