Product information guide

ManualsBrandsEpson ManualsPrint & ScanLQ-2550

LQ-2550 GRAY DOT-MATRIX PRINTER

Paper feed methods:

Friction-

Built-in push feed tractor

Pull tractor (optional)

Double-bin cut sheet feeder (optional)

Paper width:

Single

sheets

7.15 to 14.3 inches

(182

to 364 mm)

Continuous

4.0 to 16.0 inches (101 to 406 mm)

Envelope

No. 6 (166 x 92 mm),

No. 10 (240 x 104 mm)

label

2-l/2

15i16

inches,

4 X

15116

inches,

4 X

l-7116

inches,

Paper length:

Single sheets

3.7 to 14.3 inches

(94

to 364 mm)

Paper guide

Ribbon

cartridge

Power cable

Platen knob

Paper thickness:

Single

sheets

0.0026 to

OX04

inches (0.065 to 0.1 mm)

Printer Specifications

Printing

Print method:

24-pin impact dot matrix

Continuous

0.0023 to 0.018 inches (0.06 to 0.46 mm)

Envelope

01X163

to 0.0197 inches (0.16 to 0.52 mm)

Label

0.0075 inches (maximum 0.19 mm)

Printable area:

Sing.ie

sheet

8.5 mm

(0.33’)

or more

Continuous paper

Print speed:

See table below.

Ouality

malt

CPI

Characterslsecondlline

333

12 AW

111

133

mm f0.12’J

or more

3mm

Printing direction:

Bidirectional logic-seeking for text and

graphics. Unidirectional available through

SeiecType

or software command.

tine spacing:

Paper feed speed:

Printable columns:

l/6*, l/B’. or programmable in increments of

1/60th,

l/lBOth

11360th

of an inch

83 msiiine at

l/6’

line spacing

See

table below.

IOZ

f4.0

15.&J

paper

fO.51’J

406 mm

(16.0’)

paper width

26 mm

(1.02’)

or more

width

Character

exe

IOCPI

lOcp!

condensed

12CPI

CPI

condensed

Maxcmum

printed characters

136

233

163

272

‘For printable area for envelopes, see page A-8.

Number of copies:

Continuous. multi-part. no carbon: one

original plus up to five copies. Total thickness

must not exceed 0.018’ (0.46 mm)

Buffer:

Character fonts:

8 Kbyte

---

Characters:

Ribbon:

Black ribbon cartridge

17762:

Life expectancy (in Letter Quality

96 standard ASCII character set

(including italic characters)

13 international character sets

Epson Extended Graphics characters

characters, at 48 dots/character):

million

Color ribbon cartridge

87763:

Life expectancy (in Letter Quality

characters, at

dots/character)

Black: 1.0 million

cyan:

0.7 million

Magenta:

0.7 million

Yellow

0.5 million

Film ribbon cartridge

7764:

Life expectancy (at 10 cpi, with bi-

directional printing, using 136 columns):

0.1 million’

l This number may vary depending on

print direction, characters per inch, or

text density per page.

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24-Pin Printers

9/22/89

LQ-2550-1

Summary of content (10 pages)

PAGE 1
LQ-2550 GRAY DOT-MATRIX PRINTER Paper feed methods: Paper guide Ribbon Paper width: Single sheets 7.15 to 14.3 inches (182 to 364 mm) Continuous 4.0 to 16.0 inches (101 to 406 mm) Envelope No. 6 (166 x 92 mm), No. 10 (240 x 104 mm) label 2-l/2 X 15i16 inches, 4 X 15116 inches, 4 X l-7116 inches, Paper length: Single sheets 3.7 to 14.3 inches (94 to 364 mm) Paper thickness: I Single sheets 0.0026 to OX04 inches (0.065 to 0.1 mm) Continuous 0.0023 to 0.018 inches (0.06 to 0.
PAGE 2
LQ-2550 GRAY DOT-MATRIX PRINTER a-...=.. MCBF: For all components excluding print head: 5 million lines MTBF: 6000 power-on hours (at 25% duty) Print head life: 200 million strokes per wire Dimensions and weight: Height: 7.7’ W i d t h : 26.6’ Depth: 20.4’ Weight: approx.
PAGE 3
LQ-2550 GRAY DOT-MATRIX PRINTER 1 Interface Specifications 1 The following table shows the default conditions that become valid when the printer is initialired. Your printer is equipped with both a parallel and a serial interface. For specifications for optional interfaces, see the manuals provided with the optional interfaces. Parallel interface The following tables describe the parallel interface.
PAGE 4
LQ-2550 GRAY DOT-MATRIX PRINTER In&id-id graphics option commands There are four individual graphics option commands that are very much the same as the ESC command, but each one works for only one graphics option. AII these commands are for B-pin graphia options. Note that the commands contain one less variable than the ESC * command because they don’t need to select a graphics option. l r-l PITCH [ Roman The commands are shown below: 10 CPI] Some of the fonts do not offer all pitches.
PAGE 5
LQ-2550 GRAY DOT-MATRIX PRINTER . .~. _. _--b-w Commands in Numerical Order The following list shows control codes and ESC sequences (with their decimal and hexadecimal values), and the page number where the complete command description can be found.
PAGE 6
LQ-2550 IVORY DOT-MATRIX PRINTER -~ --~ Friction Built-in push feed tractor Pull tractor (optional) Double-bin cut sheet feeder (optional) Paper feed methods: Cable cover Paper guide Paper width: Single sheets 7.15 to 14.3 inches (182 to 364 mm) Continuous 4.0 to 16.0 inches (101 to 406 mm) Envelope No. 6 (166 x 92 mm), No. 10 (240 x 104 mm) Label 2-l/2 X 15’16 inches, 4 X U/16 inches, 4 X l-7/16 inches, Paper length: SingIe sheets 3.7 to 14.
PAGE 7
LQ-2550 IVORY DOT-MATRIX PRINTER MCBF: For all comoonents excludinn -.mint head: 5 million l&s MTBF: 6ooo power-on hours (at 25% duty) Print head life: 200 million strokes per wire Reliability MCBF (Mean Cycle Between Failure): 100,000 cycles Environmental condition4 Temperature: Operation: Dimensions and weight: Height: 7.7’ Width: 26.6’ Depth: 2 0 . 4 ’ Weight: approx.
PAGE 8
LQ-2550 IVORY DOT-MATRIX PRINTER - - - Default Settings I Interface Specifications I The following table shows the default conditions that become valid when the printer is initialized. Your printer is equipped with both a parallel and a serial interface. For specifications for optional interfaces, see the manuals provided with the optional interfaces. bln Parallel interface The following tables describe the parallel interface.
PAGE 9
LQ-2550 IVORY DOT-MATRIX PRINTER The Display -- 1 Graphics 1 Individual graphics option commands There are four individual graphics option commands that are very much the same as the ESC command, but each one works for only one graphics option. All these commands are for &pin graphics options. Note that the commands contain one less variable than the ESC command because they don’t need to select a graphics option.
PAGE 10
LQ-2550 IVORY DOT-MATRIX PRINTER - - - I Commands in Numerical Order , I 1 The following list shows control codes and ESC sequences (with their decimal and hexadecimaJ values), and the page number where the complete command description can be found.