Printer Color Correction - Tektronix PHASER 560 Service Manual

5
Theory of Operation

Printer color correction

5-16 Phaser 560 Color Printer
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Manual . The color density of each primary color can be selectively altered by
the user. Color adjustments can be made manually using front panel Calibrate
Colors menu. This involves printing a reference page, comparing the reference
page to sample colors on the printer's Quick Reference Card and entering value
changes through the front panels. This process is described in the Phaser 560
Color Printer User Manua l and well as in the Chapter 9 topic, "Manually setting
color corrections" on page 9-13. The changes are sent to the image processor
board, which makes calculations and then downloads a color correction table to
the print engine control board. The color correction table indicates the exact
laser beam pulse duty cycle to the desired colors.
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