Olivetti JP 90 Page 62 Service Manual Download

Page: 62 / 63

8-16

681640J

8.11 DISASSEMBLY/REASSEMBLY OF THE CONSOLE

Remove the printer casing.

Remove the main board.

Detach connector (1)

Summary of Contents for JP 90

Page 1: ...JP 90 Printer SERVICE MANUAL Code 681640J 00...

Page 2: ...ONICS 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 Proprin...

Page 3: ...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 highl...

Page 4: ......

Page 5: ...ET 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 P...

Page 6: ...RY 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 CARRIAG...

Page 7: ...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 capabl...

Page 8: ...ALI ALI 014 014 014 014 014 UNITED STATES UNITED STATES UNITED STATES UNITED STATES UNITED STATES BATTERY PACK BATTERY PACK BATTERY PACK BATTERY PACK BATTERY PACK NICD NICD NICD NICD NICD NIMH NIMH N...

Page 9: ...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 compa...

Page 10: ...rk 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 alph...

Page 11: ...BF Team 8 10 12 14 Proportional BF Team italic 8 10 12 14 Proportional Linea 8 10 12 14 Proportional Linea italic 10 12 Proportional List of fonts for portrait page orientations in the PCL III emulat...

Page 12: ...ugh this adapter an appropriate holder allows the fast charging of battery packs Charge times are approximately 40 minutes for the NiCd battery pack and approximately 1 hour for the NiMH battery pack...

Page 13: ...tted They They have a conical shape as shown in figure 1 3b The ink is contained in a disposable cartridge mounted inside the shell hosting the nozzles The ink flows to the nozzles from the cartridge...

Page 14: ...s of how an ink bubble is created and expelled from the nozzle When the resistive heating element is no longer energized and the ink droplet exits from the nozzle new ink from the cartridge replaces t...

Page 15: ...s A total of 50 print nozzles are arranged on two rows of 25 nozzles each In each row the nozzles are sequentially placed on each column as shown in figure 1 5 The matrix also includes Dampning balanc...

Page 16: ...arantee correct print head operation The most typical faults that can occur with lower voltages are the following lack of ink bubble expulsion if the print head is not used for a determined period of...

Page 17: ...rint job the personal computer is powered off before the printer the printer will reset itself If the printer is powered off during its reset phase chances are that the print head may come to a stop o...

Page 18: ...NT HEAD CARTRIDGE Fig 1 7b NOZZLE CROSS SECTION 50 m 140 150 m NOZZLE HEATING ELEMENT NOZZLE PAD FLEXIBLEELECTRIC GRID Fig 1 7c EXPLODED VIEW OF THE PRINT HEAD INK SPONGES Fig 1 7 Color Print Head HEA...

Page 19: ...element can be activated at each time in each group and therefore no more than four elements can be activated simultaneously To avoid induction between adjacent elements each element will be activate...

Page 20: ...ter installing the new color print head the printer will automatically run a nozzle bleed cycle and therefore the nozzle cleaning procedure is not carried out on the color print head After a print job...

Page 21: ...CONSOLE The console on the JP 90 has four keys and four LEDs Fig 2 1 Console The console keys allow you to select paper handling the print quality and to switch the printer ON or OFF LINE The LEDs si...

Page 22: ...aper condition A L Out of ink condition A LV No head or head not installed correctly AS AS AS AS Printer being powered LS3 LS3 LS3 LS3 Operator error S S S S Printer in standby LS LS LS LS Batteries b...

Page 23: ...flashing after loading paper in the printer press this key to print the data stored in the buffer When pressed for more than four seconds allows jammed paper to be removed CARTRIGDE When pressed once...

Page 24: ......

Page 25: ...to the same power outlet used by other industrial equipment since the printer will be subject to variations that are higher than those tolerated and with a greater degree of electrical interference E...

Page 26: ...ECTRICAL POWER OUTLET Plug the AC DC coax cable plug into the DC IN jack on the rear of the printer Fig 3 1 Box Contents Fig 3 2 Connecting the Power Supply Plug the AC DC adapter to the electrical po...

Page 27: ...it on the side opposite the one with the protective seal so that you do not touch the electrical contacts Holding the print head by its outter shell remove the protective seal from the nozzles Fig 3 3...

Page 28: ...ng contacts on the carriage Fig 3 5 Positioning the Print Head Insert the print head into its slot by pushing it downwards until it snaps into place Close the front cover Press the CARTRIDGE key to re...

Page 29: ...as follows to insert the batteries into the printer Remove the battery holder from the rear of the printer Fig 3 7 Removing the Battery Holder Remove the batteries from the holder Insert the new batt...

Page 30: ...f this LED begins to flash rapidly the battery pack is low so you will need to either recharge the battery pack or replace it Charging or Recharging the Battery Pack Both types of battery packs can be...

Page 31: ...ight handedgeofthepaper Tomovethisguideslightlypush it downwards To make sure the paper is loaded correctly Press FORM FEED to move a sheet of paper in correspondence with the first print line Press F...

Page 32: ...ed into the printer and the demo page is automatically printed Do not open the printer s top cover during printing as this could cause a paper jam Press the ON LINE key to interrupt printing temporari...

Page 33: ...t require any additional option Handshaking is synchronized by the character strobe signal issued by the system and by the Busy signal issued by the printer The 36 pin connection cable is supplied wit...

Page 34: ......

Page 35: ...ns of the Plug and Play feature the monochrome driver can be configured by opening the Printer folder highlighting the printer icon and clicking in Properties On the contrary proceed as follows Launch...

Page 36: ...ON LQ 850 PCL III mode Select the PCL III driver during the configuration of the application driver If PCL III is not available select HP DeskJet 500C or HP DeskJet 500 The PCL III mode also supports...

Page 37: ...ting the operation of the print head nozzles the results of the test which indicates Monochrome or Color followed by OK if all the nozzles work correctly or by the number of faulty nozzles in case one...

Page 38: ...are input into the printer With the printer powered off press the POWER and FORM FEED keys simultaneously release then the POWER key first followed by the FORM FEED key Send a small test file from the...

Page 39: ...lace the XP28 CPU board Inacceptabile Print Quality These faults do not stop the printer from operating but cause considerable deterioration of the print quality If the printout is incomplete because...

Page 40: ...oving a jammed piece of paper always remove the sheets already present in the ASF and then reload the entire block again Incorrect Data Transmission Make sure you are using the correct interface cable...

Page 41: ...D 16 CPU IC6 1024 bit EEPROM IC7 8 way ROM RAM bus latch IC8 32 pin socket IC9 RAM IC10 Carriage motor driver IC11 20 volt regulator IC12 5 volt regulator IC13 Paper feed motor driver IC14 Out of ink...

Page 42: ...6 2 681640J 6 2 POWER SUPPLY CIRCUIT...

Page 43: ...GNALS CARRIAGE MOTOR PARALLEL INTERFACE 1 4 PRINT HEAD XP28 CPU BOARD OUT1A OUT1B OUT2A OUT2B 1 4 J 5 J 6 J 2 J 3 J 4 C3 1 S49 2 S47 3 INKLEVEL 4 S23 5 S35 6 S45 7 S43 8 S41 9 S37 10 S39 11 S33 12 S29...

Page 44: ...BOARD PAPER SENSOR J 7 J 8 1 7 DC BATT BATT DC BATT CGH TEMP CONSOLE 1 11 VCC POWER LED GND POWER KEY ONLINE LED FORM F LED ONLINE KEY PAPER KEY GND CARTR KEY CARTR LED J 9 Note Signal indicating the...

Page 45: ...nozzles Reinsert the print head into the printer close the printer top cover and press the CARTRIDGE key to return the carriage to its parking position If the print quality does not improve try clean...

Page 46: ......

Page 47: ...E THE PRINT HEAD IS IN ITS PARKING POSITION BEFORE POWERING OFF THE PRINTER WHEN REMOVING THE PRINT HEAD FROM THE PRINTER NEVER RESET IT ON ITS ELECTRIC CONTACTS NOR ON THE NOZZLES NEVER TOUCH THESE P...

Page 48: ...8 2 681640J 8 2 DISASSEMBLY REASSEMBLY OF THE PRINTER CASING Push the printer casing outwards and free it from the three clasps 1 Release clasp 2 by pushing it outwards 2 1...

Page 49: ...8 3 681640J JP 90 Service Manual Release the casing from the three clasps 3 by pusing it inwards 3 Release the console 4 and remove the casing 4...

Page 50: ...ASF ASSEMBLY Remove the printer casing Push the paper feed unit sideways and release it by lifting upwards From the other side free the ASF by lifting it upwards and then forwards being careful to avo...

Page 51: ...8 5 681640J JP 90 Service Manual S From the rear of the printer unhook the two clasps 1 Remove the ASF by sliding it upwards out of the printer 1...

Page 52: ...8 6 681640J Note When refitting the ASF insert the two gears so that the two reference marks T are correctly positioned Also make sure that slot V hooks properly onto stud P T V P...

Page 53: ...ice Manual 8 4 DISASSEMBLY REASSEMBLY OF THE INTAKE UNIT Remove the printer casing Release the paper feed assembly Insert a screwdriver on the left hand side of the printer and unhook the intake unit...

Page 54: ...LY OF THE PAPER FEED SHAFT Remove the printer casing Release the paper feed assembly Remove the ASF Remove the intake unit Using a screwdriver slide the bushing studs on both sides from their slots Tu...

Page 55: ...40J JP 90 Service Manual 8 6 DISASSEMBLY REASSEMBLY OF THE MAIN BOARD Turn the printer up side down Insert the screwdriver in slots F and release the cover Remove screw V Release the sever clasps G F...

Page 56: ...J Detach all connectors 8 7 DISASSEMBLY REASSEMBLY OF THE PAPER FEED MOTOR Remove the printer casing Remove the paper feed assembly Remove the intake unit Remove the motor after releasing it from the...

Page 57: ...he main board Detach connector 1 1 8 8 DISASSEMBLY REASSEMBLY OF THE BELT AND THE PRINT HEAD CARRIAGE Remove the printer casing Release the paper feed assembly From the right hand side of the printer...

Page 58: ...8 12 681640J New free the belt from the pulley on the left hand side Remove the shaft by sliding it upwards...

Page 59: ...8 13 681640J JP 90 Service Manual Remove the main board Detach connectors 1 Move hooks 2 to release the flat cable from the print head Slide off the guide of the flat cable 1 2...

Page 60: ...9 DISASSEMBLY REASSEMBLY OF THE CARRIAGE MOTOR Remove the printer casing Remove the belt and the print head carriage Remove the main board Detach connector 1 Move clasp 2 to free and remove the carri...

Page 61: ...e Manual 8 10 DISASSEMBLY REASSEMBLY OF THE PAPER DETECTION PHOTOSENSOR Remove the printer casing Free the paper feed assembly Free the paper detection photosensor 1 from its slot Remove the main boar...

Page 62: ...8 16 681640J 8 11 DISASSEMBLY REASSEMBLY OF THE CONSOLE Remove the printer casing Remove the main board Detach connector 1 1...

Page 63: ...UPD UPD UPD UPD UPDA A A A ATING ST TING ST TING ST TING ST TING STA A A A ATUS TUS TUS TUS TUS DATE UPDATED PAGES PAGES CODE 10 1996 1st EDITION 63 681640J 00...

Search results

Summary of Contents for JP 90

Reviews:

Related manuals for JP 90

Brands by name

Popular brands

Olivetti JP 90, Service Manual

Search results

Summary of Contents for JP 90

Reviews:

Related manuals for JP 90

Brands by name

Popular brands