|Family||[[Seikosha]]||?||[[Epson]]||[[Epson]]||[[Epson]]||Epson LQ||Epson LQ||HP Laserjet II
|-
|Pins||Unihammer?(7 dot columns)||9pin||9pin||9pin||9pin||24pin||24pin||Laser
|-
|Processor||uPD8039LC||uPD7811G||uPD7811G||uPD7811G||uPD7811||uPD78310||uPD78310||?