Ricoh MP C6502SP Field Service Manual page 1356

5. Troubleshooting
6. Press the "Copy Window" button on the bottom left, then take a copy of the C-4 test chart.
Then compare the gradation patch pattern on the copied image and the C-4 test chart.
Step Output ID
ID max
1
(K/C/M/Y)
Middle
2
(K/C/M/Y)
Shadow
3
(K/C/M/Y)
Highlight
4
(K/C/M/Y)
1354
C-4 chart level
1 2 3 4 5 6
1 2 3 4 5 6
1 2 3 4 5 6
1 2 3 4 5 6
Adjustment Reference
Adjust the 'Offset' value so that
1
the density of level 10 in the
7 8 9
0
gradation patch pattern on the
copy becomes the same as
level 10 on the C-4 chart.
Adjust the 'Offset' value so that
1
the density of level 6 in the
7 8 9
0
gradation patch pattern on the
copy becomes the same as
level 10 on the C-4 chart.
Adjust the 'Offset' value so that
1
the density of level 8 in the
7 8 9
0
gradation patch pattern on the
copy becomes the same as
level 10 on the C-4 chart.
Adjust the 'Offset' value so that
1
dirty background is not visible
7 8 9
0
on the copy and the density of
level 3 is slightly lighter that of
level 3 on the C-4 chart.