Sharp MX-4140N Installation Manual page 13

(2) Copy color balance and density check
MEMO: Before checking the copy color balance and density, be
sure to execute the following jobs.
* Execute the high density image correction (Process correction)
forcibly. (SIM 44-6)
* Execute the half-tone image correction forcibly. (SIM 44-26)
Method 1
Make a copy of the gray test chart (UKOG-0162FCZZ) and a copy
of the servicing color test chart (UKOG-0326FCZZ/UKOG-
0326FC11), and check that they are proper.
a. Note for execution of the color balance and density check in the
color copy mode
To check the copy color balance and density, use the gray test
chart (UKOG-0162FCZZ) and the servicing color test chart
(UKOG-0326FCZZ/UKOG-0326FC11). Set the copy density
level to "3" in the Text/Printed Photo mode (Manual), and make a
copy.
At that time, all the color balance adjustments in the user adjust-
ment mode must be set to the default (center).
In addition, be sure to use the specified paper for color.
b. Note for checking the monochrome copy mode density
To check the density, use the gray test chart (UKOG-0162FCZZ).
Set the copy density level to "Manual 3" in the Text/Printed Photo
mode (Manual).
In addition, all the color balance adjustments in the user adjust-
ment mode must be set to the default (center).
Check with the gray test chart (UKOG-0162FCZZ)
In the copy density check with the gray test chart, check to insure
the following conditions.
NOTE: For the color (gray) balance, use the servicing color test
chart (UKOG-0326FCZZ/UKOG-0326FC11) to check.
(Color copy)
Patch 1 is
slightly copied.
SHARP GRAY CHART
1 2 3 4
Patch 2 is copied.
(Black-and-white copy)
Patch 2 is
slightly copied.
SHARP GRAY CHART
1 2 3 4
Patch 3 is copied.
Patch 1 is not copied.
Check with the servicing color test chart (UKOG-0326FCZZ/
UKOG-0326FC11)
In the copy color balance check with the servicing color test chart,
check to insure the following conditions.
(Color copy)
Serviceman chart (Color patch section)
The densities of patches 1 - 6 of
each color are properly balanced.
SHARP gray chart
5 6 7 8 9
10
SHARP gray chart
5 6 7 8 9
10
Patch 7 is slightly
copied or not copied.
MX-5141FN MX-4140N/4141N/5140N/5141N (MAIN UNIT) 2 – 9
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