Canon PIXMA TR4550 Online Manual page 489

Lines Incomplete or Missing (Windows)
Images Incomplete or Missing (Windows)
Ink Blots / Paper Curl
Back of Paper Is Smudged
Uneven or Streaked Colors
If Printed Paper Has Been Discolored
Colors may fade with time if the printed paper is left for a long period of time.
After printing, dry the paper sufficiently, avoid high temperatures, high humidity, and direct sunlight, and
store or display indoors at room temperature and normal humidity.
To avoid direct exposure to air, we recommend that you store the paper in an album, plastic folder, photo
frame, etc.
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