Ricoh MP 2014 - Page 206

SC Code Descriptions
SM 6-8 D245/D246/D247
SC No. Level Error Name/Error Condition/Major Cause/Solution
220-00 B Laser synchronization detection error
An error of the laser synchronizing is detected at the LD lighting.
 The interface harness to the synchronization detection unit
damaged or not connected correctly.
 Synchronization detection board defective
 Beam does not enter photo detector.
 Check the harness of the laser unit (disconnected, etc.).
 Check if the laser unit connector is connected.
 Replace the interface harness of the laser unit.
 Replace the laser unit.
 Replace the MPU.