Canon PIXMA TS302 Wireless Inkjet Printer - Manual (Page 240)

Perform print head deep cleaning.
If the problem is not resolved after performing print head deep cleaning, turn off the printer and perform
print head deep cleaning again 24 hours later.
• If problem is not resolved after performing print head deep cleaning twice:
Ink may have run out. Replace the FINE cartridge.
Check3 Perform print head alignment.
If printed lines are misaligned or print results are otherwise unsatisfactory, adjust the print head position.
• For Windows:
Aligning the Print Head Position from Your Computer (Windows)
• For macOS:
Aligning the Print Head Position from Your Computer (macOS)
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