Canon TR7500 Series Online Manual page 475

See also the sections below:
Paper Is Blank/Printing Is Blurry/Colors Are Wrong/White Streaks Appear
Lines Are Misaligned
Paper Is Smudged / Printed Surface Is Scratched
Cannot Complete Printing
Vertical Line Next to Image
Part of Page Is Not Printed (Windows)
Lines Incomplete or Missing (Windows)
Images Incomplete or Missing (Windows)
Ink Blots / Paper Curl
Back of Paper Is Smudged
Uneven or Streaked Colors
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