Leibinger JET3 UP Service Manual
  1. Manuals
  2. Brands
  3. Leibinger Manuals
  4. Printer
  5. JET3 up
  6. Service manual

Leibinger JET3 UP Service Manual

Hide thumbs Also See for JET3 UP:
Table of Contents

Advertisement

Quick Links

See also: Operating Manual
SERVICE MANUAL

Advertisement

Table of Contents
loading

Related Manuals for Leibinger JET3 UP

Summary of Contents for Leibinger JET3 UP

  • Page 1 SERVICE MANUAL...

  • Page 2: Table Of Contents

    Service Manual JET3 1 Introduction 1.1 Table of contents Introduction ......................... 2 Table of contents ....................2 Publisher ......................... 5 Introduction ......................7 Guarantee ....................... 8 Safety ........................... 9 Scope of risks ......................9 Safety instructions and recommendations ............... 9 Intended use ......................

  • Page 3: Table Of Contents

    Service Manual JET3 Transport/Start up (Putting into service) ..............22 Transport, storage, shipping ................. 22 Mounting ....................... 22 Installation......................24 5.3.1 Mains supply ....................24 5.3.2 Grounding (Potential equalization) ............... 24 5.3.3 Explosion protection ..................26 5.3.4 Print head ..................... 26 Trouble shooting .......................

  • Page 4: Table Of Contents

    Service Manual JET3 Hydraulic ......................144 Hydraulic scematic ..................144 Deplete routine ....................145 Exchange valve block ..................150 Electronics ......................158 Save data log-file..................158 Save info .....................161 Save prod. history file ..................164 Exchange power supply ................166 Exchange touch display................171 Exchange the controller board ..............182 Adjust the service interval ................209 Exchange the fan for the electronic cabinet ..........211 Rev.

  • Page 5: Publisher

    1.2 Publisher For questions regarding the operation and running of the as well as in service case please contact the listed dealer address. Dealer address Paul Leibinger GmbH & Co. KG Marking&Coding Systems Daimlerstraße 14 D-78532 Tuttlingen Federal Republic of Germany...
  • Page 6 Nevertheless errors cannot be excluded. Consequently no guarantee can be assumed for the correctness of the content of this manual and no claims can be asserted against Paul Leibinger GmbH & Co. KG. We shall be grateful for information regarding possible printing errors as well as for suggestions for the further optimisation of the device manual.

  • Page 7: Introduction

    It is only through the use of inks and solvents from Paul Leibinger GmbH & Co. KG that optimum operating characteristics can be achieved. Should other inks and solvents be used all guarantee claims will expire.

  • Page 8: Guarantee

    At this point we wish to make explicit reference to the fact that it is only when using solvent and ink from Paul Leibinger GmbH & Co. KG that the optimum operating characteristics can be achieved.In the event of use of other inks and solvents all guarantee entitlements shall cease to apply.

  • Page 9: Safety

    Service Manual JET3 2 Safety 2.1 Scope of risks The high performance printer has been built in accordance with state-of-the-art standards and recognized safety requirements and has been equipped with protective devices. Operational and safety checks of the installation were carried out before it left the factory. In case of improper handling or misuse, however, there are dangers for ...
  • Page 10 Failure to observe this instruction can lead to material damage, the loss of guarantee and to injury! Indicates service activities! This work must only be carried out by trained personnel or by Leibinger service technicians! Rev. 1.0...

  • Page 11: Intended Use

    Service Manual JET3 Indicates important user information for safe and effective working. Indicates recommendations for use and other useful pieces of information. 2.3 Intended use The high performance printer serves exclusively the contact-free marking, inscribing and coding of surfaces using the continuous ink jet process. The high performance printer can be used on the most varying materials (e.g.

  • Page 12: Safety Sticker

    Service Manual JET3 2.4 Safety sticker Figure 1 Rev. 1.0...

  • Page 13: Operating Staff

    The electrical and electronic components of the high performance printer are under voltage. The device must only be opened by trained personnel or by Leibinger service technicians. Prior to the opening of the device the device must be switched off and the mains plug removed.

  • Page 14: Safety Measures At The Place Of Installation

    Service Manual JET3  Ventilation in the hydraulic cabinet  HV-cutoff at creepage current  Plastic containers are arranged in the  HV- and ink cutoff as well as nozzle sealing field of metal surfaces (PE-potential) at HV-flashovers 2.9 Safety measures at the place of installation Mains connection! The device has no mains switch and must only be connected to a easy accessible plug socket in the direct vicinity of the place of...

  • Page 15: Dangers Through Consumables

    Service Manual JET3 2.11 Dangers through consumables Inks are coloured liquids on a solvent basis. The safety instructions on the containers of the consumables as well as the instructions in the group Accident prevention must be especially adhered to in order to exclude dangers for persons and the surroundings. Further instructions can be found in the Safety Data Sheets.

  • Page 16: Conformity

    Name and address of the person who is authorised to arrange the technical documentation: Volker Teufel, authorised documentation agent, Paul Leibinger GmbH & Co. KG, D-78532 Tuttlingen (Germany) Annotation: The device fulfills the fundamental health and safety requirements of the directive 94/9/EU, but is intended only for use outside of explosive areas.

  • Page 17: Accident Prevention

    Service Manual JET3 3 Accident prevention The following presentation shows the measures in the event of an accident with ink and solvent with the danger marking,  slightly ignitable  irritates the eyes and the respiratory organs. 3.1 Storage and handling (normal use) GENERAL These products must only used at points that are free from open flames and other ignition sources.

  • Page 18: First Aid Measures

    Service Manual JET3 3.2 First aid measures EYES Contact lenses must be removed. Rinse thoroughly with pure, fresh water for at least 10 minutes, keep eyelids spread and call a doctor. SKIN Remove contaminated clothes. Wash skin thoroughly with soap and water or with a branded skin cleansing agent.

  • Page 19: Measures In The Event Of Accidental Release (Spillage)

    Service Manual JET3 3.4 Measures in the event of accidental release (spillage) PRECAUTIONARY Switch off sources of ignition and ventilate room. Keep personnel MEASURES that is not absolutely necessary away. Do not inhale any vapour. Observe the protective measures listed. ENVIRONMENTAL DO NOT allow to enter waste water channels or waters.

  • Page 20: Technical Data

    Service Manual JET3 4 Technical data 4.1 Dimensions, weights, connections Cabinet : Stainless steel Width 486 mm, depth 286 mm, height 446 mm Weight: 20,5 kg Print head: Stainless steel cabinet Length (total) 265 mm, diameter 43 mm, Length of the print head lead 3 m, as option 6 and 10 m available Weight: 1,5 kg Any fitting position, also for overhead conveyor applications Figure 3...

  • Page 21: Electrical Connection Values

    Service Manual JET3 4.2 Electrical connection values Input voltage (voltage range): 100 - 240 V AC ,50-60 Hz Current consumption: max. 0,56 A at 100 V AC max. 0,25 A at 240 V AC Power consumption: typ. 20 W at 100 V AC typ.

  • Page 22: Transport/Start Up (Putting Into Service)

    Service Manual JET3 5 Transport/Start up (Putting into service) 5.1 Transport, storage, shipping In order to avoid damage during transport the following instructions must be observed. The JET3up must only be transported in a standing position. It is packed in a cardboard box with special polystyrene inserts for safe dispatch during delivery.
  • Page 23 Service Manual JET3 Figure 4 Movable underframe for JET3up: For this it is expedient to place the device on a device support. The device has four fastening possibilities for secure setting up and should be screw connected at the place of setting up. Figure 5 Fastening options A place of setting up with sufficient load bearing capacity and stability must...

  • Page 24: Installation

    Service Manual JET3 5.3 Installation For adaption to the production line several works have to be carried out and operating parameters have to be set before start of operation. 5.3.1 Mains supply Mains supply! The device does not have a mains switch and should be only connected to an easy accessible socket close to the installation location! The up should be connected to AC voltage 100 - 240 V AC, 50 –...
  • Page 25 Service Manual JET3 Please note, that the grounding point (6) is hidden behind the round grounding-symbol-label (7) on the lower left hand side of the cabinet of the printer. Figure 6 Grounding scematic Ground/earth Grounding scematic and gounding point 1 – Printer cabinet 4 –...

  • Page 26: Explosion Protection

    Service Manual JET3  A separate grounding line (min. cable cross-section 2,00 mm ) to the printer cabinet must be installed before the print head is mounted in the installation and before the printer is plugged to the power supply. ...
  • Page 27 Service Manual JET3 The print head should be mounted to the printed product that the notch in the head cover is placed vertical to the moving direction of the product. It can be installed horizontal, vertical, from the top or from the bottom. For installation from the bottom it has to be prevented that dirt can enter in the print head.

  • Page 28: Trouble Shooting

    Service Manual JET3 6 Trouble shooting 6.1 Trouble shooting Problem Reason Solution Remarks Increase print height in job parameter. Print height is too small Adjust print head. Wrong position of the ink stream in the See service document “print head Leave printer on with open nozzle and Ink build-up on the gutter gutter...
  • Page 29 Suction does not work Reducer in the ECOSOLVE is blocked See service document “cleaning of Ecosolve blocked Adjust print head nozzle”. The position of the ink stream in the gutter Ink is dropping from print head Clean nozzle See service document “head Check and clean reducer in ECOSOLVE.
  • Page 30 Service Manual JET3 Print head distance to close to the product Stroke distance too low Ink build-up on the head cover. Electrostatic charge on the product Too high setting of “contrast-function” Wrong print go delay Product counter is No high voltage onto deflection plates incrementing, but no print out Character height too low or set to 0% Slot of head cover blocked by dirt...
  • Page 31 A CPU (RIP) has sent a message (identifier) 2=Internal communication Carry out a software update success, please contact to a different CPU which is unknown. error LEIBINGER Possibly, firmware, and software versions are not compatible. 3=Internal communication Internal communication problem. Carry out a software update If no success, please contact error.
  • Page 32 A CPU (RIP) has sent a message (identifier) Change the controller board. If no success, please contact to a different CPU which is unknown. LEIBINGER See the service document Internal communication problem: Reboot again the system. "Exchange the Controller board...
  • Page 33 Reboot again the system. "Exchange the Controller board 113=Internal communication Carry out a software update. JET3up" A CPU (RIP) has sent a message (identifier) error Change the controller-board. If no success, please contact to a different CPU which is unknown. LEIBINGER...
  • Page 34 Read the script and interface If no success, please contact The lenght of a single packet doesn't fit in error protocol documentation! LEIBINGER the length. See the service document Internal communication problem: Reboot again the system. "Exchange the Controller board...
  • Page 35 1009=Extern text object Read the script and interface 1009 Syntax error in the external text object. syntax error protocol documentation! Read the script and interface 1010 1010=Too much objects More than 32 objects in a job. protocol documentation! The font could not be loaded in the job. Copy the required font into 1011 1011=Font missing...
  • Page 36 1202=Memory access error 1202 Software error! Carry out a software update. success, please contact in SRAM LEIBINGER Battery voltage is under the limit. 1203=Low battery voltage. So as not lose memory contents you should Exchange the battery onto the 1203...
  • Page 37 A CPU (RIP) has sent a message (identifier) communication error to a different CPU which is unknown. If no success, please contact Change the controller board. LEIBINGER Check the size of the print job and Read the script and interface 1213 1213=Job data too large A job is bigger than 1 MByte.
  • Page 38 Service Manual JET3 External text is too long for the external text Read the script and interface 1217 1217=Extern text too large object or false. protocol documentation! (Unauthorized characters?) The output drivers for the X 3 outputs logs too hot (overload, short-circuit) Rebooting the system will activate 1218=X3 Outputdriver Note: in order to protect IC, all outputs are...
  • Page 39 1224=Stop count value End of counter reached. Printing has been reached. 1224 stopped. Print has stopped. Start constant bleed function for about 10 minutes to get the air 1300=Faulty visco- The ball has not reached the upper sensor in out of the system. measurement.
  • Page 40 Service Manual JET3 The maximum fall time of 16.4 seconds was exceeded 1303=Faulty visco- i.e. the ball has passed the upper sensor, Take out the viscometer and flush measurement. but it has not arrived at the lower sensor. it several times with solvent. 1303 1 Ink is extremely thick If no success exchange the...
  • Page 41 Fall time of the ink is less than 2 seconds 1306 1306=Attention, ink too thin! lower than the nominal fall time (= ink too thin) The main pump could not push up the membrane in the middle position in normal operation within 2.5 seconds.
  • Page 42 Service Manual JET3 The compressor could not build up the 1308=Pressure fault. pressure within 120 seconds (!) 1 Pneumatic part leaking Hydraulic control has 1308 2. Defective compressor stopped. Please check air (possibly even wiring!) pump and all connections. 3. Air filter clogged" Ink flow sensor reports out of ink Possible causes: 1 Inkjet does not apply in the gutter tube...
  • Page 43 If software update is without 1315 1315=Inktyp not supported Ink type is not supported in the printer. Carry out a software update success, please contact LEIBINGER "Causes:" 1. Electrode block dirty with ink 5000=Charge Electrode 2. Head Electronics "filled with ink or solvent dirty.
  • Page 44 Service Manual JET3 "Causes:" 1. Electrode block dirty with ink 5001=Phasing error. Clean print head 2. Head Electronics "filled with ink or solvent Adjust ink stream ", system leak Please check if charge 5001 Exchange Electrode block 3. HV discharge onto head electronics electrode is dirty and clean if 4.
  • Page 45 Phasingerror. 5004=Phasing error. The time interval between two PrintGo`s is 5004 The time interval between too small. two PrintGo`s is too small. Increase delay or reduce production speed. No Encoder signals when attempting to drive 5010=An error occurred the motor. while the function Nozzle Causes: See the service document cleaning...
  • Page 46 Service Manual JET3 Causes: 5020=HV-Current too high. 1. Dirty deflection plates 5020 2. Head with ink or solvent filled Clean the print head Check deflection plate for 3. Error of the assembly dirt or humidity. (usually squeezed HV cable) Reduce the production speed if possible.
  • Page 47 Reduce the production speed if possible. Increase the stroke distance if Occurs when the print is (permanently) too possible. 5031=The printing speed fast, the StrokeGo monitoring is disabled Use a different speed mode to get 5031 much too highly. Drops will and as a result, the DAC FIFO run over.
  • Page 48 Service Manual JET3 The print distance specified in the JobEditor Increase the PrintGo distance or 5050=PrintGo distance is between two print is shorter than the print 5050 reduce stroke distance of the print shorter than Print length itself (i.e. the next print drops into first one). job.
  • Page 49 10006 Carry out a software update success, please contact One or more Fonts are corrupted or cannot be read from the disk. LEIBINGER incorrect. The desired job in the JOB directory is Create a new job and load to 10007...
  • Page 50 Service Manual JET3 Clean the print head with solvent.. 1. Print head mechanism stuck with ink. Check if the connector of nozzle See the service document “cleaning 11020=Nozzle has not been 11020 2. Motor defective motor is loose. closed print head of JET3up”. 3.
  • Page 51 11050=Error in Database Errors in the database source. Read the script and interface source. 11050 protocol documentation! Printing has been stopped. Print was stopped ! 12000=Invalid packet Read the script and interface 12000 Sent wrong parameters per interface. received protocol documentation! 12020=Current job not Read the script and interface 12020...
  • Page 52 Service Manual JET3 12105=Nozzle could not be Clean the print head with solvent. 1. Print head mechanism stuck with ink. closed! Check if the connector of nozzle See the service document “cleaning 12105 2. Motor defective motor is loose. printhead of JET3up”. Please check Nozzle in 3.
  • Page 53 12109=Please activate new Solvent! According to Please activate new Solvent! consumption measurement According to consumption measurement more Solvent was used than more Solvent was used than activated. 12109 activated. Please activate Please activate with new bottle (TAG) and fill with new bottle (TAG) and tank if necessary.
  • Page 54 Service Manual JET3 12112=Ink Jet is locked! Ink Jet is locked! Please activate new Solvent. According to Please activate new Solvent. According to consumption measurement consumption measurement more Solvent 12112 more Solvent was used than was used than activated. Please activate activated.
  • Page 55 21310=Ink tank reached low level position. Please hold Ink tank reached low level position. new bottle to the TAG Please hold new bottle to the TAG Reader 21310 Reader and activate it. After and activate it. After this fill in the complete this fill in the complete bottle bottle immediately into the ink tank.

  • Page 56: Service Works

    Service Manual JET3 7 Service works 7.1 Service TAG In order to reset the counter for the service interval you must activate a service TAG. The Tag is located invisible below the label of the main filter. Important Notice: The TAG is glued together with the label to the main filter. Do not try to remove the TAG from the main filter! This may destroy the TAG! It is necessary to activate the TAG before you change the main...
  • Page 57 Service Manual JET3 5. For a successful activation, it is necessary that you hold the main filter on the TAG reader during the whole activation process. Otherwise you will get the error message: “TAG activation failed”. After a successful activation the new service intervals are saved and the following message is displayed: TAG activation Close the dialog box with the button...

  • Page 58: Documentations For

    Service Manual JET3 Documentations for Torsional moments for SK4 Rev. 1.0...

  • Page 59: Cleaning Of Print Head

    Service Manual JET3  Cleaning of print head We want to ask for your attention regarding the print head cleaning process: Please be aware, that the print head has to be cleaned with solvent only in the front area. Behind the red line you must not clean with solvent. cleaning area =>...

  • Page 60: Cleaning Of Print Head/Electrode Block With Special Cleaner 77001-00020

    Service Manual JET3  Cleaning of print head/electrode block with special cleaner 77001-00020 Remove the print head cover. Loosen the two allen set screws at the side with an allen key 2,5 mm (metric) with one turn and remove the inner cover. Attention: Don’t use any kind of allen hydraulic settings with a ball head function.
  • Page 61 Service Manual JET3 Clean the Print Head only at the correct area, right of red dotted line. Attention: It is forbidden to clean on the left side of the dotted line. Don’t use any kind of solvent to clean the left side of the dotted line. Cleaning Area No cleaning necessary! =>...
  • Page 62 Service Manual JET3 Decline the print head into upfront position. Fill up Special Cleaner 77001-00020 into a spray bottle and spray it to the affected parts for cleaning. Together with a small brush you can easily remove the pollution in the cleaning area. Important assemblies which will be affected in their functionality during persist ink deposition: 1.
  • Page 63 Service Manual JET3 In some cases, there will still remain some rest of ink into the slot from the charge electrode. This could create some error messages, e.g. phasing error or error of drop control. To remove this rest of ink you can use a fine sand paper. With assistance of this fine sand paper it is possible to clean the slot of the charge electrode.

  • Page 64: Cleaning Of Nozzle With Special Cleaner 77001-00020

    Service Manual JET3  Cleaning of nozzle with special cleaner 77001-00020 Switch on the JET3up and wait till the “bleeding cycle” of the system is finished. Click on the softkey <Hydraulic settings> (1) to change to the menu <Printhead> (2). Press the button <Ink off> (3). 1 –...
  • Page 65 Service Manual JET3 Remove the print head cover. Release the retaining screws with an allen key 2.5 mm (metrical) by turning about one rotation and remove the interior cover. Attention: It is not allowed to use ball head allen keys, otherwise screw heads could be damaged.
  • Page 66 Wash up first the nozzle outlet, then the nozzle entry. 8. Generally it is allowed to clean the nozzle with an appropriate “ultra sonic bath”. Especially for tenacious deposits of ink Leibinger offers a special cleaner (77001- 00020) to clean the nozzle.
  • Page 67 Service Manual JET3 Due to some special ingredients of the cleaner, the nozzle must be washed up with tap water at the end of the cleaning process. Blow out the nozzle with clean air pressure (2 - 6 bar). Center the air-gun exactly in the middle of the nozzle and blow out for several seconds.
  • Page 68 Service Manual JET3 Close the nozzle seal completely by pressing the button <arrow> (1). Actuate several times in quick succession the buttons <Ink on>/<Ink off> (2). Press the button <Jet Adjust> (3) and wait until the nozzle seal is open. Check the jet position inside the gutter.

  • Page 69: Print Head Adjustment

    Service Manual JET3  Print head adjustment Switch on the JET3up and wait while the system is bleeding. Touch the softkey <Hydraulic settings> (1) and change to the menu <Printhead> (2). Turn off the function <Ink-Flow-Sensor> (3). 1 – Softkey <Hydraulic settings> 2 –...
  • Page 70 Service Manual JET3 Remove the head cover and press the button <Jet Adjust> (1). The nozzle seal opens automatically to the <Jet Adjust position> (4200) 1 – Button <Jet adjust> Align the ink stream with the two adjusting screws according to the sketch into the gutter tube.
  • Page 71 Service Manual JET3 Rotating the upper adjusting screw CW, the ink stream is moving a little bit angular in direction of the gutter tube top edge. Rotating the screw CCW, the ink stream is moving a little bit angular in the direction bottom edge of the gutter tube. (Viewing direction from nozzle to gutter) Gutter tube top edge...
  • Page 72 Service Manual JET3 Hint: Due to the constructional positioning of the adjustment screws, there will be always a movement like a skew during the adjustment on any screw. Due to this existing skew, usually both adjusting screws must be adjusted for the correct attitude. After adjustment of the entire drop production unit into the charging tunnel and deflecting plates, it has to be adjusted in such a way, that the ink stream knew parallel and concisely with the internal left of the charging tunnel.
  • Page 73 Service Manual JET3 Sequence of adjustment: Open the 5 retaining screws of the mounting plate until the plate can be moved lightly by hand. Relocate the mounting plate until the ink stream reaches the final adjustment position. Tighten the retaining screws and check the jet position again. Retaining screws (fix with Allen key (SW 1,5 mm) or Torx (T6)).
  • Page 74 Service Manual JET3 Switch on the button <Ink-Flow-Sensor> Close and open again the nozzle seal. Do a final check up for the correct position of the ink stream. Rev. 1.0...

  • Page 75: Exchange The Oscillator

    Service Manual JET3  Exchange the oscillator Start up the JET3up via the touch-display and wait until the initialization and the bleeding is finished. Touch the softkey <Hydraulic settings> (1), open the <Printhead> (2) menu and deactivate the <Ink-flow-sensor> (3) 1 –...
  • Page 76 Service Manual JET3 3. Open the headcover and switch the button <Ink off> (1) 1 – Softkey <Ink off> Remove the inner-cover, but open the allen-screws (2,5 metric) only one turn. Rev. 1.0...
  • Page 77 Service Manual JET3 Attention: Never use a balled head allen key, otherwise you are damaging the screws!!! Open the allen screw (1,5 metric) from the drop production unit, until it is possible to bring it into the service-position. Then close the screw until the unit is locked. Touch the <Jet Adjust>...
  • Page 78 Service Manual JET3 For the next steps you have to incline the head a little bit down, that the ink or solvent can leak out of the print head! Wind back the knurled-head screw to stop until the cross bolt centre turns on 90°. Is the nozzle adjustment released you can take out the nozzle.
  • Page 79 Service Manual JET3 Flush the hole (in the drop production unit) for the oscillator with solvent and dry it with clean compressed air. Attention : Don’t lose the oscillator o-ring during drying with compressed air. Be sure that no dirt is coming into the open system. Pay attention to the right installation position from the oscillator o-ring.
  • Page 80 Service Manual JET3 Fasten slightly the oscillator with a 7mm open-end hydraulic settings. Plug in the oscillator cable. If necessary clean the nozzle from both sides with appropriate solvent. Blow down the nozzle with clean air (pressure 2-6 bar). Focus the air gun exactly in the middle of the nozzle and blow down for several seconds.
  • Page 81 Service Manual JET3 Replace the nozzle and turn the knurled-head-screw to stop position. Thereby the cross bolt centre turns on 90° and arrests the nozzle. Afterwards turn back the knurled-head-screw about one rotation. Close the gutter tube by pushing the button <arrow> (1) and activate the <Ink-flow-sensor>...
  • Page 82 Service Manual JET3 Bring the drop production unit into the print position and put on and fasten the inner- cover. Finally check the correct position from the jet and the functionality Rev. 1.0...

  • Page 83: Exchange Gutter Tube

    Service Manual JET3  Exchange gutter tube Switch on the JET3up and wait until initializing is finished. Select the softkey <Hydraulic settings> (1) and switch to tab <Printhead> (2). Push the button <Ink off> (1) and afterwards open the nozzle by pushing the button <Jet Adjust>...
  • Page 84 Service Manual JET3 Put off the headcover and slice of the flexible tube from the gutter tube. ATTENTION: The gutter tube should not be damaged! Screw out the three cross head screws with a phillips-type screwdriver and put of the retaining plate.
  • Page 85 Service Manual JET3 Put in the new gutter tube and rotate the motor spindle counter clockwise to screw in the gutter tube. ATTENTION: The thread should not be damaged!!! Put on the retaining plate and screw in the three cross head screws by using a phillips- tip screwdriver.
  • Page 86 Service Manual JET3 Close the <Hydraulic> menu and switch off the JET3up. Plug off the power supply and plug in again after a few seconds. During the booting process the values of the nozzle encoder were set to zero and the shown value is the right again Open the nozzle and checkup the ink stream position.

  • Page 87: Exchange Suction Tube On Print Head

    Service Manual JET3  Exchange suction tube on print head Start up the JET3up via the touch-display and wait until the initialization and the bleeding is finished. Touch the softkey <Hydraulik settings> (1), open the menu <Printhead>-(2) and deactivate the <Ink-flow-sensor> (3). 1 –...
  • Page 88 Service Manual JET3 Open the headcover and switch the button <Ink off> (1). Remove the inner-cover, but open the Allen-screws (2,5 metric) only one turn. Attention: Never use a balled head allen key, otherwise the screws could be damaged!!! Rev. 1.0...
  • Page 89 Service Manual JET3 Open the allen screw (1,5 metric) from the drop production unit, until it is possible to bring it into the service-position. Then close the screw until the unit is locked. Touch the <Jet adjust> button (1). Now the gutter tube is moving automatically to an pre defined service-position (4200) (2).
  • Page 90 Service Manual JET3 Cut the old suction tube horizontal very carefully (stripping off with a knife) on the gutter tube Attention: Do not scuff or damage the gutter !!!     Remove the tube carefully by hand!!! Cut also the old suction tube horizontal (stripping off with a knife) on the drop production unit Attention: Do not scuff or damage the fitting !!!
  • Page 91 Widen the tube on both sides with a long-nosed pliers First connect the short side of the suction tube with the drop production unit! It is much easier to do this with the tool (tongs), which you can order from Leibinger. ...
  • Page 92 Service Manual JET3 12. Close the gutter tube with the <arrow> button (1) and switch the button <Ink on> (2) and activate the <Ink-flow-sensor> (3). 1 – Button <arrow> 2 – Button <Ink on> 3 – Button <Ink flow sensor> 13.

  • Page 93: Exchange The Electrode Block

    Service Manual JET3  Exchange the electrode block Switch off the JET3up. Switch off the JET3up Remove the mains plug. Dangerous electrical voltage! Contact causes serious damage through an electric shock! Disconnect the device from the voltage supply prior to open. Remove mains plug! Tools you need: 6-fold magnifying Glasss, Allen keys (SW 1,5 + 2,0 mm) and Torque Allen key with Blade for Torx (T6 + T8).
  • Page 94 Service Manual JET3 Remove print head cover. Release fixing bolts with allen key (SW 2,0 mm) by turning about one rotation and remove the interior cover. Attention: It is not allowed to use a golf ball head allen keys,otherwise screw heads could be damaged.
  • Page 95 Service Manual JET3 Remove the electrode block Remove the 6 Torx screws with a Torx screwdriver (T8) and unplug the electrode block from the print head! Disconnect the electrode block from the print head electronic parts. Unplug the charge board! Remove the fixing screws from the HV-Cable with a Allen key (SW 1,5 mm)! Rev.
  • Page 96 Service Manual JET3 7. Remove the flat seal. 8. Insert the new flat seal and push it correctly down. Attention: You can insert the flat seal only in one position!!! If the position is not correctly, it could be that the electrode block is not leak-proof.
  • Page 97 Service Manual JET3 10. Connect the Charge-Board on the electrode block Attention: Take care that PINS not dismantle, when you connect the Charge-Board on electrode block! 11. Put the electrode block in to the print head und fix it with screws. Attention: Take care, when you put in the electrode block in the print head, that no cable jammed!
  • Page 98 Service Manual JET3 12. Fix the mounting plate (with drop production unit). Fix all 5 screws + washers with an allen key (SW 1,5 mm) easily! 13. Plug in the main plug. Attention: Waiting for the booting process. After this you can switch on the printer! Rev.
  • Page 99 Service Manual JET3 Documentations for Torsional moments for SK6 Rev. 1.0...
  • Page 100 Service Manual JET3  Cleaning of print head We want to ask for your attention regarding the print head cleaning process: Please be aware, that the print head has to be cleaned with solvent only in the front area. Behind the red line you must not clean with solvent. No cleaning necessary Cleaning Area =>...
  • Page 101 Service Manual JET3  Cleaning of print head/electrode block with special cleaner 77001-00020 Remove the print head cover. Loose the two allen set screws at the side with an allen wrench 2,5 mm (metric) with one turn and remove the inner cover. Attention: Don’t use any kind of allen wrench with a ball head function.
  • Page 102 Service Manual JET3 Clean the Print Head only at the correct area, right of red dotted line. Attention: It is forbidden to clean on the left side of the dotted line. Don’t use any kind of solvent to clean the left side of the dotted line. No cleaning necessary Cleaning Area =>...
  • Page 103 Service Manual JET3 Decline the print head into upfront position. Fill up Special Cleaner 77001-00020 into a spray bottle and spray it to the affected parts for cleaning. Together with a small brush you can easily remove the pollution in the cleaning area. Important assemblies which will be affected in their functionality during persist ink deposition: 1.
  • Page 104 Service Manual JET3 In some cases, there will still remain some rest of ink into the slot from the charge electrode. This could create some error messages, e.g. phasing error or error of drop control. To remove this rest of ink you can use a fine sand paper. With assistance of this fine sand paper it is possible to clean the slot of the charge electrode.

  • Page 105: Removing And Cleaning The Nozzle

    Service Manual JET3  Removing and cleaning the nozzle Necessary tools: sixfold magnifier, 2mm hex key. Switch on the JET3up and wait till the “bleeding cycle” of the system is finished. Click on the softkey <Hydraulic settings> (1) to change to the menu <Printhead> (2). Press the button <Ink off>...
  • Page 106 Service Manual JET3 Remove the head cover. Unfix attachment screws around one rotation with hex key and take off the inside cover. Press the button <Jet Adjust> (1) The nozzle seal moves automatically onto the “. “service position Swing the swivel-unit upwards with one hand. Turn out the nozzle retaining plate with a special tool and clean the retaining plate with special solvent.
  • Page 107 Service Manual JET3 Turn out the nozzle with the same tool as the retaining plate and clean the nozzle just like the retaining plate with the special solvent. (Caution: Use the special tool only!) IMPORTANT: Don´t loose the sealing ring in the Tubus! Control the right position of the sealing ring! sealing ring ...
  • Page 108 Service Manual JET3 Close the nozzle seal completely by pressing the button <arrow> (1). Actuate several times in quick succession the buttons <Ink on> (2) / <Ink off> (3). Press <Jet Adjust> (4) and wait until the nozzle seal is open. Check the jet position inside the gutter. 1 –...
  • Page 109 Service Manual JET3  Print head adjustment Necesary tools: sixfold magnifier, 2mm hex key, T6x50 torx. Switch on the JET3up and wait while the system is bleeding Touch the softkey <Hydraulic settings> (1) and change to the menu <Printhead> (2). Turn off the function <Ink-Flow-Sensor>...
  • Page 110 Service Manual JET3 Remove the head cover and press the button <Jet Adjust>. The nozzle seal opens automatically to the <Jet adjust position> (4200) Unfix attachment screws around one rotation with hex key and take off the inside cover. Switch to the tab <Printhead> (1) and press button <Jet Adjust> (2). The nozzle seal opens automatically to the <head adjustment position>.
  • Page 111 Service Manual JET3 6. Adjust the Ink stream just like in the sketch below (view from nozzle to gutter tube) by adjusting the nozzle retainer and fix the screws again. Ink stream position in gutter tube 7. After the Ink stream adjustment you need to adjust the entire drop production unit in the charging tunnel and deflecting plates.
  • Page 112 Service Manual JET3 Turn on the Ink flow sensor by pushing the button <Ink flow sensor> (1) again. Now open the nozzle seal complete by using the <arrow key> (2). Now the Ink stream must be in the middle of the charging tunnel and parallel to the deflecting plates. Maybe you need to adjust the drop production unit again to get the exact position of the Ink stream.

  • Page 113: Exchange Oscillator

    Service Manual JET3  Exchange oscillator Necessary tools: Vario torque tool Art. Nr.: 55-004557 K Torx T6 Art. Nr.: 55-006360 K Special inlet for oscillator SK6 Art.-Nr.: 55-006012 S tweezers allen key 1,5mm allen key 2mm special tool for nozzle SK6 Art.-Nr.: E55-005548 S Switch on JET3up and wait until bleeding is finished.
  • Page 114 Service Manual JET3 Select softkey <ServiceFunctions> (1) and go in the menu <Hydraulic> (2). Select tab <Printhead> (3) and push the buttons <Ink off> (4) and <Jet adjust> (5). 1 – Softkey <Hydraulik settings> 2 – Menu <Hydraulik> 3 – Menu <Printhead> 4 –...
  • Page 115 Service Manual JET3 Pull out the coax connector of the oscillator by using the tweezers. Screw out the retaining screw of the grounding cable. Remove the retainer of the tubus by screwing out the two torx screws. Push the drop production body to the side slightly and screw out the oscillator with the special tool.
  • Page 116 Service Manual JET3 Plug in the new oscillator into the special tool and screw it into the drop production body. The torque to tighten the oscillator is 0,16 Nm. Mount the drop production body back on the adapter of the ground plate. Torque to tighten the retaining screws is 0,4 Nm.

  • Page 117: Exchange Head Motor

    Service Manual JET3  Exchange head motor Necessary Tools: 1,5mm hex key, 2,0mm hex key, tweezers, flat screwdriver 2,5mm Switch on the JET3up and wait until initialization is finished. Touch the softkey <Hydraulic settings> (1), go in the menu <Hydraulic/Printhead> and switch to tab <Printhead>...
  • Page 118 Service Manual JET3 Remove the inner head cover. Loose the tightening screws with the 2mm hex key around one turn and remove the inner head cover. Switch to tab <Printhead> (1) and push the button <Jet Adjust> (2). The nozzle seal will open automatically to the adjustment position.
  • Page 119 Service Manual JET3 Disconnect the motor from the print head. Disconnect the ink flow sensor. Use the tweezers to widen the heat shrink tube. Do not remove or damage the heat shrink tube! Loose the two tightening screws of the head motor (screw positions see red markings) by using the 1,5mm hex key.
  • Page 120 Service Manual JET3 Remove the retaining rings (see red markings) of the motor rail. Use the flat screwdriver to push the rings aside. ATTENTION: Do not lose the retaining rings, there are no new rings attached to the new motor! Push out the axis bolts.
  • Page 121 Service Manual JET3 Free the complete unit from the print head. Now turn the motor in counter clockwise till the motor shaft is outside the gutter unit. Take out the old motor. Insert the new motor in the unit and turn it clockwise to screw the motor shaft inside the gutter unit.
  • Page 122 Service Manual JET3 The motor should be positioned that the lable is on the top of the motor. Fix the motor in this position with the attached cylinder head screw. Plug in the connector of the ink flow sensor by using the tweezers. Maybe the heat shrink tube must be widen more.
  • Page 123 Service Manual JET3  Exchange gutter tube Switch on the JET3up and wait until initializing is finished. Select the softkey <Hydraulik settings> (1) and switch to tab <Printhead> (2). Push the button <Ink off> (3) and afterwards open the nozzle by pushing the button <Jet Adjust>...
  • Page 124 Service Manual JET3 Open the nozzle completely with the button <Open Nozzle> (1). Then switch off the printer with the button <Fast shutdown> (2) and remove the main plug. 1 – Button <Open Nozzle> 2 – Button <Fast shutdown> Put off the headcover and slice of the flexible tube from the gutter tube. ATTENTION: The gutter tube should not be damaged!!! Unscrew the two cross head screws with a phillips-tip screwdriver, unplug the safety pin and put of the retaining plate.
  • Page 125 Service Manual JET3 Pull out the safety pin with a tweezer Remove the mounting bolt Remove the locking ring carefully Remove the mounting bolt for the with a tweezer. motor-spindle mounting. Before you can remove the mounting bolt out of the swivel you must unscrew the 2 mounting screws for the motor mounting with an allen key (SW 1,5 mm): Unscrew the 2 mounting screws Now you can pull the motor-unit behind,...
  • Page 126 Service Manual JET3 Now remove the hole motor-spindel- Push the mounting bolt with a stick out of the swivel. Don’t damage the unit to remove the retaining plate. suspension. Remove the retaining plate Rev. 1.0...
  • Page 127 Service Manual JET3 Rotate the motor spindle clockwise with a slotted head screwdriver to screw out the gutter tube. ATTENTION: The thread should not be damaged! 10. Put in the new gutter tube and rotate the motor spindle counter clockwise to screw in the gutter tube.
  • Page 128 Service Manual JET3 11. Put in the motor spindle unit again. Put in the motor spindle unit inside the Put in the mounting bolt together with the two swivels again. suspension again. Put in the locking ring again to fixing the mounting bolt.
  • Page 129 Service Manual JET3 Screw in the 2 screws for the mounting of the motor with the allen key (SW 1,5 mm) completely again. Pull in the safety pin and fixed them Screw in the screws (2x) in the retaining with the locking ring again. plate again.
  • Page 130 Service Manual JET3 Information The printer will now check if he can drive the travel range and will drive automatically into the position zero to close the nozzle. During the booting process the values of the nozzle encoder were set to zero and the shown value is the right again.
  • Page 131 Service Manual JET3  Exchange suction tube on print head Start up the JET3up via the touch-display and wait until the initialization and the bleeding is finished. Switch the softkey <Hydraulik settings> (1), open the menu <Printhead> (2) and deactivate the <Ink-Flow-Sensor> (3) 1 –...
  • Page 132 Service Manual JET3 Open the headcover and switch the button <Ink off> (1). 1 – Button <Ink off> Remove the inner-cover, but open the allen-screws (2,5 metric) only one turn. Attention: Never use a balled head Allen wrench, otherwise the Screws could be damaged!!! Push carefully a tool like an allen key between the bearing block and the mounting plate.
  • Page 133 Service Manual JET3 Touch the button <Jet Adjust> (1). Now the gutter tube is moving automatically to a pre-defined service-position (4200) (2) 1 – Button <Jet Adjust> 2 –Service position (4200) Cut off the tube Attention: Do not scuff or damage the gutter !!! Cut off the old suction tube horizontal Remove the tube carefully by hand!!! very carefully (stripping off with a knife)
  • Page 134 Art. Nr.: 55-005000 K / Tube length: 120 mm 10. First connect the short side of the suction tube with the drop production unit! It is much easier to do this with the tool (tongs), which you can order from Leibinger. Rev. 1.0...
  • Page 135 Service Manual JET3 11. Connect the other side from the suction tube with the gutter. The suction tube must have a pre-bending like you can see on the pictures. Attention: The gutter tube is only fixed by laser-welding, don’t break it!! 12.
  • Page 136 Service Manual JET3 Close the gutter tube with the button <Close Nozzle> (1), switch the <Ink on> (2) and activate the <Ink-Flow-Sensor> (3). 1 – Button <Close Nozzle> 2 – Button <Ink on> 3 – Button <Ink Flow Sensor> 14. Bring the drop production unit into the print position. Then install the inner cover and tighten it.
  • Page 137 Service Manual JET3  Exchange the electrode block Switch off the JET3up. Remove the mains plug. Dangerous electrical voltage! Contact causes serious damage through an electric shock! Disconnect the device from the voltage supply prior to open. Remove the main plug! Necessary tools: 6-fold magnifying Glasss, Allen keys (SW 1,5 + 2,0 mm) and Torque Allen key with blade for torx (T6 + T8)
  • Page 138 Service Manual JET3 Remove the print head cover. Release fixing bolts with an allen key (SW 2,0) by turning about one rotation and remove the interior cover. Attention: It is not allowed to use a golf ball head allen keys, otherwise screw heads could be damaged.
  • Page 139 Service Manual JET3 Remove the electrode block Remove the 6 torx screws with a torx screwdriver (T8) and unplug the electrode block from the print head. Disconnect the electrode block from the print head electronic parts. Unplug the charge board! Remove the fixing screws from the HV-Cable with an Allen key (SW 1,5)! Rev.
  • Page 140 Service Manual JET3 Remove the flat seal. Insert the new flat seal and push it correctly down. Attention: You can insert the flat seal only in one position!!! If the position is not correctly, it could be that the electrode block is not leak-proof.
  • Page 141 Service Manual JET3 10. Connect the charge-board on the electrode block Attention: Take care that PINS not dismantle, when you connect the charge-board on electrode block! 11. Put the electrode block into the print head und fix it with screws Fix the screws in the displayed torque sequence Attention:...
  • Page 142 Service Manual JET3 Rev. 1.0...
  • Page 143 Service Manual JET3 12. Fix the mounting plate (with drop production unit). Fix the 5 retaining torx screws + the washers with a torx screwdriver 5,5 easily! 13. Plug in the mains plug. Attention: Waiting for the booting process. After this you can power on the printer! Information After that procedure it is important to check the ink stream position.

  • Page 144: Hydraulic

    Service Manual JET3 7.4 Hydraulic  Hydraulic scematic Rev. 1.0...

  • Page 145: Deplete Routine

    Service Manual JET3  Deplete routine Switch on the JET3up and wait while the system is bleeding. Touch the softkey <Hydraulic settings> (1) and switch off the <Control>-button (2). Touch <Special Functions/Tools> (1) and activate the function <Deplete Ink> (2). Rev.
  • Page 146 Service Manual JET3 Remove the return flow tube on the blue tube connector and connect a piece of tube on these connector (please see the following pictures). Put the end of this tube into an empty ink or solvent bottle and press the button <Next> (1) to start the routine.
  • Page 147 Service Manual JET3 Please confirm with the button <OK>. The menu will change back to <Special Functions/Tools>. The drained ink from the system can be used again if required. To drain the solvent-tank please activate the button <deplete solvent> (1). Put the drain tube (see point 4) once more in an empty ink or solvent bottle and start the deplete routine with the button <Next>...
  • Page 148 Service Manual JET3 Confirm with the button <OK> (1) and the menu changes back to <Special Functions / The drained solvent should not be used furthermore, because it is Tools> (2). strongly mixed with ink. 1 – Button <OK> 2 – Menu <Special Functions/Tools> Activate the function <Pressureless>...
  • Page 149 Service Manual JET3 Switch off the JET3up with the function <Fast shutdown> and plug out the printer from the mains supply. 10. For the transportation of the printer by a forwarding agency or air cargo, especially the print head has to be stowed on the suitable head packaging for protection. Also the hydraulic components like the main pump, suction pump and the valve block should be fixed with cable ties to avoid that they loose from the mounting rail.

  • Page 150: Exchange Valve Block

    Service Manual JET3  Exchange valve block Switch on the JET3up and wait for the bleed cycle. At the indicated main menu push the button <Hydraulic-/Printhead Test> (1). Switch off the button <Control> (1). Rev. 1.0...
  • Page 151 Service Manual JET3 Go to menu <Special Functions/Tools> (1) Push the button <Pressureless>(1) to remove the pressure of the hydraulic system. The following display appears Rev. 1.0...
  • Page 152 Service Manual JET3 Wait until the message „ System is pressureless now“and then push the button <OK> (1). Shut down the JET3up with the button <Fast shutdown> (1). Disconnect the device from the mains supply Please dress yourself with necessary safety equipment, before you start the modification (protective glasses, gloves, ect…) Rev.
  • Page 153 Service Manual JET3 Unfix the frame with the valves from the top-hat rail and put an underlay above the ink sensor to prevent soilings by ink. Unfixed without cable tie Fixed with cable tie Exchange the value: Now you can easily pull the holdfast with the valves out of the printer casing and you can change either value for value (if you want to change all values) or only...
  • Page 154 Service Manual JET3 Unscrew the screw connection with a jaw spanner (SW 10 mm) and take the AV valve out of the frame. Disconnect the 2 connecting wires + plus - minus from the AV valve. Connecting wire are labelled! a.
  • Page 155 Service Manual JET3 Put the new AV Valve in the frame again and tighten the screw connection with a jaw spanner (SW 10mm). Caution: To guarantee density of the hydraulic system it is absolutely necessary to cut off the last piece of the tube which was damaged by strip the tube. In case that the tube is too short you must change the hole tube!!! Pull over the Tube on the connector.
  • Page 156 Service Manual JET3 Plug in the mains plug. Switch on the JET3up and wait for the boot-process. Switch on the JET3up again. The following message appears: Confirm this message with <OK> (1) Rev. 1.0...
  • Page 157 Service Manual JET3 Test the reliability performance of the valves in menü <Special Functions/Tools> (1). Push the buttons: <Visco Pump> <Bleed Valve> <Mixer Valve> <Ink Valve> <Air release> If you hear a “click”, the valve is working! Switch on the button <Control> (1). Test the reliability performance of the valves, again.

  • Page 158: Electronics

    Service Manual JET3 7.5 Electronics  Save data log-file 1. Switch on the JET3up. 2. Plug in an USB - Stick on the backside. 3. Push the button <Data Logging> (1). 4. Push the button <Export> (1) in the menu <Data Logging>. Rev.
  • Page 159 Service Manual JET3 5. Confirm with the button <OK> (1). Push the <Close> (1) button to close the <Data Logging> menu. 7. Unplug the USB – Stick from the printer. 8. Plug in the USB – Stick to your computer. Rev.
  • Page 160 Service Manual JET3 Select the direct button <Open folder to view files> (1) and confirm with <OK> (2) 1 – Direct button < Open folder to view files > 2 – Button <OK> The directory <datalog_LJ3> (1) with serial number of the printer is now saved and available on the USB –...

  • Page 161: Save Info

    Service Manual JET3  Save info 1. Switch on the JET3up. 2. Plug in an USB - Stick on the backside. 3. Push the softkey <Info> (1). 4. Push the button <Export> (1) in the <Info> menu (2). Rev. 1.0...
  • Page 162 Service Manual JET3 5. Confirm with the button <OK> (1). 6. Close the <Info> menu (1) with the <Close> button (2). 1 – Menu <Info> 2 – Button <Close> Unplug the USB – Stick from the printer. Plug in the USB – Stick in your computer. Rev.
  • Page 163 Service Manual JET3 Select <Open folder to view files> (1) and confirm with <OK> (2). 1 – Direct button < Open folder to view files > 2 – Button <OK> 10. The directory <Info-LJ3> (1) with serial number of the printer is now saved and available on the USB –...

  • Page 164: Save Prod. History File

    Service Manual JET3  Save prod. history file 1. Switch on the JET3up. 2. Plug in an USB - Stick on the backside. 3. Open the drop-down menu <ServiceFunctions> (1) and select <Print History Protocol> (2). 1 – Menu <ServiceFunctions> 2 –...
  • Page 165 Service Manual JET3 6. Confirm with the <OK> button (1) 7. Close the <Print History Protocol> (1) menu with the <OK> button (2). 1 – Menu <Print History Protocol> 2 – Button <OK> Unplug the USB – Stick. Plug in the USB – Stick in your computer. Rev.

  • Page 166: Exchange Power Supply

    Exchange power supply !Attention! These activities, may be carried out only by authorised specialist staff or by a Leibinger service engineer. By non observance, danger of deadly injuries! Caution: Also with unplug the net line, rest voltage on the electronics, can exist.
  • Page 167 Service Manual JET3 3. Open the front door with a 4mm allen wrench. Open the door with the 4mm allen wrench 4. You will find the power supply in the right down corner inside of the electronic cabinet. Power supply Remove the cover of the power supply.
  • Page 168 Service Manual JET3 Disconnect the following wire connections: Power supply input  The main connection plug is marked with brown (L) and blue (N) Power supply output  Ground  The ground cable is marked (green / yellow) With the following symbol: Rev.
  • Page 169 Service Manual JET3 Remove the socket of the voltage supply Unscrew the 3 screws for the attachment. 3 x screws  Unscrew the screws with a 2,5 mm allen wrench.  Loose the fixing bolt Loose the fixing bolt with a 5,5 mm jaw spanner.
  • Page 170 Service Manual JET3 correctness examine: 8. The main power supply type for JET3up Mainpower Supply Part No: 55-006927 S 9. The installation for the new power supply takes place in the reverse order. 10. A functional test carry out: The net plug in the outlet put. The JET3up systems begins the boot process and then goes automatically in the Standby mode.

  • Page 171: Exchange Touch Display

    Service Manual JET3  Exchange touch display Switch off the JET3up. Switch off the JET3up Remove the main plug. Dangerous electrical voltage! Contact causes serious injuries through an electric shock! Disconnect the device from the voltage supply by remove the main plug before you open the electronic cabinet! Rev.
  • Page 172 Service Manual JET3 Open the front door of the electronic cabinet Allen Key (SW 4 mm) Disconnect the connector cables between the display and the controller board:  Disconnect the touch sensor cable Touch sensor cable  Disconnect the display power supply Rev.
  • Page 173 Service Manual JET3  Disconnect the cable for the display illumination Unscrew the 12 nuts for the display attachment 12 x Nuts M4 Socket with (SW 7mm) Remove the frame carefully Pull the cable for the display illumination carefully throughout the hole of the frame.
  • Page 174 Service Manual JET3 Extract the display out of the notch. You don`t have to remove the spacers and the washers! So watch out that they don`t fall down from the thread bolts! Attention!!! After removing the frame the display is not fixed anymore. So you must keep out, that the display can not fall out of the notch!!!
  • Page 175 Service Manual JET3 Put the frame on the display again Pull the cable for the display illumination carefully throughout the hole of the frame again. Adjust the display to the center position of the notch. The display is in the center position, when the black frame of the screen has everywhere the same wide like shown in the picture: If it is necessary do this step together with a second person in front of the display.
  • Page 176 Service Manual JET3 Fix the Display again Important notice: For fixing the display it is absolutely necessary that you use new self locking nuts which are unused!!! Necessary tools: Torque spanner with socket nut (SW 7mm) Adjust a torque of 0,33 NM at the torque spanner 12x washers 12 x self-locking nuts M4 with blue...
  • Page 177 Service Manual JET3 Fix the nuts for the display attachment again. Important: First step: To guarantee that the frame can not to become unfastened the nuts must tighten in crossed way. Second step: In addition the nuts must tighten in clockwise direction 1.Step: tighten nuts in the following...
  • Page 178 Service Manual JET3 Connect the connector cables between the display and the controller board again.  Connect the cable for the display illumination. Connect carefully!!!  Connect the touch sensor cable touch-sensor- cable  Connect the display power supply cable Rev.
  • Page 179 Service Manual JET3 Check up all connector cables again. If the LCD-display-cable is not connected correctly, the illustration of the display could be defective. Close the front door. Allen key (SW 4mm) Plug in the main plug Switch on the JET3up and calibrate the touch display. Necessary Tool: Touch Display Pen Art.
  • Page 180 Service Manual JET3 Select the menu <Extra> (1). Select the option <Touch Calibration> (1). Touch in the middle of the crosses with the touch-display pen. Rev. 1.0...
  • Page 181 Service Manual JET3 If this message appears, confirm with the button <OK> (1). The touch calibration is successfully carried out now. Rev. 1.0...

  • Page 182: Exchange The Controller Board

    Backup: Before changing the controller board, make a backup copy of all the relevant settings from the machine. The new controller board is programmed with default settings from Leibinger. These settings could be different from your original JET3up printer. ...
  • Page 183 Service Manual JET3 5. The „Info“ window will be close after pressing the <Close> button Jobs / Grafics / Fonts backup 1. Press the <Explorer> button (1) to open the explorer 2. Select the <USB – Stick> in the drop down list <Device> (1). Rev.
  • Page 184 Service Manual JET3 Select the option <All> (1) in the “Filter” drop down list 4. Press the button <Select All> (1) 5. Press the button <copy to (external) device> (1) Rev. 1.0...
  • Page 185 Service Manual JET3 6. After pressing the button <Close> (1), the window will be close: 7. Disconnect the “USB – Stick“ from the JET3up 8. Use a PC to check if the backup file has been saved on the “USB – Stick”. Open the directory <LJ3_Log>...
  • Page 186 Service Manual JET3 Change the controller board with the following steps: Necessary tools: Special assembly tool: Art. Nr.: 55-006824 K Face pin wrench Art. Nr.: 54-003526 K Special assembly tool Face pin wrench Switch off the JET3up. Switch off the JET3up Remove the main plug.
  • Page 187 Service Manual JET3 Open the front door of the electronics cabinet Allen key (SW 4mm) Remove the cover of the power supply 3 x screw M4 for attachment. Unscrew the screws with an allen key (sw 2,5mm) and extract the cover. Rev.
  • Page 188 Service Manual JET3 Disconnect the wires for the cable connection   Disconnect the ground wire right of the board Disconnect the power connector XS3 of the board   Disconnect the ground wire below the board Disconnect the USB-connection X20 ...
  • Page 189 Service Manual JET3   Disconnect the HV Modul / converter Disconnect the data wires for: X120: Charge voltage X190: Oscillator voltage   Disconnect the head connection X11 Disconnect the hydraulic connection X8 Disconnect hydraulic connection KL1 and optional hydraulic connection KL 2 Information To disconnect the interfaces KL1 and KL 2 you must take the...
  • Page 190 Service Manual JET3 Disconnect the socket KL 1 for the hydraulic connection Place the assembly tool exactly in the middle of the connector. Push them carefully inside between the socket and the plug. Pull the plug out of the socket by a slotted screwdriver.
  • Page 191 Service Manual JET3 Remove the screw connections in front of the board. After all wire connections are disconnected you can unscrew the screws and the thread bolts of the board from the front side. 4x screw M4. 2x thread bolt. ...
  • Page 192 Service Manual JET3 Remove the screw connections of the interfaces on the backside of the printer. Use the special tool. The tool is not an item of the delivery. You must order it extra! Backside of the printer with the interfaces Special assembly tool.
  • Page 193 Service Manual JET3 In the last step remove the controller board. Information The installation of a new mainboard takes place just in the reverse order! Rev. 1.0...
  • Page 194 Service Manual JET3 Important hints of Jumper-Setup Jumper Setup (depending of umbilical length and type of print head) Information After the installation of a new main board you must adjust the correct jumper position. The jumper-position depends on: type of print head frequency of piezo and umbilical length.
  • Page 195 Important information about ink and solvent The default setting for the ink- and solvent parameters are specially adjusted by Leibinger so that it is not necessary to TAG a new bottle for solvent and ink after exchanging the main board.
  • Page 196 Service Manual JET3 Press the button <Settings> (1) to open the drop down menu. 4. Select the option <Basic Settings> (1) Select the window <Language/Unit> (1) and open the Drop-down list <Menu language> (2) to select your language. Rev. 1.0...
  • Page 197 Service Manual JET3 6. Close the window with the <OK> button (1). Information Further settings details you will find in the operating manual Rev. 1.0...
  • Page 198 Service Manual JET3 Enter the hydraulic settings 1. Press the button <Settings> (1) to open the drop down menu. 2. Select the option <Hydraulic Settings> 3. Take your printed „info“ file as your template Information These informations will be relevant for the hydraulic settings!!! Rev.
  • Page 199 Service Manual JET3 4. Enter the <Pressure> in the display field. There are two possibilities to set the values for: Pressure Suction Pump Visco Correction Fall time Nozzle: 1. Change the values via arrow keys (high-low) 2. Direct input via numberblock 5.
  • Page 200 Service Manual JET3 7. Enter the <Fall time> in the display field. 8. Enter the <Nozzle> size in the display field. 9. Open the Pop up window to select the <Ink number>. Rev. 1.0...
  • Page 201 Service Manual JET3 10. Select the <Frequency> in the display field. 11. Close the window with the button <OK> (1) and safe the settings by pressing the button <Yes> (2). Rev. 1.0...
  • Page 202 Service Manual JET3 Load the saved files 1. Connect the “USB – Stick” to the JET3up 2. Press the direct button <Explorer> (1) to open the explorer. Select <USB – Stick> (1) in the drop down list. 4. Select “Filter” <All> (1) in the drop down list. Rev.
  • Page 203 Service Manual JET3 5. Select <extern memory> (1) in the selection window. 1 – Selection window <extern memory> After pressing in the selection window “extern memory”, the window will be active (blue). 6. Press the button <select all files> (1). 7.
  • Page 204 Service Manual JET3 8. The machine maybe will show you „File exists already, overwrite?“ Press the button <Yes, All> (1). 9. Press the <Close> button (1) to close the Explorer Rev. 1.0...
  • Page 205 Service Manual JET3 Set the new controller board back to the “factory value” 1. The nozzle must be close and the print head cover must be open 2. Press the button <Settings> (1). Select the option <Password Active> (1) in the drop down menu. 4.
  • Page 206 Service Manual JET3 5. Press the button <Enter> (1) to certify the input of the password. 6. Press the <hidden> button in the left down corner of the window to go back to the basic menu. 7. Press the button <Service Function> (1). Rev.
  • Page 207 Service Manual JET3 8. Select the option <Service Interval> (1) in the drop down menu. 9. Insert the <SerNr.> of the machine in the display field: 10. Press the button <Set to Factory Values> (1). Rev. 1.0...
  • Page 208 Service Manual JET3 11. With pressing the <OK> button, (1) the factory settings will be saved. 12. Close the window with the <OK> button (1). The „Factory Values“ are done, the printer is now ready for the first test Rev. 1.0...

  • Page 209: Adjust The Service Interval

    Service Manual JET3  Adjust the service interval Information After the main board is exchanged it is necessary to enter the deleted values for the “Service Interval”! In order to reset the counter for the service interval you must activate a “Service TAG”. Each new controller is delivered together with a “Service TAG”.
  • Page 210 Service Manual JET3 5. For a successful activation, it is necessary that you hold the “Service TAG” on the TAG reader during the whole activation process. Otherwise you will get the error message: “TAG activation failed”. After a successful activation the new service intervals are saved and the following message is displayed: TAG activation Close the dialog box with the button...

  • Page 211: Exchange The Fan For The Electronic Cabinet

    Service Manual JET3  Exchange the fan for the electronic cabinet Switch off the JET3up. Switch off the JET3up Remove the main plug. Dangerous electrical voltage! Contact causes serious injuries through an electric shock! Disconnect the device from the voltage supply by remove the main plug before you open the electronic cabinet! Rev.
  • Page 212 Service Manual JET3 Open the front door of the electronic cabinet. (SW 4mm) Allen key Remove the cover of the power supply. For disconnect the power supply it is advantageous to remove the cover of the power supply at first. Unscrew the 3 screws for attachment with an allen key (sw 2,5mm) and...
  • Page 213 Service Manual JET3 Remove the fan Now remove the fan by solving the 2 attachment screws: Unscrew the 2 screws with an allen key (SW 2,5 mm) and extract the fan. Remove the fan with the mounting plate! Unscrew the 2 mounting screws with an allen key (SW 2,5 mm) to remove the...
  • Page 214 Service Manual JET3 After installation close the front door of the electronics cabinet Allen key (SW 5mm) Plug in the mains plug Switch on the printer. Rev. 1.0...

Table of Contents