Equipment information:

Epson SQ - 870 Printer
Model: SQ - 870
Date: 1992
Category: Computer equipment
Group: Printer
Description: Terminal Printer
                                    The SQ-870/l 170 is a high speed 48-nozzle ink jet printer
which provides advanced paper handling
that is upper compatible with the TSQ-4800. The printer’s
main features are as follows:
Use of ESC/P 2 control codes
Ability to print multi-point fonts
Ability to receive and print raster graphic images
Compatibility with the LQSQ series available on the market
Printing speeds:
660 cps (draft, 12 cpi)
550 cps (draft, 10 cpi)
240 cps (LQ, 12 cpi)
200 cps (LQ, 10 cpi)
Optional interface card
Clear, easy-to-read printing with standard EPSON fonts
Multiple fonts resident in the printer
2 scalable fonts (Roman, Saris Serif)
8 LQ bit-map fonts (Roman, Saris Serif, Courier, Prestige,
Script, Script C, Orator, Orator-S)
1 draft bit-map font
Control panel switch selection of fonts, pitch, and
cut-sheet feeder (CSF) bin
Optional tractor unit that can make up push-pull tractor
Easy handling of cut sheets with the optional cut-sheet feeder
Continuous Paper
Two ways to insert continuous paper (front/rear path)
Backout & loading
Continuous paper can be used without removing CSF
Standard tractor unit can be attached in two positions
Cut Sheet
Two ways to insert cut sheets (front/top)
Auto loading

These manuals are available for the above equipment:

Epson -- SQ - 870 -- Service Manual
File name: Epson-6669-Manual-Page-1-Picture
Manual Type: Service Manual
Pages: 176
Size: 3.11 Mbytes (3258589 Bytes)
Language: english
Revision: A
Manual-ID/Number: 4001225
Date: 1992
Quality: Electronic document, no scan, very well readable.
Upload date:
MD5: 9873959122f8facc00edcd5c1c9a2cb1
ed2kID: 6336d0af6759a51c5ba7f3a08dfa115a
Downloads: 102 since 13 May 2015
This manual describes functions, theory of electrical and
operations, maintenance, and repair of the SQ-870/l 170.
The instructions and procedures included herein are intended
for the
experienced repair technician, and attention should be given
to the
precautions on the preceding page. The chapters are
organized as follows:
Chapter 1 - Provides a general product overview, lists
and illustrates the main components of the printer.
Chapter 2 - Describes the theory of printer operation.
Chapter 3 - Includes a step-by-step guide for product
disassembly and
Chapter 4 - Includes a step-by-step guide for adjustment.
Chapter 5 - Provides Epson-approved techniques for
Chapter 6 - Describes preventive maintenance techniques.
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