Ricoh C231 Service Manual page 292

No.
E-12 Pressure Plate Motor Failure
The pressure plate home position sensor signal is
not detected within 4 seconds after the pressure
plate motor turns on.
E-13 Scanner Malfunction
The scanner HP sensor does not turn on after the
scanner motor moves for more than 7 seconds
back to the home position after scanning.
The scanner cannot leave the home position within
4 seconds of power on.
When the scanner cannot return to the home
position within 2 seconds of leaving.
E-14 IPU error
Signal transmission error (from the IPU) occurred in
the MPU.
*E-21 Paper exit timing sensor remains off
The paper exit timing sensor does not activate
before the master eject position sensor activates.
*E-22 2nd feed timing sensor remains off
The 2nd feed timing sensor does not activate
before the paper exit timing sensor activates.
*E-23
Master eject position sensor remains off
The master eject position sensor does not activate
before the feed start timing sensor activates.
*E-24 Feed start timing sensor remains off
The feed start timing sensor does not activate
before the 2nd feed timing sensor activates.
C231/C237/C238
Description/Definition
4-2
SERVICE CALL CODES
Points to Check
Mechanical interference
with the pressure plate
drive
Pressure plate motor
Pressure plate HP
sensor
Mechanical interference
with the scanner
Defective scanner HP
sensor
MPU
Paper exit timing sensor
2nd feed timing sensor
Master eject position
sensor
Feed start timing sensor
SM