Epson DFX-9000 Reference Guide

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Printing method:

36-pin impact dot matrix (9 

×

 4, staggered)

Printing speed:

High speed draft

1550 cps at 10 cpi

Draft

1320 cps at 10 cpi

NLQ

330 cps at 10 cpi

Printing direction:

Bidirectional logic seeking for text and graphics 
printing. Unidirectional text or graphics 
printing can be selected using software 
commands.

Line spacing:

1/6-inch or programmable in 1/432-inch 
increments

Printable columns:

136 columns (at 10 cpi)

Resolution:

Maximum 240 

×

 144 dpi (NLQ)

Paper feed methods:

Push tractor (front, rear)
Push and pull tractor (front, rear); requires 
additional tractor

Paper feed speed:

Continuous

381 mm/second
15 inches/second

Intermittent

25 msec/line at 1/6 inch 
line spacing

Reliability:

Total print volume

133 million lines 
(except print head)

MTBF 20,000 POH
(25% duty)

Print head life

200 million strokes/wire
approx. 400 million 
characters (Draft, 10 cpi, 
14 dots/character)