Tech Service Bulletin No. A172/A199– 031
Page 2 of 2
3 Press the "Copy in SP" button to enter the operating
display.
4 Make 13 A4/LT sideways or 6 A3/DLT skyshot
copies (full solid image copy) in 1C/Magenta mode
by opening the platen cover.
NOTE: Never make more than above number of
copies.
Performing forced toner
consumption with several
solid image copies helps
achieve the desired toner
density.
5 Close the platen cover.
6 Make 5 A4/LT sideways or 3 A3/DLT blank copies
in 1C/Magenta mode without any originals on the
exposure glass.
NOTE: Never make more than above number of
copies.
Making blank copies agitates
the toner in the development
unit.
7 Reinstall the toner tank unit into the machine.
8 Make 10 copies of a C-4 test chart on A3/DLT
paper.
This stabilizes the toner
concentration.
9 Wait 5 minutes, then perform Forced Process
Control Self Check.
10 Perform ACC.
ACC calibrates the image by
adjusting image-processing
parameters.
Never perform this procedure for any color other than Magenta. This can also cause side effects to occur.
Decrease the current value by –9.
e.g. 182 " 173.
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