Ricoh C226 Service Manual page 43

ELECTRICAL COMPONENTS LAYOUT
INDEX
NAME
No.
Test Switch
47
Main Switch
48
Master Eject Unit Safety
49
Switch (220V machines only)
Master Eject Unit Safety
55
Switch (115V machines only)
Master Cutter Switch
62
65 Drum Rotation Switch
Sensors
3 1st Paper Exit Sensor
5 2nd Paper Exit Sensor
Lower Pressure Plate Sensor Informs the CPU when the pressure plate is at the
23
Full Master Box Sensor
24
Upper Pressure Plate Sensor Informs the CPU if the pressure plate is at the upper
25
30 Master Eject Sensor
34 Master Buckle Sensor
Master End Sensor
35
Paper Table Height Sensor
40
Paper Table Lower Limit
42
Sensor
43 Printing Pressure Sensor
Paper End Sensor
44
50 Drum Rotation Sensor
53 2nd Drum Position Sensor
1st Drum Position Sensor
57
Printed Circuit Board
Main Control PCB
39
C226
FUNCTION
Releases the cover safety functions. (NOTE:)
Turns the power on or off.
Detects when the master eject unit is closed. Cuts
the ac power.
Informs the CPU to cut the master.
Informs the CPU to rotate the main motor at 10 rpm.
Detects paper exit misfeeds.
Detects paper exit misfeeds.
lower limit position.
Informs the CPU when the master eject box is full of
used masters.
limit position.
Detects master eject jams.
Detects master buckling.
Informs the CPU when the plotter unit has run out of
master material.
Detects when the paper table reaches the paper
feed position.
Detects when the paper table reaches the lowest
position.
Informs the CPU when printing pressure is applied.
Informs the CPU when the paper table has run out of
paper.
Supplies timing pulses to the main board.
Checks the position of the drum.
Checks the position of the drum. (Home position)
Controls all machine functions both directly and
through other boards.
1-18 SM