Spec Sheet
Media Specifications
• Media Types: Continuous, die-cut, notch,
black-mark
• Maximum Non-continuous Label Length:
39" (991 mm)
• Media Web Width (Label and Liner):
− 2.00" (51 mm) to 7.0" (178 mm) Tear / Cutter
− 2.00" (51 mm) to 6.75" (171 mm) Peel / Rewind
• Minimum Label Length:
− Tear-off mode: 0.5" (12.7 mm)
− Peel mode: 0.5" (12.7 mm)
− Rewind mode: 0.5" (12.7 mm)
− Cutter: 1.00" (25.4 mm)
• Media Thickness (Label and Liner):
− 0.0023" (0.058 mm) to 0.010" (0.25 mm)
• Maximum Media Roll Dimensions:
− 8.0" (203 mm) O.D. on a 3" (76 mm) I.D.
core
Ribbon Specifications
• Ribbon Width: 2.00" (51 mm) to 6.85" / 174 mm
• Maximum Ribbon Length: 1476' (450 m)
• Maximum Ribbon Roll Size: 450 m: 3.2"
(81.3 mm) O.D. on a 1.0" (25.4 mm) I.D. core
• Ribbon Wound Ink-side Out
Parameter
203 dpi
(8 dots / mm)
300 dpi
(12 dots / mm)
Dot Size
(W × L):
0.0049" × 0.0049"
(0.125 mm × 0.125 mm)
0.0033" × 0.0039"
(0.084 mm × 0.099 mm)
Maximum Continuous
Media Print Length
102" (2591 mm) 45" (1143 mm)
Maximum
Print Width
6.6" (168 mm) 6.6" (168 mm)
Programmable Print
Speeds
2.4" through 12"
(61 mm – 305 mm)
in 1" increments
2.4" through 10"
(61 mm – 254 mm)
in 1" increments
• First Dot Location: Measured from inside media backing edge:
0.10" ±.04" (2.5 mm, not to exceed -0.5 mm +1.0 mm)
• Media Registration Tolerance:
− Vertical = <±0.039" (±1.0 mm) on non-continuous media
− Horizontal = <±0.039" (±1.0 mm) within a roll of media
Printing Specifications
• Black Mark Density: >1.0 Optical Density Units (ODU)
• Maximum Media Density: 0.5 ODU
Parameter Dimensions
Black Mark Length 0.098" – 0.453" (2.5 mm – 11.5 mm)
Black Mark Width
Width
Length
≥0.37" (9.5 mm)
Gap / Notch Sensing Standards
Sensor Adjustment Range: 0.06" to 4.31" from media inner edge
Black Mark Sensing Standards
Sensor Adjustment Range: 0.06" to 4.31" from media inner edge
Parameter Standard Dimensions Metric Dimensions
Inter-label Gap 0.079" to 0.157"
preferably 0.118"
2 to 4 mm
preferably 3 mm
Sensing Notch
(W × L)
0.25" × 0.12" 6 mm × 3 mm
Sensing Hole 0.125" diameter 3 mm diameter
TECHNICAL SPECIFICATIONS
ZT421 INDUSTRIAL PRINTER
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