Canon imagePROGRAF GP-4000 - Manual (Page 340)

• If you tap Change adjustment values : •
No test pattern is printed.
Instead, you will measure a document already printed to determine the discrepancy.
6. Tap amount of discrepancy. 6.
If the scale is shorter than the actual size, use a positive setting value. If it is longer, use a negative
value. The feed amount can be adjusted in 0.02% increments.
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