Canon imagePRESS C800 imagePRESS C800 Series Operation Guide - Page 242

Perform a manual shading correction, Tools

Page 242 highlights

Perform a manual shading correction Perform a manual shading correction IMPORTANT First, check if the printer calibration delivers the required color quality before you perform this procedure. About calibration on page 170 (See ) Perform a manual shading correction when you want to correct the color panes manually or the color panes close to the edges of the sheet. Tools Eye-One spectrophotometer. Perform a manual shading correction [129] Manual shading correction options 1. Calibrate the printer. Calibrate the printer on page 173 (See ) IMPORTANT You must always perform a printer calibration before you continue with this procedure. 2. Load the largest size uncoated media you use, for example SRA3. 3. Touch [System] -> [Color adjustment] -> [Manual shading correction]. 4. Touch [Print chart] to print the gradation chart. 5. Check each color bar on uneven color densities. 6. Make the corrections on the locations where you see deviations. The locations are indicated per color with a number from -6 to 6. The initial values are displayed between brackets. 7. Repeat step 3 - 5 until each color bar has a uniform color. 8. Touch [OK]. 242 Chapter 11 - Help imagePRESS C800 Series

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Perform a manual shading correction
IMPORTANT
First, check if the printer calibration delivers the required color quality before you perform this
procedure.
About calibration
on page 170
(See )
Perform a manual shading correction when you want to correct the color panes manually or the
color panes close to the edges of the sheet.
Tools
Eye-One spectrophotometer.
Perform a manual shading correction
[129] Manual shading correction options
1.
Calibrate the printer.
Calibrate the printer
on page 173
(See )
IMPORTANT
You must always perform a printer calibration before you continue with this procedure.
2.
Load the largest size uncoated media you use, for example SRA3.
3.
Touch [System] -> [Color adjustment] -> [Manual shading correction].
4.
Touch [Print chart] to print the gradation chart.
5.
Check each color bar on uneven color densities.
6.
Make the corrections on the locations where you see deviations.
The locations are indicated per color with a number from -6 to 6.
The initial values are displayed between brackets.
7.
Repeat step 3 - 5 until each color bar has a uniform color.
8.
Touch [OK].
Perform a manual shading correction
242
Chapter 11 - Help
imagePRESS C800 Series