07YL-0RX
Uneven Gloss, Streaks, or Flaws Appear on Dense Color Areas
<Cause> The drum in any of the toner cartridges has deteriorated or is damaged.
Perform calibration.
Solution 1
"Adjusting the Color or Color Mismatch (Calibration)"
If the problem is not solved by performing Solution 1, replace the toner cartridge.
Solution 2
"Replacing Toner Cartridges"
"Consumables"