Note:
Do not touch printer head by hand. If you touch it careless, please use ethanol to
clean it.
Please use 100% Ethenol. DO NOT use medical alcohol, which may damage the
printer head.
Regularly clean the print head and supply sensors once change a new ribbon to
keep printer performance and extend printer life.
The maximum printing ratio per dot line is 15% for this printer. To print the full web
black line, the maximum black line height is limited to 40 dots, which is 5mm for 203
DPI resolution printer.