<Print head maintenance>
The DK Roll (thermal printing paper type) used with the machine is designed to clean the print head automatically. When the DK Roll passes the print head during printing and label feeding, the print head is cleaned. If the print head is not cleaned enough, use a cotton swab and wipe the head.
Cut the DK label and remove the backing paper of the label. Then, put the adhesive side of the label against the roller and remove the dirt.