Appendix A: Specifications

Print Method

Impact dot matrix

Printhead

24 pins, 0.20 mm diameter with thermal protec-

 

tion

 

Print Speed

 

 

ModeCharacters per Second (CPS)

High Speed Draft (HSD)

10 cpi

420 cps

Utility

10 cpi

315 cps

 

12 cpi

378 cps

 

15 cpi

472 cps

 

17.1 cpi

269 cps

 

20 cpi

315 cps

Letter Quality (LQ)

10 cpi

105 cps

 

12 cpi

126 cps

 

15 cpi

157 cps

 

17.1 cpi

180 cps

 

20 cpi

210 cps

Characters per Line (CPL)

 

 

Setting

ML790

ML791

10 cpi

80 cpl

136 cpl

12 cpi

96 cpl

163 cpl

15 cpi

120 cpl

204 cpl

17.1 cpi

137 cpl

233 cpl

20 cpi

160 cpl

272 cpl

Emulations

Epson LQ, IBM Proprinter, IBM AGM

Interface

Standard: Centronics parallel, USB

 

Optional: RS-232C serial

ML790/791 Printer Handbook

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