Canon imagePROGRAF GP-4000 - Manual (Page 962)

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Cause
Paper loaded is not suitable for Color calibration .
What to Do
Follow the steps below to repeat Color calibration .
1. Tap OK on the touch screen to dismiss the error.
2. Load paper suitable for Color calibration . 2.
See the media information list for suitable paper.
Paper Information List
Make sure the paper in the printer is the same as that in the printer media type settings. The printer will
not calibrate properly if the loaded paper and media type settings are not the same.
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