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Troubleshooting
Problem
Alert light and battery light
flashing
Printer will not power on
Printer turns itself off
Battery indicator does not
light or does not stay lit when
USB power adapter is
connected
Battery not charging
Poor Print Quality
Paper not feeding
Paper does not advance to
black mark reliably
Paper not feeding reliably or
Print is compressed vertically
Print Garbled
Printer will not print
Cannot print via optional
interface
22
www.printek.com
Possible Cause
Low power
Battery not installed properly
AC Adapter not working
Battery discharged
Electrostatic discharge
Battery discharged
Battery already fully charged
Power adapter not receiving power
Battery not installed properly
Faulty USB connection or battery
Low Battery
Print head dirty
Poor quality or old paper
Obstruction in paper path or paper
improperly installed
Poor quality paper
Paper door not fully closed
Dirty black mark/paper sensor
Black mark density/contrast
Poor quality paper
Heavy or thick forms; specialty
paper with click finish
Paper door is not fully closed
Low Battery
Improper USB interface
configuration
Paper door not fully closed.
Low battery
Paper not loaded correctly
Interface not configured correctly
| P: 888.211.3400 | F: 269.925.8539 | E:
Solution
Charge Battery
Remove and reinstall battery making sure
contacts aligned
Use only Printek supplied AC Adapters.
Recharge battery
May occur in extreme low humidity
conditions. Turn printer back on with power
button
Recharge or replace battery
No action required
Check USB connection at host
Remove and reinstall battery
Check USB connections, replace battery
Recharge battery
Clean print head
Verify paper from approved source, try new
roll
Check paper path and reinstall paper
Paper Load
Verify paper from approved source
Check and close paper door
Clean sensor
Adjust Mark sensitivity
Sensing
Verify paper from approved source
Lower the Max paper speed
Check and close paper door
Check and recharge battery
Connect printer to different USB port.
Check and close paper door
Recharge battery
Check paper path and reinstall paper.
Paper Load
Print a self-test to verify printer settings.
Make sure the interface is selected and
make sure printer and host set ups match.
Performing A Printer Self-Test
info@printek.com
Black Mark
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