Ricoh BR-C1a Basic Service Training page 165

 SIO (Scanner Interface Board). Controls motors and
circuits of the scanner unit.
 SBU (Sensor Board Unit). Contains the CCD that processes
analog image data and converts it to digital data.
 CGB (Charge, Grid, Bias) Power Pack. Generates high
voltage DC supply for image creation.
 Transfer Power Pack. Generates high voltage DC supply to
the image transfer unit
 Separation Power Pack. Generates high voltage DC output
for the paper transfer unit.
 DRB (Drive Board). Controls the motors and circuits of the
registration unit.
 LDB (Laser Drive Board). Controls the LD unit, including
VCSEL.
 OPU (Operation Panel Unit). Controls the operation panel.
Slide 165
No additional notes
Summary of Board Functions - 2
165
BR-C1 Training