Ricoh D454-17, Manual

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Motors
M FM6 Pawl Motor
Drives the double-flap pawl that prevents bending of
the leading edge when the 3rd fold is executed for
FM6 folding (Fourths with 2 Flaps In)
M Stopper 3 Motor
Moves Stopper 3 to the correct position for folding
according to the paper size.
M 2nd Fold Motor
Drives 3rd fold roller. Reverses when the paper does
not pass through the 3rd fold unit.
M Crease Motor Drives the crease rollers.
Sensors
S Top Tray Exit Sensor
Checks for the presence of paper at power on.
Detects paper jams at the exit of the top tray. Used
to create timing for control of paper fed to the top
tray.
S Entrance Sensor
Checks for the presence of paper at power on.
Detects paper jams of paper fed from the upstream
unit. Used to create timing for operation of the shift
roller during multiple-sheet folding.
S Entrance JG HP Sensor
Detects when the entrance junction gate is in and
out of its home position.
S Horizontal Path Paper Sensor Checks for the presence of paper at power on.
S Top Tray Paper Path Sensor
Checks for the presence of paper at power on.
Also checks for jams during paper feed.
S Top Tray Full Sensor (E) Detects when the top tray is full.
S Top Tray Full Sensor (R) Detects when the top tray is full.
S Horizontal Path Exit Sensor
Checks for the presence of paper at power on.
Checks for paper jams when paper exits to the
downstream unit. Used to create timing for paper
exit to the downstream unit.
S Vertical Path Paper Sensor Checks for the presence of paper at power on.
Electrical Components
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