Ricoh D093 - ID Sensor Auto Adjustment Error; ID Sensor Vsg Error; Sc400

Service Call Tables
SM 7-19 D093/D094
Trouble-
Shooting
7.3.4 SC400
Group 4 SC codes are also related to image making.
400 D ID Sensor Auto Adjustment Error
Vsg did not reach 4 ±0.2 V when the ID sensor was initialized with
SP3001-2.
 ID sensor dirty
 ID sensor harness, connector loose, disconnected, damaged, defective
 ID sensor defective
 MCU defective
 Development unit defective
 CGB power pack defective
401 D ID Sensor Vsg Error
The Vsg level was twice detected lower than 2.5 V.
-or-
The Vsg level was once detected higher than 4.8V.
 ID sensor dirty
 ID sensor harness, connector loose, disconnected, damaged, defective
 ID sensor defective
 MCU defective
 CGB power pack defective