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RW 420 User Guide
Media Specifications
Media Width 2.0 in. to 4.1 in.
(50.8 to 104.1 mm)
Max. continuous receipt 143 in. (3620 mm)
(w/std. memory)
Inter-label Gap. 0.08 in. to 0.16 in. (0.12 in. preferred)
(2 mm to 4 mm [3 mm preferred])
Label Thickness .0025” to .0065” (.064 mm to .165 mm)
Max. Label Roll dia. 2.25 in. (57 mm) O.D.
Label Inner Core .75 in. (19 mm) minimum dia;
1.38 in. (35 mm) optional setting
Black Mark The reflective media black marks should
Dimensions extend past the centerline of the roll.
Media Minimum mark width: 0.5” (12.7mm)
Requirements perpendicular to edge of media, centered within
the width of the roll.
Mark length: 0.094” (2.4 mm) parallel to edge of
media
Use Zebra brand direct thermal media that is outside wound. Media may be
reflective (black mark) sensing, or transmissive (gap) sensing, die-cut, or
continuous. RW 420 configured with the External Media option will accept fanfold
media used with an external media supply.
For die-cut labels, use only full auto dies.