Canon imagePROGRAF iPF810 User Manual page 397

8.
If you have selected Roll Paper in
Paper Width.
Note
•
A variety of settings are available in the printer driver to suit different printing applications.
For details on available printing conditions, see "Printer Driver Settings (Windows)". (→P.380)
L
Paper Source, select the width of the loaded roll in
Printer Driver
M
Roll
Windows Software 383