07YL-0RU
Color Streaks (Lines) Appear
<Cause> The printer has some problem.
Perform calibration.
Solution 1
"Adjusting the Color or Color Mismatch (Calibration)"
Clean the fixing roller.
Solution 2
"Cleaning the Fixing Roller of the Printer"
Replace the toner cartridge with a new one.
Solution 3
"Replacing Toner Cartridges"