Canon imagePROGRAF PRO-300 13" Photographic Inkjet Printer - Manual (Page 587)

Ink Blots / Paper Curl
Ink Blots
Paper Curl
Check1 Check paper and print quality settings.
Printout Results Are Unsatisfactory
Check2 If brightness is set low, increase brightness setting and try printing again.
(Windows)
If you are printing with a low brightness setting on plain paper, the paper may absorb too much ink and become
wavy, causing paper abrasion.
Adjusting Brightness
Check3 Use Photo Paper to print photos.
To print data with high color saturation such as photographs or images with dark colors, we recommend that you
use Photo Paper Plus Glossy II or other Canon specialty paper.
Supported Media Types
587