Canon imagePROGRAF GP-4000 - Manual (Page 769)

Check 3 Perform print quality adjustment to automatically adjust the feed amount.
Perform Adjust print quality from Paper feed adjustment and Print alignment pattern to automatically adjust
the feed amount.
Automatic Banding Adjustment
Check 4 Is Set priority for Paper feed adjustment in the touch screen menu set to
Prioritize print quality ?
Set Set priority for Paper feed adjustment to Prioritize length accuracy , and then carry out Adjust feed
length .
Adjusting Feed Amount
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