Intermec EasyCoder 7421, User Manual

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4-4
Printer Operation Problems
If your printer is not operating correctly, try locating the problem
in the table below.
Symptom Possible Causes Solution
No power or loss
of power. You have
damaged or
disconnected the
power cable. Make sure you have plugged
the power cable into both the
printer and a power source.
Replace the cable if damaged.
The Power light
flashes red and
printing stops. Printhead has
overheated. Let the printer cool down. It
will resume printing on its
own.
Test
configuration
label does not
print. You have
incorrectly loaded
media. Try reloading the media. For
help, see “Loading Media” in
the 7421 Printer Setup Guide.
Printing stops
and the Power
light glows
orange. Media fault. Possible problem with the
label gap sensor. Adjust the
label sensor. For help, see
“Adjusting the Label Gap
Sensor” in Chapter 2.
Label jam. Remove any jammed labels
from the printer and clean the
printhead. For help, see
“Cleaning the Printhead” in
Chapter 3.
The printhead is
up. Make sure the printhead is
down. Cycle printer power
and press the Feed/Pause
button to resume printing.
You have
incorrectly loaded
the media. Try reloading the media. For
help, see “Loading Media” in
the 7421 Printer Setup Guide.
Printer appears to
be working but
nothing prints. Media loaded
incorrectly. If you are using direct
thermal media, make sure the
roll is loaded with the
thermal side facing up.
If you are using thermal
transfer media, you must use
a thermal transfer ribbon.