Exposure Lamp Control Circuit - Ricoh A151 Field Service Manual

OPTICS
9.2 BASE LAMP VOLTAGE IN MANUAL IMAGE DENSITY
MODE
SP48 sets the exposure lamp data for level 4 (Vo) of manual image density
mode. A value from 100 to 170 can be selected.

9.3 EXPOSURE LAMP CONTROL CIRCUIT

The circuit is different from the A151 and A152 copiers at the indicated
locations (dashed circles).
T401
A203D503.wmf
A203D504.wmf
SM 8-15 A202/A203