Solenoids; Switches; Sensors - Ricoh C231 Service Manual

Solenoids

Index No.
43 Rear Pressure Release
Solenoid
20 Front Pressure Release
Solenoid

Switches

Index No.
49 Scanner Unit Safety
Switch
9 Master Making Unit
Cover Safety Switch
16 Table Lowering Switch
21 Test Switch
23 Door Safety Switch
24 Main Switch
NOTE: When you use this test switch, be sure to return it to the default position
after servicing.

Sensors

Index No.
50 Master Eject Position
Sensor
51 Paper Exit Timing
Sensor
48 Feed Start Timing
Sensor
26 Master Eject Sensor
28 Pressure Plate Limit
Sensor
27 Pressure Plate Home
Position Sensor
29 Drum Master Sensor
32 Eject Box Set Sensor
33 Paper Exit Sensor
37 2nd Feed Timing
Sensor
38 Clamper Open Sensor
41 Clamper Close Sensor
45 Table Lower Limit
Sensor
SM
Name
Releases the press roller to apply printing
pressure.
Releases the press roller to apply printing
pressure.
Name
Checks whether the scanner unit is properly set.
Checks whether the cover on the master making
unit is properly closed.
Lowers the paper table.
Releases the cover safety functions. (See the
notes below this table.)
Checks whether the front door is properly
closed.
Turns the power on or off.
Name
Detects when the drum is at the master eject
position.
Determines the paper exit misfeed check timing.
Determines the paper feed start timing.
Detects used master misfeeds.
Detects if the pressure plate is in the lowest
position.
Detects if the pressure plate is at the home
position.
Detects if there is a master on the drum.
Checks if the master eject box is set.
Detects paper misfeeds at the exit.
Determines the paper misfeed check timing at
the paper registration area.
Detects if the clamper is in the open position.
Detects if the clamper is in the closed position.
Detects when the paper table is at its lower limit
position.
1-15
ELECTRICAL COMPONENT LAYOUT
Function
Function
Function
C231/C237/C238