Image Unevenness Correction - Konica Minolta drypro 832 Service Manual

Chapter 14 Setting and Adjustment

14.1 Image Unevenness Correction

Image unevenness correction is made up of the following items:
Pitch unevenness correction
Density is corrected to minimize unevenness in the direction of pitch of an image (direction of transporting film).
Shading correction
Correction is made to minimize the difference in density of an image in horizontal direction.
Select a tray
Select a gain value
To the next screen
Print ST13A
Observe the image with
a magnifying glass
Do correct
phase/sub-phase values exist
for all six rows?
YES
Enter phase and sub-phase
values (6 points)
To the next screen
Print ST13B
Observe the image with
a magnifying glass
Do correct
sub gain values exist
for all six rows?
YES
Enter sub-gain values
To the next screen
Print ST13C
Set the density of the image
Enter offset values
14-2
If an optional supply is added,
select the maximum ch film size
Select a default value
(all 3s) at first
Reenter a gain value only for the
unspecified row (recommended
To the previous
screen
NO
NO
To the previous
screen
(6 points)
Shading correction
(5 points)
E N D
Pitch unevenness correction
Mark the specified
row using a check box
Reenter a gain value
only for the unspecified row
value: previous value + 2)
To the previous
screen
Check for an error
NO
in typing phase and
sub-phase values
YES