The ZD621 linerless label printer (ZD6A042-D4EF00EZ) makes use of direct thermal printing technology, so no ink, toner or ink ribbon is required. This printer has both the EPL- and ZPL-programming languages, used to control the printer. Thanks to the extensive memory of the Zebra ZD621 labels printer, more fonts, graphic images and pre-defined labels can be stored. The printing resolution of 300 dpi allows you to print clear labels. The ZD621 is suitable for PC, compatible with Windows Vista, Windows 7, Windows 8 and Windows 10. * There is no official driver and support for MAC for this printer. A compatible driver can be installed via CUPS, so as to control the printer with MAC.