Hvis skriveren er plugget inn og står på, forsøk Programvareoppdatering. Denne vil forhåpentligvis "se" skriveren din og evt. laste ned en skriveroppdatering.
EDIT: Fant nettopp denne:
1. Delete your printer in Printers and scanners preferences.
2. Restart computer.
3. Download and install the following driver (version 3.67 has just been released for Yosemite):
http://support-au.canon.com.au/contents ... 20705.html4. Restart computer.
5. Download and install the patch appearing at step 3 on this page:
http://macdaily.me/howto/how-to-install ... mavericks/6. Restart computer.
7. Connect the printer with USB, add the driver in Printers and scanners preferences, select the appropriate driver.
8. Enjoy the rest of the day.