Ricoh D454-17, Manual

Page: 163 / 164

Sensors
S Stopper 3 Paper Sensor
Checks for the presence of paper at power on.
Also checks for jams during paper feed. Used to
create the timing that operates the 2nd fold motor
during FM6 folding..
S Stopper 3 HP Sensor
Detects when Stopper 3 is in and out of its home
position.
Switches
SW Breaker Switch -
SW
Front Door Switch
(SW1) Detects when the front door is opened or closed. When the front
door is opened the interlock switch cuts off the 24V power supply.
Solenoids
SOL Top Tray JG Solenoid
Operates the junction gate that sends the paper to the
top tray after the direction of the paper has been
reversed up and out of the horizontal paper path.
SOL Exit JG Solenoid
Operates the exit junction gate that directs paper from
the multi-fold unit to the exit for the downstream unit
or to the exit for the folded paper tray.
SOL Reverse JG Solenoid
Operates the junction gate that opens the horizontal
feed path to paper sent from the fold crease unit.
SOL LE Stop Pawl Solenoid
Operates the pawl that prevents bending of the
leading edge while the paper is being folded in the
2nd fold unit.
SOL Bypass JG Solenoid
Operates the bypass junction gate which directs
paper from the 2nd fold unit to either the bypass or
the 3rd fold unit.
Boards
PCB PSU
Supplies the 24V power for the operation of the motors and solenoids,
and the 5V power for the main board and sensors.
PCB PSU Fan Cools the PSU.
Electrical Components
161
2