Canon PIXMA MP280 On-Screen Manual - Page 617

No Printing Results/Printing Is Blurred/Colors Are Wrong/White Streaks Page 617 of 707 pages Check 1: Did you confirm the paper and print quality settings? Print Results Not Satisfactory Check 2: Is the FINE Cartridge installed properly? If the Ink Cartridge Locking Cover is not closed securely, ink may not be ejected correctly. Open the Scanning Unit (Cover), open the Ink Cartridge Locking Cover, then close the Ink Cartridge Locking Cover. When you close the Ink Cartridge Locking Cover, push the Ink Cartridge Locking Cover until it clicks into place. Check 3: Print the Nozzle Check Pattern and perform any necessary maintenance operations such as Print Head Cleaning. Print the Nozzle Check Pattern to determine whether the ink ejects properly from the print head nozzles. Refer to Routine Maintenance for the Nozzle Check Pattern printing, Print Head Cleaning, and Print Head Deep Cleaning. If the Nozzle Check Pattern is not printed correctly: After performing the Print Head Cleaning, print the Nozzle Check Pattern and examine the pattern. If the problem is not resolved after performing the Print Head Cleaning twice: Perform the Print Head Deep Cleaning. If the problem is not resolved after performing the Print Head Deep Cleaning, turn off the machine and perform another Print Head Deep Cleaning after 24 hours. If the problem is not resolved after performing the Print Head Deep Cleaning twice: Ink may have run out. Replace the FINE Cartridge. Check 4: When a FINE Cartridge runs out of ink, replace it with a new one. Check 5: When using paper with one printable surface, make sure that the paper is loaded with the printable side facing up.