Zebra ZD621: ZPL guide

The Zebra ZD621 is a desktop printer with ZPL support. Below you will find the most important specifications for designing and printing labels as well as tools to preview your ZPL.

Key specifications

Model	Zebra ZD621
---	---
Resolution	203 / 300 DPI
Maximum print width	104 mm (4.09") @ 203 DPI · 108 mm (4.25") @ 300 DPI
Type	Desktop
Technology	Direct thermal and thermal transfer
Print speed	8 ips / 203 mm/s at 203 DPI; 6 ips / 152 mm/s at 300 DPI
Memory	512 MB Flash; 256 MB SDRAM
Firmware / languages	ZPL II; EPL 2; XML; ZBI; PDF Direct
Media width	15-108 mm direct thermal; 15-118 mm thermal transfer
Maximum label length	991 mm (39.0 in)
Connectivity	Ethernet, USB 2.0, USB Host and serial; Wi-Fi/Bluetooth options depending on configuration
Media sensors	Full-width movable reflective/black mark sensor; multi-position transmissive/gap sensor

Designing labels for the ZD621

Create your ZPL by adjusting the DPI to the printer and choosing a width within the specified maximum. Preview it in the viewer to avoid clipping or wasted material.

DPI	Maximum width	^PW value
---	---	---
203 DPI	104 mm	^PW831
300 DPI	108 mm	^PW1276

^PW sets the printable width in dots. Use the value that matches the actual DPI of your printer.

^XA
^PW831
^LL1199
^FO40,40^A0N,38,38^FDZebra ZD621 - 203 DPI^FS
^FO40,100^GB751,2,2^FS
^FO40,130^A0N,28,28^FD104 mm / 831 dots^FS
^XZ

Official source

Technical data from Zebra ZD600 Series specification sheet.

• [View Zebra source](https://www.zebra.com/us/en/products/spec-sheets/printers/desktop/zd600-series.html)

FAQ

What resolution (DPI) does the ZD621 have?

Check the specification table: it lists the DPI available for this model.

Can I preview my ZPL for the ZD621 without printing?

Yes. Paste your code into the ZPL viewer and set the DPI of the ZD621 to see the label exactly as printed.