Canon C850 Practical Manual page 5

Recommended Types of Calibration
Other Types of Calibration You Can Do When You Notice Variations in the
Shades and Tones of Colors
The following calibrations can be made in addition to
Simple Calibration and Enhanced Calibration� Calibrate
the machine only if you notice irregularities in the
colors� (You do not need to calibrate the machine on a
regular schedule�) Make sure to do automatic gradation
calibration prior to doing either one of the following
calibrations� If you are using the imagePRESS Server and
a spectrophotometer, such as an X-Rite i1 Pro, you can
make more precise corrections by doing both Shading
Correction and Automatic Color Tone Correction� In
this case, do these corrections in the following order:
Automatic Gradation Calibration → Shading Correction
→ Automatic Color Tone Correction�
Shading Correction
Do this if the color densities become uneven�
Automatic Color Tone Correction
Do this if you notice differences in the color tones�
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imagePRESS C850/C750/C650/C65