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Appendix A
TECHNICALSPECIFICATIONS
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■ Printing Mechanism
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Printing method
Serial impact dot matrix
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Printing speed
150characters per second (draft pica)
38 characters per second (NLQ pica)
Printing direction
Draft: bi-directional or unidirectional
(selectable),logicseeking
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NLQ and graphics: unidirectional, logic
seeking
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Print head
9 Pins
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Life: 200 million dots
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L
Ribbon
Black fabric ribbon cartridge
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Life: 1 million draft characters
L._
Paper feed
Friction and push-tractor feed
Semiautomatic sheet loading
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Paper feed speed
2.7 inches/second(during page feed)
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9 Interface and Emulation
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Interface
Centronics-compatible,7 or 8 bit,
TTL-level
1’
Data buffer
4K bytes when not used for download
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characters
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l-Line buffer when using download
1-
Emulation modes
Epson LX-800 and IBM ProprinterII
1-
■ Switches and Indicators
1-
Power switch
Rocker switch
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Control panel
4 Membrane switches,10 LED indicators
)
DIP switches
12pins
1’
53
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