64-Gradation (Type=12); Full Color 16-Gradation (Type=14) - Canon Color iR C3480 Service Manual

Chapter 15

15.2.8 64-Gradation (TYPE=12)

Color iR C3380G / Color iR C2880G / Color iR C3380i / Color iR C3380 / Color iR C2880i / Color iR C2880 / iR C3480 / iR C3480i / iR C3080i / iR C2550
Use this test print to check the gradation of Y, M, C, and Bk at once.

15.2.9 Full Color 16-Gradation (TYPE=14)

Color iR C3380G / Color iR C2880G / Color iR C3380i / Color iR C3380 / Color iR C2880i / Color iR C2880 / iR C3480 / iR C3480i / iR C3080i / iR C2550
Use this test print to check the gray balance, gradation of individual colors (YMCBk), and fogging.
- Gray Balance
Check the grayscale area to see if the densities of all colors are even.
- Gradation
Check the gradation of individual colors (YMCBk) and for any difference in color.
- Fogging
If fogging is found in the white area, suspect a fault in the developing system, a fault in the drum, and poor adjustment of the laser exposure system.
15-6
F-15-5
White
F-15-6
4 colors (YMCK)
3 colors (YMC)
Light area
White
0014-3153
0014-3155