Dot Matrix Printers

Dot matrix printer print head is the main part, often talking about the 9-pin and 16-pin and 24-pin printer says print head is the number of needles. Print head firing pin method can be divided into spiral tube, right, store type, audio-and piezoelectricity. Here in 24-pin print head of printer LQ-1600K and AIz3240 as an example of how it works. Schematic diagram of the figure on the right is the LQ-1600K print head, it is becoming the print heads. In each root print needle of front (from print needle of behind look forward) has a circular choke iron, circular choke iron of around arranged with 12 a coil and 12 root print needle (LQ1600K print head is divided into two layer, each layer 12 root print needle, upper 12 root for long needle, lower 12 root for short needle), each layer 12 root print needle in circular circle Shang uniform arranged, and along oriented Board Shang of oriented slot in print head Department wear out, formed two column parallel arranged of print needle.