Canon iR C6800 Series, Portable Manual

Page: 196 / 456

Chapter 5
5-2
4) Enter the appropriate TYPE No. using the keypad, and press the OK key.
5) Select the appropriate color using COLOR-Y/M/C/K (output at 1).
6) Set the density using DENS-Y/M/C/K (valid only if TYPE=5).
7) Press the start key.
5.1.4 16-Gradation (TYPE=4)
0001-6113
iR C6800C / iR C6800CN / iR 5800C / iR 5800CN
Use this test print to check gradation, fogging, white line, and uneven density at the front/rear.
a. Gradation
If the 16-gradation[1] is not properly produced, suspect a fault in the drum unit or the laser exposure system.
b. Fogging
If fogging is found only in the white area[2], suspect a fault in the drum unit or the laser exposure system.
c. White Line
If a white line is found in the image, suspect a fault in the developing system.
d. Uneven Density at the Front/Rear
If uneven density is found at the front/rear, suspect a fault in the drum unit, laser exposure system, or transfer
system.
F-5-1
5.1.5
Full Page Halftone (TYPE=5)
0001-6115
iR C6800C / iR C6800CN / iR 5800C / iR 5800CN
Use this test print to check a transfer fault, black line, white line, and uneven density at specific intervals.
[1]
[2]