Zebra ZD421 Desktop Printer

Label Length:
Maximum: 39.0 in./991 mm
Minimum: 0.25 in./6.4 mm
Media Width:
Direct Thermal:0.585 in./15 mm to 4.25 in./108 mm
Thermal Transfer Roll:0.585 in./15 mm to 4.41 in./
112 mm
Thermal Transfer Cartridge:0.585 in./15 mm to 4.65 in./118 mm
Media Roll Size:
Maximum outer diameter: 5.00 in./127 mm
Core inner diameter: 0.5 in. (12.7 mm) and 1.0 in.
(25.4 mm) standard, 1.5 in. (38.1), 2.0 in., (50.8 mm)
and 3.0 in. (76.2 mm) using optional adapters
Media Thickness: 0.003 in. (0.08 mm) min.; 0.0075 in. (0.19 mm) max.
Media Types: Roll-fed or fan-fold, die cut or continuous with or without black mark, tag stock, continuous receipt paper, and wristbands
Ribbon Outside Diameter: 2.6 in./66 mm (300 m); 1.34 in./34 mm (74 m)
Ribbon Standard Length:
Roll: 984 ft. (300 m); 243 ft. (74 m)
Cartridge: 243 ft. (74 m)
Ribbon Ratio:
1:4 ribbon to media (300 m)
1:1 ribbon to media (74 m)
Ribbon Width:
Roll: 1.33 in./33.8 mm — 4.3 in./109.2 mm
Cartridge: 4.3 in./109.2 mm
Ribbon Core I.D.:
300 meter ribbon 1 in./25.4 mm
74 meter ribbon 0.5 in./12.7 mm