Star Micronics LC-4511 User manual

DOT MATRIX PRINTER
LC- 4511
LC- 4521
TECHNICAL MANUAL
[SECOND EDITION]

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 describes the LC-4511,4521 dot matrix printer.
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 : Mar. 1996
Second edition : Aug. 1997
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3
4
5
6
7

CHAPTER 1
GENERAL SPECIFICATIONS
1. General Specifications..........................................................................................3
2. External Appearance and Composition ..............................................................6
3. Control Panel .........................................................................................................8
3-1. Switch Combination Functions ............................................................................. 8
3-2. EDS Mode Settings................................................................................................. 9
4. Parallel Interface..................................................................................................10
4-1. General Specifications ......................................................................................... 10
4-2. Connector Signals ................................................................................................ 10
5. Serial Interface (optional) ...................................................................................11
5-1. General Specifications ......................................................................................... 11
5-2. Connector Signal and Functional Descriptions (SPC-8K, IS-8H192)............... 12
5-3. DIP Switch Settings (SPC-8K, IS-8H192) ............................................................ 12
6. EE-PROM mode ...................................................................................................13
6-1. Outline ................................................................................................................... 13
6-2. Explanation of special control codes ................................................................. 13
6-3. EE-PROM MAP ...................................................................................................... 14
6-4. Rewriting the EE-PROM ....................................................................................... 17
1

– 3 –
GENERAL SPECIFICATIONS
1. General Specifications
Printing System Serial Impact Dot-Matrix
Printing Speed Pitch Draft (cps/dpi) LQ (cps/dpi)
LC-4521 Pica (10 cpi) 300/120H (Normal) 100/360H
400/80H (HS)
Elite (12 cpi) 360/120H 120/360H
Semi-condensed(15 cpi(S)) 450/120H 150/360H
Semi-condensed(15 cpi(I)) 225/240H 150/360H
Condensed pica (17 cpi) 255/240H 170/360H
Condensed elite (20 cpi) 300/240H 198/360H
24cpi (I) 360/240H 238/360H
LC-4511 Pica (10 cpi) 225/120H 75/360H
Elite (12 cpi) 270/120H 90/360H
Semi-condensed(15 cpi(S)) 337/120H 112/360H
Semi-condensed(15 cpi(I)) 168/240H 1112/360H
Condensed pica (17 cpi) 191/240H 127/360H
Condensed elite (20 cpi) 225/240H 149/360H
24cpi (I) 270/240H 178/360H
H: half-dot
(S) : Standard mode only
(I) : IBM mode only
Print Direction Draft: Bi-directional logic seeking
LQ: Bi-directional logic seeking
Bit-Image: Uni-directional/ bi-directional logic seeking (selectable)
Print Head Number of pins: 24
Life: 200 million dots/pin (Normal Mode)
100 million dots/pin (Multi-Part Mode)
Line Spacing 1/6”, 1/8”,7/60”,n/180”,n/360”
7/72”, n/72”, n/216” : software
Character Matrix Pitch Draft LQ
LC-4521 Pica (10 cpi) 24 ×9H (Normal) 24 ×31H
24 ×7H (HS)
Elite (12 cpi) 24 ×9H 24 ×27H
Semi-condensed(15 cpi(S)) 16 ×7H 16 ×21H
Semi-condensed(15 cpi(I)) 24 ×9H 24 ×16H
Condensed pica (17 cpi) 24 ×9H 24 ×16H
Condensed pica (20 cpi) 24 ×9H 24 ×16H
24cpi (I) 24 ×9H 24 ×14H
LC-4511 Pica (10 cpi) 24 ×9H 24 ×31H
Elite (12 cpi) 24 ×9H 24 ×27H
Semi-condensed(15 cpi(S)) 16 ×7H 16 ×21H
Semi-condensed(15 cpi(I)) 24 ×9H 24 ×16H
Condensed pica (17 cpi) 24 ×9H 24 ×16H
Condensed elite (20 cpi) 24 ×9H 24 ×16H
24cpi (I) 24 ×9H 24 ×14H

– 4 –
GENERAL SPECIFICATIONS
H: half-dot
(S) : Standard mode only
(I) : IBM mode only
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% (non-condensing)
Storage humidity: 20% to 90% (non-condensing)
Paper Cut-sheet (manual feeding)
Paper width: 7” to 16.54” / 178 to 420 mm
Paper length: 5.5” to 14” / 140 to 356 mm
Paper thickness: 0.00276” to 0.00472” / 0.07 to 0.12 mm
Paper weight: 14 to 24 lbs. / 52 to 90 g/m2/ 45 to 77 kg
Cut-sheet (with optional automatic sheet feeder)
Paper size: B5, A4, LT, B4, A3, Legal
Paper thickness: 0.00315” to 0.00472” / 0.08 to 0.12 mm
Paper weight: 16 to 24 lbs. / 60 to 90 g/m2/ 52 to 77 kg
Hopper: 50 sheets of 64 g/m2
30 sheets of 80 g/m2
Stacker: 10 sheets
Fanfold (with push tractor feeder)
Paper width: 4” to 16.5” / 101.6 to 419 mm
Paper thickness: 0.00276” to 0.00433” / 0.07 to 0.11 mm (one-ply)
0.01378”/0.35 mm maximum (total thickness of multi-ply
paper, non-carbon)
Paper weight: 14 to 22 lbs. / 52 to 82 g/m2/ 45 to 70 kg (one-ply)
11 to 14 lbs. / 40 to 52 g/m2/ 34 to 45 kg (multi-ply)
Copies: Original + 1 or 2 (Normal Mode)
Original + 3 or 4 (Multi-Part Mode)
* Multi-Part Mode is recommended when using optional
pull tractor unit.
Fanfold (with optional pull tractor feeder)
Paper width: 4” to 16.0” / 101.6 to 406 mm
Paper thickness: 0.00276” to 0.00433” / 0.07 to 0.11 mm (one-ply)
0.01378”/0.35 mm maximum (total thickness of multi-ply
paper, non-carbon)
Paper weight: 14 to 22 lbs. / 52 to 82 g/m2/ 45 to 70 kg (one-ply)
11 to 14 lbs. / 40 to 52 g/m2/ 34 to 45 kg (multi-ply)
Copies: Original + 1 or 2 (Normal Mode)
Original + 3 or 4 (Multi-Part Mode)
Labels
Backing sheet: 4.5” to 16.5” / 114 to 419 mm
Thickness
Backing sheet: 0.00268” to 0.0035” / 0.07 to 0.09mm
Total: 0.0075” / 0.19mm max.

– 5 –
GENERAL SPECIFICATIONS
Emulation Standard Mode: EPSON ESC/P (24-pin)
NEC Graphic compatible
IBM Mode: Proprinter XL24E
Interface Standard: Centronics parallel
Option: RS-232C/RS-422 serial
Ribbon Type On-carriage, dedicated
Monochrome (Y24WH), Black only
Ribbon Life 2.5 million characters (Draft 10 cpi)
Power Supply 120V AC +10%/–17%, 230V AC +14%/–13%; 50/60Hz
(depending on country of purchase)
Power Consumption
LC-4521 14W during standby / 63W during ASCII draft printing
LC-4511 9W during standby / 45W during ASCII draft printing
Options PT-15HA Pull Tractor Unit
SF-15HA Single-Bin Automatic Sheet Feeder
IS-8H192 Serial Interface Unit
IS-32H768 Serial Interface Unit
SPC-8K Serial-To-Parallel Converter
Fig. 1-1 External dimensions
Weight : 19.2lbs/8.7kg
590mm
23.2"
355mm
13.9"
186mm
7.3"

– 6 –
GENERAL SPECIFICATIONS
2. External Appearance and Composition
Fig. 1-3 Rear view of the Printer
Fig. 1-2 Front view of the Printer
Paper guide
Front cover
Interface connector
Control panel
Mute cover
Release lever
Power switch
Platen knob