Problem
Possible Cause
Solution
Poor print quality
Not suitable paper
Verify paper from approved source.
Not suitable or “old” paper
Verify paper from approved source.
Try new roll of paper.
Print head dirty
Clean print head. Refer to
“Maintenance” section of this
document.
Battery deterioration
Exchange to a new battery.
Paper not feeding.
Obstruction in paper path,
or paper improperly
installed
Check the paper path and reinstall
the paper.
Not suitable paper
Verify paper from approved source.
Paper Door not fully
closed
Verify door is closed.
Paper not feeding reliably
or print is compressed
vertically
Not suitable paper
Verify paper from approved source.
Paper Door not fully
closed
Verify door is closed.
Print Garbled
A loose connection of the
USB.
Check the USB cable connection
and replace to a new cable if
needed.
Paper Door not fully
closed
Verify door is closed.
Printer will not print.
Low Battery
Check and recharge battery.
Paper not loaded correctly
Reinstall the paper.
Improper Interface
configuration
Verify printer and host settings
match. Print a selftest to verify
printer settings and to verify printer
is functioning properly.
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