Datamax DMX E E-4204 User Manual
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E-Class
notched stock Media, typically tag stock, with holes or notches
in the material that is used to signal the top of form. The 
printer must be set to ‘gap’ to use this media type. 
 
preprinted media Label stock that contains borders, text, or 
graphics, floodcoating, etc.
 
perforation Small cuts extending through the backing and/or 
label material to facilitate their separation. Also referred to 
as “perf”. 
 
print speed The speed at which the media moves under the 
printhead during the printing process.
 
reflective media Media imprinted with carbon-based black 
marks on the underside of the material, which is used to 
signal the top of form when the ‘reflective’ sensor is 
enabled. 
 
registration Repeatable top to bottom alignment of printed 
labels.
 
reverse speed The backward rate of media motion into the 
printer during tear-off, peel and present and cutting 
operations for positioning the label at the start of print 
position. 
 
ribbon An extruded polyester tape with several layers of 
material, one of which is ink-like, used to produce an 
image on the label. Also referred to as “foil”. 
 
ribbon wrinkle An undesirable overlapping of the ribbon during 
the printing process that leads to voids on the printed label, 
typically caused by an improper ribbon width adjustment. 
 
roll media A form of media that is wound upon a cardboard 
core.
 
start of print The position on the label where the printing 
actually begins.
