Light quantity adjusting apparatus,...

Details Light quantity adjusting apparatus,... Light quantity adjusting apparatus,...

2005-12-29

2009-11-24

Tran, Huan H (Department: 2861)

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

C399S301000

Reexamination Certificate

active

07623143

ABSTRACT:
Light quantity is adjusted in an image forming apparatus including an image carrier by forming a pattern on the image carrier, detecting a light quantity of a reflecting light from the pattern and outputting a voltage, reading the light quantity of the reflecting light from the pattern detected once based on a present light quantity set, calculating from the light quantity read, a set light quantity corresponding to a target output voltage for printing, and setting the set light quantity calculated.

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