Ricoh MP C407

Image Adjustment
184
No. Check Area Check Item Description
5 13
gradations
scale
Halftone density Check that the density of each color patch in the 3rd row in the chart
and the copy are the same.
Gray balance
Check that the K density of the 3rd and 5th rows in the chart and the
copy are the same.
Gradation On the copy, check that the densities of each color patch in the 11th
and 12th rows are different.
Equal magnification
(main scan
direction)
Check that the magnification is equal in the chart and the copy using
the scale under the gradation patches.
The scale is 10mm per row. Check 10 consecutive rows.
6 Halftone
area
Gray color
difference
Check that the density in the chart and the copy is the same. There
must be no unevenness in density between the front, rear, and
middle.
7 Solid area Solid filling Check that there is no density unevenness in solid color. There
should be no color unevenness in density between the front, rear, and
middle.
8 Low contrast
characters
Reproducibility of
low contrast
Check that "C0.4" is readable in the copy when using the center
notch (notch 5). In addition, "E0.2" must be deleted.
9 Six sizes
of characters
Character
reproducibility (no
broken lines or
blurred characters)
Check the minimum size of characters that are readable, and that
have no broken lines or blurred characters.
10 Gray patches Gray color
difference and
density
Check that the color and density of the 3rd row in the chart and the
copy are the same.
11 Color patch Color
reproducibility
Check that the density of each color (KCMYRGB) in the chart and
the copy are the same.