Kodak NovaJet 850 Training Manual page 13

3. Color Deadband Calibration
To activate the Color Deadband calibration select
Utility Menu - Calibration Menu - Color dB Menu -
Color dB Test.
This is an electronic calibration for compensating
the differences in cartridge resistances. Always
perform this calibration whenever a cartridge is
replaced. To adjust left NJ850/880 print head (i.e.
values 1-4), select Left at control panel. Choose the
best value under each aligning set of colors. To
adjust the right print head (values Y, M, C, and K)
select Right at the control panel. Select the value under the best group of vertical lines in
each color. Please do not choose one value to characterize all colors unless illustrated
by the pattern.
Utility Menu
Prime
Access Cartridge
Color Calib Menu
Calibration Menu
Calibration Menu
Use Calib X/Y
Paper Axis Test
Color Db Menu
Y
M
C
K
The illustration below shows how to make an adjustment for Black Deadband:
The Color dB pattern will print.
Display Settings
Print Settings
Service Menu
Exit
Open Jet Menu
Paper Axis
Exit
84 76
NovaJet 800 Series Training Guide
Color Db Menu
Black Deadband Color Db Test
Cyan Deadband
Magenta Deadband
Yellow Deadband Exit
68 60
Color Db Menu
Black Deadband Color Db Test
Cyan Deadband
Magenta Deadband
Yellow Deadband Exit
Black Deadband
Black Deadband Cancel
Next Option
68
Prev Option Ok
Note the most vertical set
of lines which coorespond
to "K". In the above
example, 68 appears to be
the most correct value.
Press Next or Prev Option
until 68 is displayed, select
Ok.
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