Epson LQ-850X Product Guide

NEW LQ-850/1050+ DOT-MATRIX PRINTER

Cross-head screwdriver

Buffer:

Character fonts:

6KB or 0KB (panel button selectable)

Printer Specifications

Main Board Type: C027-X

Print method:

Print speed:

Printing direction:

Line

spacing:

Paper feed speed:

Printable columns:

24-pin

Bidirectional logic-seeking for text and graphics. (Unidirectional can be selected with a DIP switch or by using the proper software command.)

1/6 inch or programmable in increments

of 1/360 inch

Single sheet: 3.0 inches per sec

Continuous: 2.7 inches per sec

/,.........

impact dot matrix

(60 ms/line)

(65

ms/line)

OCR-A and Orator-S must be selected using escape

sequences.

Characters:

96 standard ASCII character set (including italic characters)

14 international character sets 1 Legal character set Epson Extended Graphics character set 5 graphics character sets

Paper weight:

Single sheet

14 1b to 24 lb 14 lb to 22 lb

Paper thickness:

Multi-part forms

Envelope

Single Sheet

12 lb to 15 lb per sheet. Maximum number sheets = 4

12 lb to 24 lb

0.0025 to 0.0055 inch (0.065 to 0.14 mm)

Continuous

0.0025 to 0.012 inch (0.065 to 0.32 mm)

Envelope

0.0063 to 0.0197 inch (0.16 to 0.52 mm)

Label

maximum 0.0075 inch (0.19 mm)

Number

copies:

One original plus up to 3 copies

(at normal temperature)

One original plus up to 2 copies

(all temperature ranges)

Total thickness must not exceed 0.012 inch

(0.32 mm)

24-Pin Printers

12/31/90

NEW LQ-850/1050 +-1

NEW LQ-850/1050+ DOT-MATRIX PRINTER

Mechanical

Ribbon:

MCBF:

MTBF:

Print head life:

Dimensions and weight:

Black

Life expectancy (in Letter Quality characters, at 48 dots/character)

2 million characters

Film ribbon cartridge #7768/#7770:

Life expectancy (in Letter Quality characters)

#7768: 0.2 million characters #7770: 0.3 million characters

For all components excluding print head:

5,000,000 lines

LQ-850: 4000 power-on hours

LQ-1050: 6000 power-on hours

200 million strokes fabric ribbon

100 million strokes film ribbon

ribbon cartridge #7753/#7754:

(at 25% duty)

)

Paper Handling

Paper feeding methods:

Friction Built-in push feed tractor with paper

tension unit Pull tractor (optional) Single-bin or double-bin cut sheet feeder

(optional)

Paper width and length:

Paper

Single sheet

width 7.2 to 10.1 inches 7.2 to 14.3 inches

length

Continuous paper

width 4.0 to 10.0 inches 4.0 to 16.0 inches

Envelopes

Labels

Printable area:

LQ-850

(182 to 257 mm)

7.2 to 14.3 inches 7.2 to 14.3 inches (182 to 364 mm)

(101 to 254 mm) No.6 6.54 x 3.62 inches (166 x 92 mm)

No.10 9.45 x 4.09 inches (240 x 104 mm)

2.5

0.94 inch (63.5 x 23.8 mm ) minimurn

Single sheet

LQ-1050

(182 to 364 mm)

(101 to 406 mm)

Electrical

Voltage:

Power consumption:

Frequency:

Insulation resistance: 10M ohms between AC power line and

Dielectric strength

(between AC line

and chassis):

120 VAC ± 10% (self test printing: draft mode)

LQ-850: 55W 240W (maximum) LQ-1050: 60 W

49.5-60.5 Hz

chassis Can withstand 1.00 kV rms

applied for one minute or 1.20 kV rms applied for one second

Environmental

Temperature:

Humidity (without

condensation):

Operation angle:

Shock:

Vibration:

Operation: Storage:

Less than 15° (without cut sheet feeder)

0° (with cut sheet feeder) Operation: Up to 1G within 1 ms

Storage:

Operation:

Storage:

41°F to 95°F (5°C to 35°C)

-22°F to 150°F (-30°C to 65°C) 10% to 80%

5% to 85%

Up to 2G within 1 ms Up to 0.25 G at up to 55 Hz

Up to 0.50 G at up to 55 Hz

0.33 inch (8.5 mm) minimum

.12 inches (3.0 mm)

minimum

Printable

area

0.53 inch (13.5 mm) minimum

Note; For the LQ-850, printing on paper from 9 to 10.1 inches

wide increases the minimum right and left margins to 0.53 inches.

Notes:

l The use of 24 lb paper is only available at normal temperature.

Printing past the edge of envelopes, multi-part forms labels, or paper that is thicker than normal can damage the print

Labels with a pressure sensitive covering, either glued or tacked onto the backing sheet, can be printed under the conditions listed below. The total thickness may not exceed

0.0118 inch (0.3 mm).

-The temperature range is between 41°F and 95°F (5 to 35°C).

-The relative humidity is between 10 and 80 percent.

NEW LQ-850/1050+-2

12/31/90

24-Pin Printers

NEW LQ-850/1050+ DOT-MATRIX PRINTER

Continuous paper

035inch(9mmJ t 01

minimum

,’

, _ _ _ - - - - - - - - -:-

l i

-1

Printable area ,

‘I

0.47 inch

(12 mm)

l -

I’

minimum

fl’

: j Printable area ; :

Note: The

minimum

for the right and left margins increases to

DIP Switch 1 Settings

DIP Switch 0 Settings

0.98 inch (25.0 mm) when printing on IO-inch wide paper on the LQ-850 or on 16-inch wide paper on the LQ-1050.

-2-1-

Envelope

-0.12

inch (3.0 mm)

minimum

Setting the DIP Switches

Graphics character set

2-3

Description Page length selection

See Table

OFF OFF

Note: Envelope printing is only available at normal operating conditions. Load the envelope with its long side horizontal.

The following table gives you general guidelines for selecting the right paper thickness lever position for the type of paper you are using:

Paper typo Paper (single sheets or continuous

paper with film ribbon installed) Thin paper Paper (single sheets

paper

with standard ribbon installed) 24 lb paper (single sheets) Multi-part forms

P-sheet 3-sheet

4-sheet Labels Envelopes

Air mail

Plain

Bond (20 lb.)

Bond (24 lb.)

Note: If the lever is set to position 4 or higher the printing speed may be

reduced slightly,

continuous

Lever position

2 or 1

3 4 5

4 or 5

6 6 7

Note:

The ESC R control codes can change the above settings to any country’s character 5

International character sets are selectable

only

when DIP switch 1-4 is

Interface/parity selection

Baud rate selection

24-Pin Printers

12/31/90

NEW LQ-850/1050+3

+ 5 hidden pages