Previous
You can adjust the altitude settings.
If the machine is operated in an environment at an altitude of 1500 meters or higher and irregular white streaks or spots appear on printed images, enable this function to improve print quality.
Contact your service representative before using this function.
Select [Maintenance] 
Press [OK]
Select [Quality Maintenance] Press [OK]
Select [Altitude Adjustment] Press [OK]
Select the altitude adjustment setting you want Press [OK]
