Operation Manual

Calibrate the printer - '1. Shading correction'
Introduction
The '1. Shading correction' procedure corrects slight density unevenness that occurs on
the printed image in the areas with a color density of 50%. The '1. Shading correction'
assures consistent color planes on the print.
#
NOTE
Make sure you use media from the same batch for '1. Shading correction' and '2.
Auto gradation adjustment'.
When to do
•
After a service visit.
•
After replacing the drum (key operator maintenance).
•
After replacing the corona (key operator maintenance).
Before you begin
Make sure you have an Eye-One spectrophotometer connected to the USB connector of
the operator panel.
Make sure you use one of the following media.
•
Canon CS-814 81.4 g/m²
•
Océ Top Colour FSC 100 g/m²
•
Mondi Neusiedler 100 g/m²
•
International Paper Hammermill 105 g/m²
Calibrate the printer - '1. Shading correction'
1.
Touch 'System' -> 'Color management'.
2.
Touch '1. Shading correction' and touch 'Start'.
An instruction window opens.
3.
Follow the instructions carefully and touch 'Next'.
A calibration chart is printed.
An instruction window opens.
4.
Calibrate the spectrometer according to the instruction on the operator panel.
Chapter 11 - Maintenance and calibration362
Calibrate the printer - '1. Shading correction'