Ricoh M160 - Page 248

Service Call
M160/M161 6-4 SM
SC No. Level Error Name/Error Condition/Major Cause/Solution
Turn the main power OFF and then ON.
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC121 D
Scanner home position error 2
The scanner home position sensor does not detect the scanner
coming back to the home position.
 Defective scanner home position sensor
 Defective scanner home position sensor harness
 Defective scanner motor driver
 Defective scanner motor
Turn the main power OFF and then ON.
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC141 D
Black level correction error
The automatic adjustment has failed to correct the black level to
the permissible range.
 Defective SBU board
 Defective harness
Turn the main power OFF and then ON.
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC142 D
White level correction error
The automatic adjustment has failed to correct the white level to
the permissible range.
 Defective scanner drive
 Defective optical section
 Defective SBU board
 Defective harness
Turn the main power OFF and then ON.