ACLAS KP7 Series, User Manual

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7
6 MAINTENANCE
Paper dust inside the printer may lower the printer quality. The thermal printer head is probably
dirty, if part of letters is not printed distinctly. Please follow steps below to clean the printer head.
(1)
Open the printer cover and remove the paper if exists.
(2) Clean the printer head with a cotton swab moistened with alcohol solvent.
(3) Clean the platen roller and paper end sensor with cotton swab moistened with water.
(4) Insert a paper roll and close the printer cover.
Attention:

Do not touch the thermal printer head.

The paper cutter will become blunt after a period of time. Please ask the maintenance
man to replace the paper cutter in time.
7 TROUBLESHOOTING
1) The printer is out of paper.
If the printer is out of paper, the “Paper out” indicator light will lit up. In this case, the printer will
stop printing. And then install a new paper roll, the printer will continue printing.
2) The printer could self-test but could not print.
a. Make sure the connection cable between the PC and the printer connects securely.
b. Make sure the connecting port of the printer is not being used. Otherwise, remove the port.
3) Removing paper deviation
Press paper feed key to feed paper, by which the printer will adjust the paper automatically;
otherwise, please turn the power off, open paper cover to reinstall paper.
4) The printed character is unclear.
Check that the thermal printer head is clean enough. Otherwise, please clean it.
5) Some columns could not be printed.
a. Make sure the printer head is not stuck with dust. Otherwise, please clean it.
b. Make sure there is not a paper jam. If there is, remove it.
6) Removing a paper jam
a. Turn the power off.
b. Open paper cover, remove the jammed paper.
7) Removing the cutter jam
a. Push down the cover lever for about 8 times, the printer cover will be opened.
b. Push down the cover lever 2 times more, by which the cutter will back to its normal position.
8) The temperature of the printer head is too high.
Power off the printer, and then restart it until the temperature is cooling down.
Thermal head