Ricoh PRO C7210 - Page 61

1.SC Codes
57
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC472-
00
D
Steering control homing error
During homing operation:
 With the initial photo sensor ON, the belt centering motor is driven the
prescribed number of pulses in direction CW, but it fails to change to OFF.
 With the initial photo sensor ON, the belt centering motor is driven the
prescribed number of pulses in direction CCW, but it fails to change to ON.
 Belt Centering Motor error
 Belt Centering Roller HP Sensor error
 Replace the Belt Centering Motor.
 Replace the Belt Centering Roller HP Sensor.
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC474-
00
D
ITB Position Error 1
SC474-
01
D
ITB Position Error 2
SC474-
02
D
ITB Position Error 3
SC474-00
 The absolute value is 800 m or greater after the belt position moving
average process.
 This SC is not applied during belt position initialization and during power ON
startup.
SC474-01
 Front overrun sensor is detected ON 10 times in a row at 10 ms intervals.
SC474-02
 Rear overrun sensor is detected ON 10 times in a row at 10 ms intervals.
SC474-00
 Belt Centering Sensor error
 Steering control mechanism fault
SC474-01
 Initial belt position setting error
 Belt Centering Sensor error
 Front Overrun Sensor error
 Steering control mechanism fault
SC474-02
 Initial belt position setting error