Is CUPS installed and enabled? Is the driver installed? It is available from the AUR. You can install via pamac GUI (make sure that you have AUR enabled) or in terminal:
pamac build canon-pixma-mg2500-complete
Some additional reading:
Is CUPS installed and enabled? Is the driver installed? It is available from the AUR. You can install via pamac GUI (make sure that you have AUR enabled) or in terminal:
pamac build canon-pixma-mg2500-complete
Some additional reading: