3: Malfunction of paper feeding?
A: Use soft brush to clean the paper sensor and try again or send it to the service
center for repair.
4
．
Malfunction of the indicator light
A: Check the cable connecting way / adapter / power cord / switch on or off? Or
contact the service center for repair.
5
．
Messy code printing except Arabic numeral printing.
A: language switching incorrectly,please turn on the SW-4 switch on the DIP
switches.
6
．
Red indicator keep flashing during the printing.
A: Usually it is due to the high temperature of the print head. If printing
stopped,please contact the service center for repair.
7. Printing speed is very slow for serial printer
A: follow this path and change the set accordingly : Driver -- Properties -- Device
Settings -- Print Mode -- Print as soft font.
8. Water or other liquid spills into the printer
A: Cut off the power,we can dry the main board or printer head with a hair dryer,
careful of the temperature ( average 50 degree is ok )
9. The printer can't open
A
：
The battery maybe without electricity
，
please use power adapter to charge. Then
you try to open the printer, if the printer has same problem, please send to service center
for repair.
