Product specifications

5 – 1
Character Pitch (CPI)
Model Print Mode
10 CPI 12 CPI 15 CPI 17.1 CPI 20 CPI
ML3320
ML, EPSON, IBM UTILITY
960 1,152 1,440 1,646 1,920
ML3321 1,632 1,958 2,448 2,798 3,264
ML3320
ML, EPSON IBM NLQ
1,920 2,304 2,880 3,292 3,840
ML3321 3,264 3,917 4,896 5,596 6,528
ML3320
ML, EPSON IBM HSD
720 864 1,080 1,234 1,440
ML3321 1,224 1,468 1,836 2,098 2,448
ML3320
ML, EPSON IBM SSD
768
ML3321 1,305
5. LOGICAL CHARACTERISTICS
5.1 Print Direction
Bidirectional, unidirectional printing
Short-line-seeking printing
5.2 Selectable Character Pitches
5 CPI 6 CPI 7.5 CPI 8.5 CPI 10 CPI 12 CPI 15 CPI 17.1 CPI 20 CPI
0.2 inch 0.167 inch 0.133 inch 0.117 inch 0.1 inch 0.083 inch 0.067 inch 0.058 inch 0.05 inch
(5.08 mm) (4.23 mm) (3.39 mm) (2.96 mm) (2.54 mm) (2.12 mm) (1.69 mm) (1.48 mm) (1.27 mm)
5.3 Maximum Number of Dot Columns per Line
1) Graphics
Single Density Double Density Quadruple Density
ML3320 480 960 1,920
ML3321 816 1,632 3,264
2) Text
5.4 Maximun Number of Character per Line
Character Pitch (CPI) 5 6 7.5 8.5 10 12 15 17.1 20
ML3320 40 48 60 68 80 96 120 137 160
ML3321 68 81 102 116 136 163 204 233 272
ML, EPSON, IBM UTILITY
ML, EPSON, IBM NLQ
ML, EPSON, IBM SSD
ML, EPSON, IBM HSD
Mode ML EPSON IBM