Ricoh A172 - Page 235

NOTE:
Make sure Auto Image Density is
not
selected.
— STANDARD COPY QUALITY IN LETTER MODE —
Step No. Key to Adjust
Level to Refer to on
the C-4 Chart
Adjustment Standard
1
ID MAX
for each color
10
th
level of the color scale
Adjust the ID of the 10
th
level to the
same value as the C-4 test chart.
2
MIDDLE ID
for each color
5
th
level of the color scale
Adjust the ID of the 5
th
level to the
same value as the C-4 test chart.
3
HIGH ID
for each color
8
th
level of the color scale
Adjust the ID of the 8
th
level to the
same value as the C-4 test chart.
4
LOW ID
for each color
2
nd
and 3
rd
level of the color scale
Adjust the ID so that the 2nd level is
not visible, and the 3rd level is the
same value as the C-4 test chart.
NOTE:
If the customer tends to use the "3 COLOR" mode in the user tools
frequently, perform the following color balance adjustment.
1) Enter the User Tools.
2) Open Sensitivity Adjustment "Color Mode" and select "3C".
3) Exit the User Tools and take a full color copy in the letter mode.
4) Adjust the black scale level 3 to 5 (LOW ID) by combining cyan,
magenta, and yellow ID’s to an acceptable shade of gray.
— STANDARD COPY QUALITY IN PHOTO MODE —
Step No. Key to Adjust
Level to Refer to on
the C-4 Chart
Adjustment Standard
1
ID MAX
for each color
10
th
level of the color scale
Adjust the ID of the 10
th
level to the
same value as the C-4 test chart.
2
MIDDLE ID
for each color
5
th
level of the color scale
Adjust the ID of the 5
th
level to the
same value as the C-4 test chart.
3
HIGH ID
for each color
8
th
level of the color scale
Adjust the ID of the 8
th
level to the
same value as the C-4 test chart.
4
LOW ID
for each color
2
nd
and 3
rd
level of the color scale
Adjust the ID so that the 2nd level is
slightly (just) visible and the 3rd level
is the same as the C-4 test chart.
5
Low ID
of Y, M, C
3
rd
, 4
th
, and 5
th
level of the
black
scale
The levels should be an acceptable
shade of grey.
Rev. 10/18/96
⇒
A172/A199 5-6 SM