Canon Paper Folding Unit-J1 Service Manual page 35

3. Folding operation
• The folding position adjustment feed clutch (CL3) turns off and the folding position adjustment back clutch (CL4) turns
on.
• TheFold/Separation Solenoid (SOL3) turns off 150 ms after the Fold/Separation Solenoid (SOL3) turned on.
• The inlet motor 1 (M5) and inlet motor 2 (M12) start turning at a speed of 400 mm/s[mm/s] after elapsing by 150 ms
since the Fold/Separation Solenoid (SOL3) turned off.
• A loop is formed at the registration roller, starting the first fold operation.
• The release timing sensor (S31) turns off to turn off the folding position adjustment back clutch (CL4).
• The leading edge of the first fold bumps against the leading edge stopper, starting the second fold operation.
adjustment motor
S31
Release timing sensor
CL4
Folding position
adjustment
M15
back clutch
Folding position
CL3
Folding position
adjustment
feed clutch
Fold/Separation Solenoid
Leading edge
stopper
SOL3
Fold/Separation
Solenoid
M11
Folding feed motor
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2. Technical Explanation
SOL3