Dropout Color Adjustment - Sharp MX-1810U Service Manual

10-D (17)

Dropout color adjustment

(Normally not required.)
(26cpm/36cpm/31cpm(A) machine)
General (Purpose):
This adjustment is used to adjust the range of reproduction of color
document images as monochrome images in the image send mode
(monochrome manual text mode).
In other words, it is used to adjust the level of chroma of color
images which are reproduced as monochrome images.
This adjustment must be performed in the following cases:
* When there is request from the user.
1) Enter the SIM 46-55 mode.
2) Enter the adjustment value with 10-key and press [OK] key.
When the adjustment value is increased, colors dropout
becomes easy to narrow the reproduction range. When the
adjustment value is decreased, color dropout becomes difficult
to widen the reproduction range.
Item/Display Content
A CHROMA Dropout color range adjustment
3) Scan the document in the image send mode (monochrome
manual text mode) and check the adjustment result.
When black characters
are fainted,
Decrease the adjustment value.
SIM value 0
(Minimum value)
The reproduction range is widened.
Effect and adverse effect when decreasing the value
[Effect]
When black characters are fainted by color shift, etc, the black area
is outputted clearly.
[Adverse effect]
Dropout of color sections becomes difficult.
Setting Default
range value
0 - 6 3
Document
Color dropout
SIM value 3
(Default)
MX-3610N ADJUSTMENTS AND SETTINGS 4 – 64
When the color section is not
dropped out,
Increase the value.
SIM value 6
(Maximum value)
The reproduction range is narrowed.
Effect and adverse effect when increasing the value
[Effect]
Colors (of low chroma) which are difficult to be dropped out can be
dropped out.
[Adverse effect]
Black characters are fainted or cracked.
Reproduced
image