Canon imagePROGRAF TX-3100 36" Printer with Basket - Manual (Page 443)

• 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.
443