Ricoh Aficio SP 100 Service Training page 31

Control Structure – M102
The illustration
shows the
overall control
structure of the
M102 (3in1).
Main
Board
Debug
I/F
LDB = Laser diode board
Fu Therm = Fusing thermistor
Regist sensor = Registration sensor
I/L SW = Interlock switch
CIS = Contact image sensor
High
voltage
board
Polygon
LDB
motor
M
ID chip
Main
Fu Therm /
Regist
M
motor Exit sensor sensor
31
Power
supply
unit
Feed
solenoid
Debug I/F
I/L SW
Operation
panel
USB
Debug I/F
Motor
CIS
Scanner