Canon PIXMA MG6821 User Manual - Page 883

If the problem is not resolved after performing print head deep cleaning, turn off the machine and perform print head deep cleaning again 24 hours later. • If problem is not resolved after performing print head deep cleaning twice: If print head deep cleaning does not resolve the problem, the print head may be damaged. Contact your nearest Canon service center to request a repair. Check5 When using paper with one printable surface, make sure paper is loaded with printable side facing down. Printing on the wrong side of such paper may cause unclear prints or prints with reduced quality. Load paper with the printable side facing down. Refer to the instruction manual supplied with the paper for detailed information on the printable side. • When copying, see also the sections below: Check6 Is platen glass dirty? Clean the platen glass. Cleaning the Platen Glass and Document Cover Check7 Make sure original is properly loaded on platen glass. Loading Originals Check8 Is original loaded with side to be copied facing down on platen glass? Check9 Did you copy a printout done by this machine? If you use a printout done by this machine as the original, print quality may be reduced depending on the condition of the original. Print from the machine directly, or reprint from the computer if you can reprint from it. 883