Sharp AR-FN8 Service Manual page 217

Name
Photointerruptor
Notation
PI1S Detects clock pulses from the paper pushing plate motor
PI2S Detects the state (open) of the front cover
PI3S Detects the state (open) of the delivery cover
PI4S Detects clock pulses from the paper folding motor
PI5S Detects the alignment plates at home position
PI6S Detects paper on the tray
PI7S Detects paper positioning plate at home position
PI8S Detects paper on the paper positioning plate
PI9S Detects the state (open) of the inlet cover
PI11S Detects paper in the delivery area
PI12S Detects the phase of the crescent roller
PI13S Detects the guide at home position
PI14S Detects the paper pushing plate at home position
PI15S Detects the paper pushing plate at top position
PI16S Detects the state (in) of the stitcher unit
PI17S Detects paper in the vertical path
PI18S Detects paper (No. 1; on paper sensor PCB)
PI19S Detects paper (No. 2; on paper sensor PCB)
PI20S Detects paper (No. 3; on paper sensor PCB)
PI21S Detects the paper folding at the home position
Table 7-306
CHAPTER 7 TROUBLESHOOTING
Function
7-19