ML690/ML691 User’s Guide Print SpeedPrint ModeCharacter Pitch10 cpi 12 cpi 15 cpi 17.1 cpi 20 cpiHSD 480 cps 576 cps — — —Draft 360 cps 432 cps 540 cps 309 cps 360 cpsLQ 120 cps 144 cps 180 cps 206 cps 240 cps* cps = Characters Per SecondCharacters per Line (cpl)Setting ML690 ML69110 cpi 80 cpl 136 cpl12 cpi 96 cpl 163 cpl15 cpi 120 cpl 204 cpl17.1 cpi 137 cpl 233 cpl20 cpi 160 cpl 272 cplGraphics ResolutionMaximum number of dotcolumns per lineDensitySingle Double QuadrupleML690 60 dpi 480 960 1,92080 dpi 640 — —90 dpi 720 1,440 2,880ML691 60 dpi 816 1,632 3,26480 dpi 1,088 — —90 dpi 1,224 2,448 4,896Resident FontsPrint Quality Available FontsLetter Quality (LQ) Courier, Roman, Swiss,Orator, Gothic, Prestige,OCR-A, OCR-B, SwissBoldDraft GothicHigh Speed Draft (HSD) Gothic
