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2-3
Use this chapter to learn how to configure your 7421 printer,
communicate with a PC, and print a test label with PrintSet.
Configuring the Printer
You are now ready to configure the printer by downloading data
from the host to the printer. For your printer to operate most
effectively, you need to configure:
• the media sensitivity number
• the print darkness
• the label gap sensors
Setting the Media Sensitivity Number
Media sensitivity is important because you use it to optimize
print quality. The three digit media sensitivity number (MSN)
specifies the amount of heat required by the printhead to image a
label. The amount of heat that each roll of media or ribbon
requires is unique due to different chemistries and
manufacturing processes.
Intermec has developed heating schedules (the amount of heat
required to image a label) to produce the highest possible print
quality for Intermec media and ribbon combinations on Intermec
printers. Look for the three digit media sensitivity number on:
• the side of the media roll. Use the last three digits (140 in the
example) of the 15 digit number stamped on the roll for the
media sensitivity number.
• a small label attached to the roll of media.
• a small label attached to the plastic bag of your ribbon roll.
Your label may be different from this example, but it will
contain the media sensitivity number.