
7. Troubleshooting
Can not start device, power indicator off.
Check whether power socket works.
Check whether power cable plugs tightly.
Printer keeps beeping, fails to print.
Check whether the covers close well.
Check whether roll paper used up.
Receipt is printed unclearly.
Turn off power, swab print head and roller with medical alcohol.
Repeat step , at the same time check whether printer cover can be closed tightly.
Printer cutter locked.
Restart the device, cutter automatic . reset
Printer cutter can not automatic reset.
If printer cutter locked and can not
automatic reset, open cutter cover
as per left diagram, turn the gear
until cutter reset.
8. Maintenance
Keep device far from sunlight, dust and water etc;
Keep far from electromagnetic field;
In area of poor electronic power quality, it should be provided with separate regulated
power supply.
Do not shake or knock device;
Do not plug in or out any parts in charged state. Do not move device frequently and
disassemble internal components.
Keep device clean. Do not wipe body with wet cloth or chemicals.
For example: gasoline, thinner etc.
Turn off the power immediately once any faults happened. Do not disassemble and
maintain by your own, contact us to get help.
Check regularly whether any cable loose.
Unplug all cables if will not use for a long time.
Do not restart system until one minute after shutting down, do not restart frequently.