The Seikosha GP500 Series was offered for various homecomputers, around 1984-1985. All models support 10" endless paper. The case-design is more or less identical, though differently coloured, and badged with different manufacturer & model names.
* Seikosha GP500A - Was offered '''Seikosha GP500GP500A''' for BBC and ZX Spectrum (centronics port)
* Seikosha GP500M-2 - Was offered as '''Amstrad DMP1''' for CPC (centronics port)
* Seikosha GP500VC - Was offered as '''Commodore MPS-801''' for VIC20 and C64 (commodore serial port)