With Christmas just around the corner, we’re sure to see a wealth of innovative new products to tempt you to part with your cash. Sony have launched two new digital photo frames to excite the gift buying masses…
Sony’s new Digital Photo Frames offer a stylish way of displaying images that are often forgotten about and [...]

Printers require device driver programs to oversee their operation. Although most printers use the same codes for alphanumeric data, they may use widely different control codes, and special feature codes to produce special text, and to govern the printer’s operation. Therefore, software producers often develop the Core Hardware of a program, and then offer a [...]

The components of a dot matrix printer are: a power supply board, a main control board, a printhead assembly, a ribbon catridge, a paper feed motor (along with its mechanical drive gears), and a printhead positioning motor and mechanisms.
The power supply:
The power supply board is called on to provide various voltages to power the electronics [...]

The components of a typical ink-jet printer are very similar to those of a dot matrix printer, It’s primary components are:

The printhead assembly
The power board
The control board
The printhead positioning motor and timing belt
The paper feed motor and gear train
The printer’s sensors

The ink catridge snaps into the printhead assembly that rides in front of the platen [...]

The laser printer power supply unit is the most complex found in any type of printer. It must deliver ac power to the fuser unit. The power supply also delivers a high voltage dc supply (+1000 Vdc) to be toner supply mechanism in the drum area. Finally, the power supply unit must deliver dc operating [...]