Uni-Hammer Printer

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Commodore MPS 801 with Uni-Hammer print method.

Uni-Hammer printers were used as computer printers and were mainly produced by Seikosha for the home computer market.

This printing method is used in some printers of the MPS series, like the MPS-801, also the VIC-1515 and VIC-1525, made by Commodore.

Contrary to the dot-matrix printers their production costs are low, due to their simple construction with a correspondingly high operating time. However, the disadvantages outweigh the disadvantages: During printing there is a very loud noise, the printing performance is very low (i .e. very long printing times) and the printing resolution is low.

Advantages[edit | edit source]

  • Low susceptibility to faults due to simple technology.
  • Carbon copies can be made.
  • Usability of continuous paper.
  • Low purchase and operating costs.

Disadvantages[edit | edit source]

  • Very high noise level during printing.
  • Very poor resolution.
  • Unsuitable for graphics.
  • Very long side printing time.

Links[edit | edit source]