TOP > Various Settings of the Product > Product’s [Settings] Menu > [System] Menu > [Notifications] > [Change Head] > [Head Interval] [Head Interval] Set the notification interval about when the print head needs to be replaced. You can change the setting only if you have selected [Enabled] in the [Change Head] menu. The product shows the print distance as a setting value. The setting range is from 1 to 30 km. Back to top