Technical Guide

Datecs WPP-250 Technical guide
Do not pull the paper end from the exit forcedly when the printer cover is closed.
Turn off the printer power when trouble such as a paper jam occurs.
Do not use loose paper. It may cause paper jam.
Be careful of handling the thermal head to prevent heat elements and driver IC from
exposure to static electricity.
Handling printer unit
Never disassemble or repair the printer by yourself.
Do not bend the USB cable or place heavy objects on it. Doing so may damage the
cable and cause fire or electric shock.
Never use a damaged USB cable. It may cause fire or electric shock.
Do not drop any metalic objects nor spill coffee,water or any other liquid.
Do not use the printer in a places where it will be exposed to excess moisture
or water spray. It may result in electric shock, short circuit and failure.
Do not connect or disconnect the USB cable with wet hands. It may result in
electric shock, short circuit and failure.
As the thermal head may be very hot immediately after printing, do not touch it to
avoid burning your fingers. Be sure that the thermal head is cool before replacing a
paper or cleaning the thermal head.
Do not open the paper cover while printing.
Do not pull the paper when the cover is closed.
In the following cases, turn the printer power OFF and unplug the USB cable.
Smoke, unusual noises or odd smells are emitted by the printer.
When metallic objects is dropped or any liquid is spilled inside the printer.
Continuous use may lead to printer failure, fire and electric shock.
Make sure the fault does not continue and contact dealers for further assistance.
Remove the USB cable from the connector or the receptacle by gripping the connector.
Never pull the cable itself. Doing so may damage the USB cable.
Warning
Caution