10100125-A BK Tec Note Repl Ink Clean Sys
Contents
1. 19 Turn off and disconnect the external pump 20 To clean the machine s pump which belongs to the channel of the SIT that you already cleaned insert the lower fitting of the PRIMARY INK FILTER directly to the external flushing fluid bottle using a piece of black ink pipe 21 Connect a piece of black ink tube to the upper side of the machine pump and insert the other end into an empty bottle 22 Externally supply 24 volt to the machine pump using the same cable you used for the external pump 23 Let the flushing fluid flow through the PRIMARY INK FILTER and the machine pump for a few seconds until clean flushing fluid begins to drain out from the machine pump into the empty bottle 24 Disconnect the piece of black ink pipe connected to the SIT s vacuum fitting 25 Replace all old fittings using a 12 metric wrench 26 Reconnect the VACUUM PIPE to the SIT Matan Digital Printers Ltd Page 11 of 19 10100125 A Barak 27 Reconnect the lower side of the SECONDARY INK FILTER to the upper fitting of the machine pump 28 Reconnect the lower fitting of the PRIMARY INK FILTER to the MIT 29 Repeat steps 7 to 28 for all the ink tubes 30 Fill the MAIN INK TANKS with the appropriate ink 31 Fill and empty all the SITs between 5 and 7 times before printing in order to remove any flushing fluid residue Matan Digital Printers Ltd Page 12 of 19 10100125 A Barak The following two figures show th2. use two simultaneously The figure below shows an AC pump but if your system is configured for a DC pump you should use a DC pump 10100125 A Matan Digital Printers Ltd Page 8 of 19 8 Connect the pump to the Molex connector J5 near the ELECTRIC PANEL which supplies 24 volts to the pump i us You can also use the original pumps instead of an external pump Pa Ba a 9 Disconnect the lower end of the SIT from the pump 10 Connect the lower side of the SIT to a 50 cm piece of black ink tubing as shown below Filter Black tubing External Pump 11 Connect the other end of the tube to the external pump as shown above 10100125 A O Matan Digital Printers Ltd Page 9of 19 Barak 12 Insert the end of the other black tube from the pump into the bottle of flushing fluid as shown below 14 Connect a black ink pipe to the SIT and insert the other end of the pipe into an empty bottle 15 Turn on the external pump 16 The flushing fluid will wash the SIT and all the dirty liquid will drain into the bottle as illustrated in the following two figures Vacuum Pipe Black Ink Pipe 10100125 A Matan Digital Printers Ltd Page 10 of 19 10100125 A 17 From time to time bend the black ink pipe end to block the ink drain as shown below so that the flushing fluid will drain through the PRINT HEAD nozzles 18 Let the flushing fluid drain out until the color becomes clear
3. 16 Connect the two new metal fittings to the tank s threaded fittings using a 12 metric wrench as shown below These fittings don t need Loctite or any other sealing material as they have their own built in plastic O ring 17 Relocate the MIT on the printer s chassis and attach it with the four screws 18 Repeat all the above steps for the other three tanks Matan Digital Printers Ltd Page 6 of 19 Barak Cleaning the Entire Ink System 1 Empty the INK WASTE TANK 2 Disconnect all the pumps from the electricity supply as shown below Figure 3 Disconnecting the old AC Pump Figure 4 Disconnecting the new DC Pump 10100125 A O Matan Digital Printers Ltd Page 7 of 19 Barak 3 Turn on the Barak FE in ENGINEER MODE and open the I O UTILITY dialog box as shown below I O Control Main ink tank Pumps Pili Fiz Fs Pl Fs Pje Fl Fe Secondary ink tank O Pressure Gir Valves wji We wis vl4 Mls kle wiz le 4 Make sure all the 8 AIR VALVES check boxes are checked 5 In the SIT group box click the PRESSURE option All the SITs will empty I O Control Main ink tank Pumps Pi Plz Fs Fs Fs Pl Fl Fe Secondary ink tank C vacuum Air Valves wli Mle Mls Wl wis v 6 wW ve Ink Floats PILI 6 When air starts coming out from the nozzles click the VACUUM option The SITs are now completely empty 7 Prepare an external pump as shown below you can
4. ATAN Digital Printers Barak LT i IT i ee te HITE MITT LTAT ALITH Cleaning the Ink System amp Replacing the Ink Technical Note 10100125 Rev A 10100125 A Matan Digital Printers Ltd Page 1 of 19 Barak Safety Procedures Before reading this Technical Note please refer to the section on Safety Procedures in the Barak User s Manual About this Technical Note This Technical Note sets out the procedure for cleaning the Ink System and replacing the ink Before changing the ink the entire Ink System must be cleaned e The Barak printer s Ink System comprises either o Type A Using Gotec pumps or o Type B Using Hargraves pumps e Cleaning the Main Ink Tanks MIT e Cleaning the Secondary Ink Tanks SIT e Cleaning or replacing the Ink System Pipes 10100125 A Matan Digital Printers Ltd Page 2 of 19 Barak Cleaning the Ink System Cleaning the MIT 1 Disconnect the tubes from the MIT fittings as shown in Figure 1 page 3 Figure 1 The Main Ink Tank s Fittings 2 Remove the four retaining screws that hold the MIT and keep them for later use Retaining Screws 3 Remove the tank from the printer You might find that the tank has stuck to the chassis because of spilt ink 4 Dispose the old ink according to your local environment regulations 5 Remove the plastic or metal fittings and dispose of them 10100125 A Matan Digital Printers Ltd Page 3
5. e TYPE B system Pes Non return Valve Upper Filters Lower Filters Matan Digital Printers Ltd Page 13 of 19 10100125 A Barak 1 For the TYPE A INK PUMP SYSTEM disconnect one of the wires on the INK PUMP as shown below Disconnected Wire 2 For the TYPE B INK PUMP SYSTEM disconnect the wire connector from the pump as shown below Wire connector 3 To empty the SITs carry out a PURGE for each color Matan Digital Printers Ltd Page 14 of 19 10100125 A Barak 4 For the TYPE A INK PUMP SYSTEM disconnect the INK TUBE on each pump as shown below Ink Tubes 5 For TYPE B INK PUMP SYSTEM disconnect the IN INK TUBE from the pump as shown below 6 Connect the tubes from the pumps to the flushing fluid container in either ink system 7 Carry out a PURGE until clean flushing solution comes out of the PRIMARY INK TANK Disconnect the flushing tubes Cover the area underneath the INK FILTER with an absorbent cloth 10 Disconnect one of the 24v wires from the INK PUMP Matan Digital Printers Ltd Page 15 of 19 Barak 11 Carefully disconnect the lower INK TUBE as shown below and fit a plug over the tube to prevent leakage Connector for upper Ink Tube Ink Filter Connector for lower Ink tube 32 Carefully disconnect the upper INK TUBE and insert a plug into the tube to prevent leakage 33 Replace the INK FILTER with a new one 34 Carefu
6. lly remove the two plugs and reconnect the two INK TUBES 35 Disconnect the lower INK TUBE from the UPPER INK FILTER 36 Insert a syringe into the tube and draw out the air as shown below 10100125 A Matan Digital Printers Ltd Page 16 of 19 Barak Upper Filter DC Pump Lower Filter Main Ink Tank Not To Scale 37 When the syringe begins to fill with ink remove it and reconnect the tube 38 Connect the 24v wire to the INK PUMP 39 Remove the absorbent cloth and clean any ink that might have been spilled 10100125 A Matan Digital Printers Ltd Page 17 of 19 Barak Appendix A Damage Report Form not for Print Head Details of faulty part The Printer s Serial Number is displayed on the label located at the rear of the printer near the left end of the rollers as shown below ere CE FS S N HE CTT wee inv feral a Soe Si RE j pa i aE 10100125 A Matan Digital Printers Ltd Page 18 of 19 Document History 10000049 F Taylor 25 07 10 Cataloging a F Taylor 09 03 11 Ronen Shall 09 03 11 oe ee et Head Office Matan Digital Printers Ltd 14 Amal Street Park Afek Rosh Ha ayin 48092 Israel Tel 972 3 9002720 Fax 972 3 9002721 Email support matanprinters com U S Office Matan USA Inc 90 Earhart Drive Suite 4 Williamsville NY 14221 Tel 1 716 631 3770 Fax 1 716 631 3576 Email for customer support support matan
7. of 19 Plastic Fitting i Threaded Fittings 6 Thoroughly clean the two threaded fittings both inside and out 7 Pour approximately 2 liter of flushing fluid into the MIT Figure 2 page 4 The flushing fluid must be compatible with the ink that is being removed Be careful not to splash the liguid outside the tank and not to turn it upside down as it may damage the DIGITAL INK LEVEL SENSOR Figure 2 Pouring flushing fluid into the MIT 8 Thoroughly wash the inside of the MIT making sure that the corners are free of any residual ink 10100125 A Matan Digital Printers Ltd Page 4 of 19 Barak 9 Wait for a couple of minutes and then drain the liquid through the drain hole by unscrewing the drain plug located on the bottom of the tank as shown below Be careful not to lose the red gasket Drain Hole 10 Repeat steps 7 8 and 9 a couple of times on the same MIT 11 Screw back the plug and fill the tank with approx 2 liter of alcohol 12 Thoroughly wash the inside of the MIT 13 Open the plug be careful not to lose the red gasket and pour out the alcohol 14 Dry the inside of the tank using an air line as shown below 10100125 A Matan Digital Printers Ltd Page 5 of 19 10100125 A Barak 15 Attach the red gasket to the drain plug and tightly close the drain hole with the plug as shown below If the gasket is not in good condition you should replace it
8. printers com Europe Office Matan EU C Rosalia de Castro 21 08025 Barcelona Spain Tel 34 902 932825 Fax 34 902 932826 Email for customer support support eu matanprinters com 10100125 A O Matan Digital Printers Ltd Page 19 of 19
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