Canon Paper Folding Unit-J1 Service Manual page 52

2. Technical Explanation
Leading edge
SOL5
stopper
C-fold stopper
S33
solenoid
Upper stopper
paper sensor
Leading edge
pushing guide
M5
Inlet motor 1
S30
Slowdown timing sensor
M12
Inlet motor 2
SOL3
S31
Release timing sensor
Fold/Separation Solenoid
M15 CL4
Folding position Folding position
adjustment motor adjustment
back clutch
SOL4
Folding tray flapper solenoid
46