• After you transport or move the machine (you should do the forced line position adjustment if
you install the machine at the user location.) if the machine is pre-installed at the workshop and
moved to the user location,
• When you open the drum positioning plate
• When you remove or replace the motors, clutches, and/or gears related to the drum/
development/transfer sections
• When you remove or replace the image transfer belt, image transfer belt unit or laser optical
housing unit
Printer Gamma Correction
• The ACC is usually sufficient to adjust the color balance to get the best print output. You only need
the printer gamma correction to fine-tune to meet user requirements.
Use SP modes if you want to modify the printer gamma curve created with ACC. You can adjust the gamma
data for the following:
• Highlight
• Middle
• Shadow areas
• IDmax.
The adjustable range is from 0 to 30 (31 steps).
Copy Mode
- KCMY Color Balance Adjustment -
The adjustment uses only “Offset” values.
• Never change “Option” values (default value is 0).
Highlight (Low ID) Levels 2 through 5 in the C4 chart 10-level scale
Middle (Middle ID) Levels 3 through 7 in the C4 chart 10-level scale
Shadow (High ID) Levels 6 through 9 in the C4 chart 10-level scale
ID max Level 10 in the C4 chart 10-level scale (affects the entire image density.)
Offset
The higher the number in the range associated with the low ID, middle ID,
high ID, and ID max, the greater the density.
Image Adjustment
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