To Change The Value Of The Γ Correction Data; For Letter Mode - Ricoh A172 Service Manual

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9.2 To change the value of the γ correction data.

1. Enter the SP mode and touch No.8 SP Printer.

2. On page 1 (Halftone mode) or page 2 (Contone mode), change the

OFFSET values as follows.

In the "=Halftone=" screen (page 1) of the SP mode, adjust the 11th levels

for the colors that need adjusting by changing only the ID MAX setting in the

OFFSET column.

NOTE: The ID MAX OFFSET setting should be between 0 and 4.

Do not change the data in the STEP columns; these must remain at

the default settings.

Do not change the H, M, or L settings in the OFFSET column. Such

changes will have no effect on the printout, because the various

colors in the H, M, and L ranges are produced by dithering (the laser

is switched on and off to produce dither patterns).