Amstrad DMP1 printer

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Amstrads first printer. DMP Stands for Dot Matrix Printer.

A very basic unit which had no descenders on letters such as y,j,q, or p, leaving for a very strange looking printout. This could be corrected (when using TasWord), but using the TasPrint program, but the effect was often not totally satisfactory.

It took only tractor feed paper and had no option or ability to accept single feed sheet.

Ribbons were tiny in comparison to other makes and ran out very quickly - they were, however, very easy to re-ink a few times.

Technical

This printer is a rebadged SEIKOSHA GP-500M-2.

It has a 2732 EPROM labelled 8DE-1 a 6116 RAM and a NEC 8039H CPU.

The following ICs are labelled on the PCB: 

P1 = 74LS04
P2 = 74LS374
P3 = 74LS32
P4 = 74LS373
P5 = 6116 RAM
P6 = 2003
P7 = 8039H CPU
P8 = 2732 ROM (8DE-1)
P9 = 7404
P10 = 74LS74
P11 = 8243
P12 = 2732 (NOT FITTED)

SW1 dipswitch (accessible on outside)

two fuses


  • Printer

  • Printer

  • Printer with top open

  • Printer (back showing centronics connector and DIP switches)

  • Printer (inside)

  • Printer PCB

  • Printer label

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