Olivetti JP 90 Manuale utente
JP 90
Printer
SERVICE MANUAL
Code 681640J-00
PUBLICATION ISSUED BY:
Olivetti Lexikon, S.p.A.
Documentation
77, Via Jervis - 10015 Ivrea (Italy)
Copyright
©
1996, Olivetti
All rights reserved
TRADEMARKS
CENTRONICS is a trademark of Centronics Data Computer Corporation.
EPSON and LQ 850 are trademarks of Epson Seiko Corporation.
HP, DeskJet and PCL III+ are trademarks of Hewlett-Packard Company.
IBM and Proprinter 4207 are trademarks of International Business Machine Corporation.
MS-DOS and MS-WINDOWS are trademarks of Microsoft Corporation.
Printed in Italy by:
681640J JP 90 - Service Manual iii.
PREFACE
This Service Manual gives the mechanical and electronic information needed to service the JP 90 ink-jet
printer.
Refer to this manual only if the failure has not been corrected after following the troubleshooting steps
explained in the User's Guide.
SUMMARY
This manual is divided into chapters.
The chapters are ordered in a way to develop an autonomous and gradual approach to the printer
functions.
Certain paragraphs in this manual are highlighted with a screen background so as to bring particularly
important information or procedures to your attention.
Disregarding the information explained in these paragraphs could cause printer failures.
SECTOR/RANGE PRODUCT: Q6 JP 90
DISTRIBUTION: General (G)
FIRST EDITION: October 1996
v
681640J JP 90 - Service Manual
TABLE OF CONTENTS
1. OVERVIEW
1-1 1.1 MAJOR CHARACTERISTICS
1-2 1.2 GENERAL BLOCK DIAGRAM
1-3 1.3 LOCATING THE FUNCTIONAL COMPONENTS
1-4 1.4 FIRMWARE AND CHARACTER GENERATORS
1-6 1.5 OPTIONS
1-6 1.6 ACCESSORIES
1-7 1.7 INK-JET PRINT HEAD OPERATION
1-11 1.8 COLOR INK-JET PRINT HEAD OPERATION
2. OPERATING COMMANDS
2-1 2-1 CONSOLE
3. INSTALLATION
3-1 3.1 GENERAL RULES
3-2 3.2 UNPACKING THE PRINTER
3-2 3.3 PLUGGING THE AC/DC ADAPTER TO THE ELECTRICAL POWER OUTLET
3-3 3.4 INSTALLING THE PRINT HEAD
3-5 3.5 INSERTING THE BATTERIES
3-6 3.6 INSERTING THE BATTERY PACK
3-7 3.7 LOADING PAPER
3-9 3.8 PRINT TEST
3-9 3.9 CONNECTING THE PRINTER TO THE SYSTEM
3-9 3.10 POWERING OFF THE PRINTER
4. SOFTWARE INSTALLATION AND USAGE
4-1 4.1 THE WINDOWS ENVIRONMENT
4-2 4.2 THE DOS ENVIRONMENT
5. AUTODIAGNOSTICS, TESTING PROCEDURES AND TROUBLESHOOTING
GUIDE
5-1 5.1 POWER ON DIAGNOSTICS
5-1 5.2 MONOCHROME PRINT TEST
5-2 5.3 DATASCOPE PRINTING (HEX DUMP)
5-3 5.4 TROUBLESHOOTING GUIDE
6. ELECTRICAL CONNECTIONS
6-1 6.1 MAJOR COMPONENTS ON THE XP28 CPU BOARD
6-2 6.2 POWER SUPPLY CIRCUIT
6-3 6.3 CONNECTOR SIGNALS
7. MAINTENANCE
7-1 7.1 CLEANING THE PRINT HEAD AN NOZZLES
vi 681640J
8. DISASSEMBLY/REASSEMBLY PROCEDURES
8-1 8.1 PRELIMINARY WARNINGS
8-2 8.2 PRINTER CASING
8-4 8.3 ASF ASSEMBLY
8-7 8.4 INTAKE UNIT
8-8 8-5 PAPER FEED SHAFT
8-9 8.6 MAIN BOARD
8-10 8.7 PAPER FEED MOTOR
8-11 8.8 BELT AND PRINT HEAD CARRIAGE
8-14 8.9 CARRIAGE MOTOR
8-15 8.10 PAPER DETECTION PHOTOSENSOR
8-16 8.11 CONSOLE
681640J 1-1
JP 90 - Service Manual
1. OVERVIEW
1.1 MAJOR CHARACTERISTICS
The JP 90 is an ink-jet printer that offers a high degree of reliability, an outstanding print quality and runs
runs very quietly.
Technical and Functional Characteristics of the Basic Machine
Print head: Bubble ink-jet with replaceable ink cartridge.
Matrix: 600 x 300 dpi.
Print speed of the monochrome printer version (10 cpi)
DOS: DRAFT 180 cps
LQ 140 cps
Windows : Approximately 3 pages per minute (ppm)
Paper handling: ASF capable of holding 15, 80 g/m2 sheets of paper
Interface: Centronics parallel
Emulation: PCL III+ (HP DJ 500), IBM Proprinter X24, EPSON LQ 850
Power supply: 220-240 V, 110-120 V
Power absorption: < 15 W
Dimensions: Height: 67 mm, width: 300 mm, depth: 132 mm,
weight: 1.1 Kg (without the adapter)
Fig.1-1 JP 90 Printer
1-2 681640J
1.2 GENERAL BLOCK DIAGRAM
ERGONOMICAL INTERFACEERGONOMICAL INTERFACE
ERGONOMICAL INTERFACEERGONOMICAL INTERFACE
ERGONOMICAL INTERFACE
CABLECABLE
CABLECABLE
CABLE
PARALLEL INTERFACEPARALLEL INTERFACE
PARALLEL INTERFACEPARALLEL INTERFACE
PARALLEL INTERFACE
(CENTRONICS)(CENTRONICS)
(CENTRONICS)(CENTRONICS)
(CENTRONICS)
CONSOLECONSOLE
CONSOLECONSOLE
CONSOLE
CARRIAGECARRIAGE
CARRIAGECARRIAGE
CARRIAGE
MOTORMOTOR
MOTORMOTOR
MOTOR
POWER SUPPLY:POWER SUPPLY:
POWER SUPPLY:POWER SUPPLY:
POWER SUPPLY:
--
--
-ALIALI
ALIALI
ALI 009009
009009
009 SOUTH AFRICASOUTH AFRICA
SOUTH AFRICASOUTH AFRICA
SOUTH AFRICA
--
--
-ALIALI
ALIALI
ALI 018018
018018
018 EUROPEEUROPE
EUROPEEUROPE
EUROPE
--
--
-ALIALI
ALIALI
ALI 012012
012012
012 G.B.G.B.
G.B.G.B.
G.B.
--
--
-ALIALI
ALIALI
ALI 013013
013013
013 AUSTRALIAAUSTRALIA
AUSTRALIAAUSTRALIA
AUSTRALIA
--
--
-ALIALI
ALIALI
ALI 014014
014014
014 UNITED STATESUNITED STATES
UNITED STATESUNITED STATES
UNITED STATES
BATTERY PACKBATTERY PACK
BATTERY PACKBATTERY PACK
BATTERY PACK
--
--
-NICDNICD
NICDNICD
NICD
--
--
-NIMHNIMH
NIMHNIMH
NIMH
UNIVERSAL POWER SUPPLYUNIVERSAL POWER SUPPLY
UNIVERSAL POWER SUPPLYUNIVERSAL POWER SUPPLY
UNIVERSAL POWER SUPPLY
ANDAND
ANDAND
AND
FAST BATTERY CHARGERFAST BATTERY CHARGER
FAST BATTERY CHARGERFAST BATTERY CHARGER
FAST BATTERY CHARGER
PAPERPAPER
PAPERPAPER
PAPER
DETECTIONDETECTION
DETECTIONDETECTION
DETECTION
PHOTOSENSORPHOTOSENSOR
PHOTOSENSORPHOTOSENSOR
PHOTOSENSOR
PAPERPAPER
PAPERPAPER
PAPER
MOTORMOTOR
MOTORMOTOR
MOTOR
Note: The boxes with dotted outline indicate the options
CPUCPU
CPUCPU
CPU
BOARDBOARD
BOARDBOARD
BOARD
XP28XP28
XP28XP28
XP28
CIGARETTE LIGHTERCIGARETTE LIGHTER
CIGARETTE LIGHTERCIGARETTE LIGHTER
CIGARETTE LIGHTER
ADAPTER FORADAPTER FOR
ADAPTER FORADAPTER FOR
ADAPTER FOR
AUTOMOBILESAUTOMOBILES
AUTOMOBILESAUTOMOBILES
AUTOMOBILES
PRINT HEADPRINT HEAD
PRINT HEADPRINT HEAD
PRINT HEAD
681640J 1-3
JP 90 - Service Manual
1.3 LOCATING THE FUNCTIONAL COMPONENTS
Listed below are the printer's major components:
1 Casing
2 Console
3 Top cover
4 Paper support
5 Front cover
6 Head transport carriage
7 Sliding paper guide
8 AC/DC power socket
9 Parallel interface connector
10 Extractable battery holder/Battery pack compartment
11 Paper feed motor
12 Suction assembly
13 Head transport carriage motor
14 ASF assembly
6
5
4
3
2
1
14
13
12
11
9
8
7
10
1-4 681640J
1.4 FIRMWARE AND CHARACTER GENERATORS
Basic Emulation:
The basic firmware is stored in a 4 MB EPROM installed on the XP28 CPU board. It emulates the HP
Deskjet 500 (PCL III +), IBM Proprinter X24 and EPSON LQ 850 printers, with all the related character
generators.
The JP 90 selectes between these emulations via software.
Character Generator:
The character generator assigns a specific printable character to each code in the graphic set.
The first 128 codes in the ISO table (0-127) are standard and represent the USA ASCII character set.
National variants and semigraphic symbols are not included in this code group.
TheallocationofcodesfromthesecondISOcharactersettable(128-255)differsdependingonthecountry
and product.
Character Sets:
The following character sets are available in a PCL III+ emulated machine:
CP 437 International ROMAN 8 Turkish alphabet: CP 857; ISO 8859/9 PC
8 Denmark/Norway CP-850 Multilingual Cyrillic alphabet: CP 866; CP 855; ISO 8859/5
ECMA 94 LATINO 1 ISO Nb 4 United Kingdom Greek alphabet: CP 210; CP 851; ISO 8859/7
ISO Nb 21 Germany ISO Nb 69 France Hebrew alphabet: CP 862; ISO 8859/8
ISO Nb 15 Italia ISO Nb 60 Norway 1 PC Slovenia: CP 852; ISO 8859/2
ISO Nb 61 Norway 2 ISO Nb 11 Sweden: Names Windows 3.1 ANSI
ISO Nb 10 Sweden ISO Nb 17 Spain Windows 3.1 Eastern Europe
ISO Nb 6 USA (ASCII) ISO Nb 2 IRV Windows 3.1 Turkey
ISO Nb 16 Portugal ISO Nb 14 JIS ASCII Windows 3.1 Cyrillic
Legal CP 860 Portugal Windows 3.1 Greece
Denmark OPE 1 UNIX International
Denmark OPE 2 Spain 2
CP 863 French-Canadian
The following character sets are available in an IBM Proprinter X24 emulated machine:
International 1 International 2
Denmark OPE 1 Denmark OPE 2
Spain 2 CP 850
CP 860
The following character sets are available in an EPSON LQ 850 emulated machine:
ITALICS Table GRAPHICS Table:
USA France USA
Gernamy Great Britain Multilingual
Denmark 1 Denmark 2 Portugal
Sweden Italy French-Canadian
Spain 1 Spain 2 Norway
Japan Norway
Latin America Corea
Legal
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