22
8 TROUBLESHOOTING
1) Paper is near end or used up.
If the paper is near end or used up, the “Paper out” and “Power” indicator light will be illuminated at the same
time. 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.
c. If the problem still exists, contact our after-sales service center.
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.
Note: Using high quality of thermal paper with standard width and smooth surface could avoid paper
deviation.
4) The printed character is unclear.
a. Check that the thermal printer head is clean enough. Otherwise, please refer to Chapter 7 to clean it.
b. Make sure the used paper meets the required specification, please refer to Chapter 1.4.
Note: Using high quality of thermal paper with standard width and smooth surface could avoid this
problem. If the problem still exists, contact our after-sales service center.
5) Some columns could not be printed.
a. Make sure the printer head is not stuck with dust. Otherwise, please refer to Chapter 7 to clean it.
b. Make sure there is not a paper jam. If there is, remove it.
c. If the problem still exists, contact our after-sales service center.
6) Paper feeding unsteadily
a. Make sure the rubber platen is not stuck with foreign matter. If not, clean it with cotton swab with water.
b. If the problem still exists, make sure the motor gear of the platen is not broken. If not, contact our after-sales
service center.
7) Removing a paper jam
a. Turn the power off.
b. Open paper cover, remove the jammed paper.
c. Reinstall paper to the printer correctly, close paper cover. Make sure the paper cover is closed securely (refer
to Chapter 2.3 (5)). Otherwise, paper-cutter may lock.
Note: Using high quality of thermal paper with standard width and smooth surface could avoid paper jams.
8) Removing paper-cutter lock
a. Check the upper cover is closed well. If not, push hard on the cover until it reach its work position. Then the
printer will perform cutter-retract automatically until the cutter retracts to its normal position.
b. Repower on the printer, by which the cutter will back to its normal position.
To Next Page
Loading...
