Datasheet
Appendix pendix
Specifications
Specifications
Print Method:
Impact dot matrix
Printhead:
24 pins, 0.20 mm diameter, automatically adjusting to paper
thickness, with thermal protection
Print Speed:
Characters Per Inch (cpi) Characters Per Second (cps
)
Utility / Letter Quality (LQ) Utility / Letter Quality (LQ)
10 10 300 100
12 12 360 120
15 15 450 150
17.1 17.1 257 171
20 20 300 200
Characters Per Line (cpl):
Setting ML 590 ML 591
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 and IBM ProPrinter, co-resident
Interface:
Standard: Centronics parallel Optional: RS-232C serial
Graphics Resolution:
360 x 360 dots per inch maximum
Resident Fonts
Letter Quality: Courier (10 cpi/12 cpi/proportional, with superscript/subscript)
Letter Gothic (10 cpi/12 cpi/proportional, with superscript/subscript)
Orator (10 cpi/12 cpi)
Prestige (10 cpi/12 cpi)
Roman (10 cpi/12 cpi; 18 point: 96 ASCII and foreign language
characters) Swiss, Swiss Bold (10 cpi/12 cpi, with superscript/subscript; 18 point: 96 ASCII and foreign
language characters)
Utility: Gothic (10 cpi/12 cpi, with superscript/subscript; proportional)
Bar Code: Code 39, UPC A, UPC E, EAN 8, EAN 13, Interleaved 2 of 5, Code 128, Postnet
Buffer Size:
64K
Reliability
Mean Time Between Failures (MTBF): 6000 hours at 25% duty cycle and 35% page density
Mean Time to Repair (MTTR): 15 minutes
Printhead life: 200 million characters average in 10 cpi utility mode at 25% duty and 35% page density
Ribbon Life:
(on average, 10 cpi utility): black ribbon: 4 million characters
color ribbon: black = 1.5 million characters
ML590/591 ( 96-02-07 )










