Ricoh Aficio SP C231, Service Manual, Page: 37 / 247

ELECTRICAL COMPONENT LAYOUT
1-16
C231 SM
Index No. Name Function
5 Platen Cover Sensor Detects whether the platen cover is open or
closed.
6 Scanner Home Position
Sensor Detects when the image sensor is at home
position.
8 Master Set Cover
Sensor Checks if the master set cover is set.
10 Master End Sensor Informs the CPU when the master making unit
runs out of master roll.
11 Paper Height Sensor Detects when the paper table reaches the paper
feed position.
13 Paper Registration
Sensor Detects paper approaching the registration
roller.
15 Paper End Sensor Informs the CPU when the paper table runs out
of paper.
14 Cutter Home Position
Sensor (Switch) Detects when the cutter is at the home position.
Counters
Index No. Name Function
22 Paper and Master
Counters Keep track of the total number of copies and
masters made.
Others
Index No. Name Function
47 Paper Feed Clutch Transmits main motor drive to the paper feed
roller at the appropriate time.
12 Thermal Head Burns the image onto the master.