Adjustment Reference For Gamma Correction - Ricoh V-C3 D081 Field Service Manual

4. Replacement and Adjustments
*1200 x 1200 Photo (Default)
1800 x 600 Photo
1200 x 1200 Text
1800 x 600 Text
Printer SP Mode: SP1104
Note: These are Printer SP Mode settings, not System SP Mode Settings.
4
Highlight
Middle
Shadow
IDmax
Adjustment Procedure
1. Do the ACC adjustment for the printer mode.
2. Turn the main power off and on.
3. Enter SP mode.
4. Touch "Printer SP"
5. Select SP1102 (Resolution Settings) and select the print mode that you want to adjust.
6. To review the image quality for these settings, do SP1103 002 (Color Pattern) to print out a color
tone control test sheet.
7. Adjust the color density with SP1104 as shown below while comparing the tone control test sheet
with the C4 test chart.
• Always adjust the density in order: ID Max> Middle> Shadow> Highlight.

Adjustment Reference for Gamma Correction

The following tables show the adjustment reference for gamma correction. The tables show the level of the
color scale on the C4 test chart and on the tone control test sheet printed in the printer SP mode. For example,
for K at text mode, grade 12 on the tone control test sheet should be the same as grade 7 on the C4 chart.
518
2400 x 600 Photo
600 x 600 Photo
2400 x 600 Text
600 x 600 Text
K
SP1104 001 SP1104 021
SP1104 002 SP1104 022
SP1104 003 SP1104 023
SP1104 004 SP1104 024
C M
SP1104 041
SP1104 042
SP1104 043
SP1104 044
Y
SP1104 061
SP1104 062
SP1104 063
SP1104 064