Canon BJC-3000 - Manual (Page 214)

214 Troubleshooting - Printout is Unsatisfactory
Ink blurred
The ink has blurred in the print job; images are not sharp and the ink has spread and run
together.
Check 1 Are you printing a photograph or illustration that requires a large amount of
ink?
Check 2 Are you using plain paper?
Check 3 Is the print head dirty?
Check 4 Is the printer driver set for high-density printing?