Color image forming apparatus which reduces toner consumption du

Details Color image forming apparatus which reduces toner consumption du Color image forming apparatus which reduces toner consumption du

1994-08-30

1997-07-08

Reinhart, Mark J.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

347254, B41J 2415

Patent

active

056466706

ABSTRACT:
A full-color printer which reduces toner consumption by lowering the overall image density without changing the overall image tonality. An invalid data masking unit 31 masks non-printing area of a image signal 39 outputted from a FIFO buffer 30, and outputs the masked image data into a toner-saving image converter 32. The toner-saving image converter 32 zigzag masks the image signal every other pixel in main-scanning and subscanning directions based on a toner-saving mode designation signal A from a CPU 38. The masked image signal density is "00[H]". Thereafter, a .gamma. corrector 35 .gamma. corrects the masked image signal, and a PWM 36 performs pulse-width modulation on the .gamma.-corrected image signal. Image output is made by driving a semiconductor laser 120 with the pulse-width modulated signal.

REFERENCES:
patent: 5343312 (1994-08-01), Hibi et al.
patent: 5457540 (1995-10-01), Kajita

Affiliated with

Also associated with

Rating

Color image forming apparatus which reduces toner consumption du does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Color image forming apparatus which reduces toner consumption du, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Color image forming apparatus which reduces toner consumption du will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2411440