My Canon printer MP560 shows an error c000

Hi sec1,

Thanks for visiting Apple Support Communities.

See these articles for some troubleshooting steps that can help:

Troubleshooting printer issues in OS X

http://support.apple.com/kb/TS3147

USB and FireWire Quick Assist

http://support.apple.com/kb/ht1151

Cheers,

Jeremy

You have a printhead error. You will have to get the printhead replaced at a Canon service center.