Star Micronics LC-7211 User manual

DOT MATRIX PRINTER
LC-7211
TECHNICAL MANUAL
[THIRDEDITION]

NOTICE
•Allrightsreserved.Reproductionofanypartofthismanualinany
form whatsoever, without STAR’s express permission is forbid-
den.
•The contents of this manual are subject to change without notice.
•All efforts have been made to ensure the accuracy of the contents
of this manual at the time of going to press. However, should any
errors be detected, STAR would greatly appreciate being in-
formed of them.
•The above notwithstanding, STAR can assume no responsibility
for any errors in this manual.
© Copyright 1996 Star Micronics Co.,Ltd.

INTRODUCTION
This manual is an introduction to the LC-7211.
Itisdesignedforuseasareferenceforperiodicinspectionsandmaintenanceprocedurestobeexecutedby
servicepersonnel.Itisnotintendedforthegeneraluser.Usersofthismanualshouldhaveabasicknowledge
and understanding of the English language.
•This manual is divided into the following sections:
Chapter 1 General Specifications
Chapter 2 Theory of Operation
Chapter 3 Adjustments
Chapter 4 Parts Replacement
Chapter 5 Maintenance and Lubrication
Chapter 6 Troubleshooting
Chapter 7 Parts List
•First edition : Dec. 1995
Second edition : Aug. 1996
Third edition : Aug. 1997
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6
7

CHAPTER 1
GENERAL SPECIFICATIONS
1. General Specifications..........................................................................................3
2. External Appearance and Composition ..............................................................5
3. Control Panel .........................................................................................................7
3-1. Switch Combination Functions ............................................................................. 7
3-2. EDS Mode Settings................................................................................................. 8
4. Parallel Interface....................................................................................................9
4-1. General Specifications ........................................................................................... 9
4-2. Connector Signals .................................................................................................. 9
5. Serial Interface (optional) ...................................................................................10
5-1. General Specifications ......................................................................................... 10
5-2. Connector Signals and Functional Descriptions............................................... 10
5-3. DIP Switch Settings .............................................................................................. 11
6. EE-PROM Mode ...................................................................................................12
6-1. Outline ................................................................................................................... 12
6-2. Explanation of Special Control Codes................................................................ 12
6-3. EE-PROM MAP ...................................................................................................... 13
6-4. Rewriting the EE-PROM ....................................................................................... 16
1

– 3 –
1. General Specifications
Printing System Serial Impact Dot-Matrix
Printing Speed Pitch Draft(cps/dpi) NLQ(cps/dpi)
Pice (10cpi) 225/120H 56/240H
Elite (12cpi) 270/120H 67/240H
Condensed pica (17cpi) 191/240H 95/240H
Condensed elite (20cpi) 225/240H 112/240H
H:half-dot
Print Direction Draft: Bi-directional logic seeking
NLQ: Uni-directional/bi-directional logic seeking (selectable)
Bit-Image: Uni-directional/bi-directional logic seeking (selectable)
Print Head Number of pins: 9
Life: 200 million dots/pin (adjustment lever position 1 to 3)
100 million dots/pin (adjustment lever position 4 to 8)
Line Spacing 1/6", 1/8"
7/72", n/72", n/216": software
Character Matrix Pitch Draft NLQ
Pica (10cpi) 9×11 18×23
Elite (12cpi) 9×918×19
Condensed Pica (17cpi) 9×11 18×12
Coodensed elite (20cpi) 9×918×10
Environment Operating temperature: 41°F to 95°F (5°C to 35°C)
Storage temperature: –22°F to 149°F (–30°C to 65°C)
Operating humidity: 30% to 80% (noncondensing)
Storage humidity: 20% to 90% (noncondensing)
Paper Cut-sheet
Paper width: 5.5" to 12" / 140 to 305mm
Paper length: 5.5" to 11"/ 140 to 280mm
Paper weight (1-ply): 14 to 42 lbs / 52 to 156 g/m2/ 45 to 135 kg
Multi-part: 11 to 14 lbs / 40 to 52 g/m2/ 34 to 45 kg; pressure
sensitive paper
Total thickness: 0.020" / 0.5mm
Copies: Original + 6
Fanfold
Paper width: 4.5" to 12" / 114 to 305mm
Paper weight (1-ply): 14 to 22 lbs / 52 to 81 g/m2/ 45 to 70 kg
Multi-part: 11 to 14 lbs / 40 to 52 g/m2/ 34 to 45 kg; pressure
sensitive paper
Total thickness: 0.02" / 0.5mm
Copies: Original + 6

– 4 –
Labels
Backing sheet: 4.5" to 12" / 114 to 305mm
Thickness:
Backing sheet 0.0028" to 0.0035" / 0.07 to 0.09mm
Total thickness 0.0075" / 0.19mm max.
Envelope
#10 9.4 ×4.1 / 240 ×104mm
Emulation Standard Mode: EPSON ESC/P (9-pin)
IBM Mode: Proprinter III
Interface Standard: Centronics parallel
Option: RS-232C serial
Ribbon Type On-carriage, dedicated
Fabric monochrome ribbon (Black only)
Z9HD: Standard type
LZ9: Long life type (option)
Ribbon Life Z9HD: 2 million characters (ASCII draft)
LZ9: 4 million characters (ASCII draft)
Power Supply 120V AC +10%/–17%, 230V AC +14%/–13%; 50/60Hz (depending on country of
purchase)
Power Consumption 10W during stand-by
31W during ASCII draft printing
Options SPC-8K Serial-To-Parallel Converter
Fig. 1-1 External dimensions
525mm
20.67”
370mm
14.57”
230mm
9.06”
Weight 16.1lbs/7.3kg

– 5 –
2. External Appearance and Composition
Fig. 1-3 Rear view of the Printer
Fig. 1-2 Front view of the Printer
Front cover
Platen knob
Interface connector
Control panel

Power switch
Paper guide
Adjustment lever
Release laber

– 6 –
Fig. 1-5 Diagram of internal layout
Fig. 1-4 Front cover removed