Requirements For Transparency Rate Of Die-Cut Label Paper; Requirements For Black Mark Position For Die-Cut Label Paper - Epson TM L90 Technical Reference Manual

B.2.2.8 Requirements for Transparency Rate of Die-Cut Label Paper
If transparency (without black marks) label is used, use a label that meets the following
requirements so that the printer can recognize the label position:
Note:
❏
Transparency rates are measured by the Macbeth TD-904 (with a filter for infrared) photometer. The
transparency rates are calculated as follows:
Use
Density = Log
Then,
Transparency rate (%) = (Amount of transparency / Amount of irradiation)
B.2.2.9 Requirements for Black Mark Position for Die-Cut Label Paper
If a die-cut label with black marks is used, there are two reflective rate requirements, depending
on the size and position of black marks. Be sure to use label paper that meets either black mark
position requirement I or II as follows:
Rev. B
10
(Amount of irradiation / Amount of transparency)
TM-L90/TM-L90 with Peeler Technical Reference Guide
(label + backing paper):
transparency 18% or less
(backing paper): transparency
47% or more
×
100
Consumable Specifications B-19