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Zebra® ZD421 – Direct Thermal/Thermal Transfer Label Printer

Zebra · Printers

Zebra® ZD421

Direct Thermal/Thermal Transfer Label Printer

Capacity 10 lb

Standard features

  • Auto sense EPLZ or ZPL
  • Tear bar

Specifications

Print Speed
6 ips
Print Width
4.09 in (104 mm)
Paper Width
0.75 to 4.25 in (19 × 108 mm)
Paper Thickness
0.003 to 0.0075 in (0.08 × 0.19 mm)
Paper Diameter
5 in (127 mm)
Paper Roll Shaft
0.5 and 1.0 in (13 × 25 mm) standard
Resolution
203 dpi/8 dots per mm
Memory
512 MB flash, 128 MB SDRAM
Ribbon Outside Diameter
2.6 in
Ribbon Standard Length
984 ft (300 m)
Ribbon Ratio
1:4 media to ribbon
Ribbon Width
0.585 to 4.65 in
Ribbon Core Inner Diameter
1 in
Interface
USB 2.0 host Ethernet TCP/IP Optional: RS-232 serial (DB-9F)
Temperature
Operating: 40 °F to 105 °F (4 °C to 41 °C) Storage: -40 °F to 140 °F (-40 ° C to 60 °C)
Dimensions
(L × W × H) ZD421: 8.69 × 6.98 × 5.93 in ZD421T: 10.5 × 8.0 × 7.5 in

Models & part numbers

Available configurations.

Part / modelDescription
212409ZD421d direct thermal printer, USB host 10 lb
212410ZD421d direct thermal printer, USB host, Ethernet LAN 10 lb
212406ZD421t thermal transfer printer, USB host 10 lb
212411ZD421t thermal transfer printer, USB host, Ethernet LAN 10 lb
Options & accessories (12)
213356Peeler option, ZD421d, front mount, field installable
212815RS-232 option, ZD421 field installable
41276Interface cable DB9 to blunt
192736Ribbon core option (ZD421t) to accept 1 in ribbon cores (set of 2)
1927252000 wax ribbon (ZD421t) 3.31 in × 984 ft, 1 in core
1927262000 wax ribbon (ZD421t) 4.23 in × 984 ft, 1 in core
1927275555 wax/resin ribbon (ZD421t) 2.52 in × 984 ft, 1 in core
1927285555 wax/resin ribbon (ZD421t) 3.31 in × 984 ft, 1 in core
1927295555 wax/resin ribbon (ZD421t) 4.33 in × 984 ft, 1 in core
1927305095 resin ribbon (ZD421t) 2.52 in × 984 ft, 1 in core
1927315095 resin ribbon (ZD421t) 3.31 in × 984 ft, 1 in core
1927325095 resin ribbon (ZD421t) 4.33 in × 984 ft, 1 in core

Pricing, availability, and lead times are confirmed in your quote. Source: Rice Lake Weighing Systems 2026 Master Catalog, page 882. Specifications are subject to change without notice.