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1. 1 Make sure that the head carriage is in the home position as shown in Figure 49 Figure 49 Head Carriage in Home Position 2 Using the plastic spray bottle filled with clean solvent thoroughly wet all the print heads you are not replacing see Figure 50 Figure 50 Spraying the Print Heads with Solvent 5 3 3 Remove the residue from each print head in turn by holding the vacuum cleaner rubber pipe firmly against the print head see Figure 51 while pressing the vacuum button Figure 51 Removing Ink Residue from the Heads warns AAN S Take special care to avoid contact or scratching the surface of the print heads with the vacuum cleaner pipe 4 From the Grandjet Classic main screen click on the Maintenance icon The Maintenance dialog box opens see Figure 52 Scitex Vision Grandjet Classic User Manual General Maintenance Maintenance Ea Figure 52 Maintenance Dialog Box 35V Power ON 5 Under the Power Supply controls turn OFF the 35V power supply to the print heads in accordance with the respective color to be changed In this example we will begin by turning off the heads that use black ink by clicking the appropriate black button which is currently in the On status as shown in Figure 52 6 Disconnect the air tube from the appropriate secondary ink tank in accordance with the black print head to be changed and in place of this insert the black plastic sto
2. 5 Disconnect the inlet and outlet tubes from the ink filter see Figure 46 Inlet Tube Ink Filter Outlet Tube Figure 46 Ink Filter and Tubes 6 Remove the ink filter and dispose of it by taking the necessary precautions caurion W Dispose of waste material in accordance with individual country safety requirements and local authority regulations 4 3 10 11 12 13 14 fit it into position making sure that the arrow marked on the side is facing in the correct direction as shown in Figure 44 on page 4 2 wae D S Ink flow through the filter must be in the same direction as that marked by the arrow Connect the inlet and outlet tubes to the new filter Connect the ink tube to the secondary ink tank Repeat Step 4 through Step 9 for the remaining ink filters in the black ink group Repeat Step 4 through Step 9 for each of the filters in the remaining ink color groups yellow magenta and cyan respectively Check all ink tubes and filter connections for each ink color and make sure there is no ink leakage Open the main air pressure valves on the main ink tanks Replace the panel removed in Step 3 on the front of the head carriage cover and screw firmly into position Scitex Vision Grandjet Classic User Manual 3 Monthly Care 15 Test the print heads for leakage by proceeding as follows With black ink spraying steadily hold a sheet of white A4 sized paper at a sh
3. Water Trap Fine Moisture Trap Ink Tanks Pressure Regulator Ink Tanks Pressure Gauge Figure 12 Air Pressure Gauges 3 If necessary adjust the appropriate pressure regulator ink tanks or main by turning itina clockwise or counter clockwise direction until the correct pressure registers on the corresponding gauge see Table 1 To gain access to the pressure regulators you will need to open the pneumatic cabinet door When adjusting a pressure regulator the black regulator cap must be pulled upwards or downwards see below before turning it in a clockwise or counter clockwise direction as appropriate Main regulator pull cap upwards Main ink tanks pull cap downwards Push the cap down or up again when adjustment is finished Inspect all air hoses for leaks Check the water trap beneath the main pressure regulator see Figure 12 and if necessary press the valve at the base in an upward direction until all the water has drained Release the valve and make sure the trap is closed Check the fine moisture trap see Figure 12 and if necessary release any excess moisture by turning the knurled nut at the base of the trap ina clockwise direction until all the moisture has drained Then turn the nut counter clockwise until the trap is securely closed Close the pneumatic cabinet door Scitex Vision Grandjet Classic User Manual Daily Care Checking the Air Dryer In accordance with site prepar
4. 25 When all print heads are spraying heads correctly with no signs of clogging click OK to close the Maintenance dialog box If any sign of clogging still remains clean the block heads again by repeating the above procedure and injecting them again with solvent In the event that clogging persists it will necessary to Q CAP replace the faulty print head s Refer to the step by step instructions for Replacing a Print Head on page 5 2 Figure 36 Print Head Arrangement on Head Carriage 3 11 Scitex Vision Grandjet Classic User Manual Weekly Care Emptying the Waste Ink Tank When ink particles and residue are removed from the print heads with the vacuum pipe the waste material is sucked into a special waste ink tank This receptacle is fitted to the base of the Grandjet Classic printer printer main frame and held in place within a metal housing as shown in Figure 37 It is recommended that the waste ink tank be emptied every week to eliminate the risk of the tank overflowing and also to prevent the build up of excess dried ink thereby ensuring efficient print head cleaning During heavy print runs this procedure may be required even more frequently Waste ink tank Figure 37 Waste Ink Tank The tank has a fume exhaust a flexible pipe connected to the overhead hood and is also connected to the pneumatic system A flexible plastic pipe attached to the vacuum cleaner leads into the neck of the waste tank
5. Both this and the exhaust pipe are held firmly in place fitting through holes in a black plastic cap screwed to the tank see Figure 38 Air pressure tube Waste ink tube Exhaust tube Plastic Cap Figure 38 Waste Ink Tank Connections While emptying the waste tank it is recommended to place some absorbent paper beneath the tank to absorb any surplus leakage and help keep the housing clean Scitex Vision Grandjet Classic User Manual Weekly Care 3 Clean the interior of the waste ink tank by carefully Emptying the Waste Ink Tank swilling it with solvent and then pouring this also into the waste container 1 Unscrew the black plastic cap on the top of the waste tank and carefully remove the tank from its camo A o metal housing see Figure 38 on page 3 12 Dispose of waste ink in accordance with individual 2 Remove all ink waste and residue from the bottom country safety requirements and local authority of the waste ink tank by carefully pouring it into the regulations waste container allocated for this purpose as shown in Figure 39 4 Replace the waste ink tank in its housing and carefully reinsert the plastic tube into the neck of the tank making sure it is positioned securely 5 Screw the black plastic cap onto the neck of the waste ink tank making sure that the flexible pipes are fixed securely Figure 39 Emptying the Waste Ink Tank 3 13 Scitex Vision Grandjet Classic User Manual
6. Daily Care 5 Press the piston control up arrow to close and return memory to the pressure shaft 6 Repeat Step 1 through Step 5 to check each of the other two Piston Emergency Stop button s at the rear of the printer eea Whenever performing this checking procedure it is important to make sure that all Piston Emergency Stop Buttons are enabled refer to Step 3 and ready for immediate use in the event of an emergency This will eliminate the risk of possible injury to the operator and prevent any obstruction caused by hands fingers clothing or other foreign objects Mains Power Emergency Stop In addition to the safety devices fitted to the Grandjet Classic printer it is important to perform a daily check of the mains power Emergency Stop button to make sure that this is fully operational It is recommended that this procedure is performed during system start up AFTER turning on the mains power switch and circuit breaker on the electrical control panel located at the rear of the printer on the left side but BEFORE turning on any other circuit breakers Power to the computer should also be OFF caurion Access to the wall mounted mains PDU must be kept clear at all times Checking the Mains Power Emergency Stop 1 Check that the mains circuit breaker on the wall mounted PDU is in the ON up position and that the PDU Emergency Stop button is released ready Scitex Vision Grandjet Cl
7. Weekly Care Checking the UPS For systems using a UPS it is recommended that weekly checks are conducted to ensure reliability as described below Checking the UPS Switch OFF mains power to the UPS With the printer running ensure that the UPS is able to maintain power for at least 10 minutes or for as long as applicable in accordance with the type of UPS Restore the mains power to the UPS In the event that the UPS is unable to maintain power for the prescribed period refer to the manual supplied with the UPS Checking the Pressure Shafts and Pistons It is recommended that the Grandjet Classic printer pressure shafts and pistons are inspected weekly to check that they are correctly adjusted and that movement is smooth and properly synchronized This will ensure that pressure is applied evenly on the media for the entire length of the Y axle pressure roller and eliminate possible media loading difficulties The system is fitted with four Y axle pressure shaft pistons As described below a simple adjustment procedure is required to compensate for irregularities which may occur in any one or more of these components 7N DANGER The pistons exert considerable pressure therefore extreme care must be taken to avoid injury to hands or fingers Only ONE person may operate the pistons When activating the pistons always move away from the axles Scitex Vision Grandjet Classic User M
8. as shown in the following example 5 8 30 3l Each block of printed lines corresponds to the print head arrangement on the head carriage see Figure 48 on page 5 2 Inspect each of the six printed blocks and verify that all lines are sprayed evenly and that no portions of a line are missing Replacement of defective print heads that use black ink is now complete Working downwards color by color yellow then magenta then cyan and outwards from A to F not in reverse order repeat Step 5 through Step 30 for any other print heads which need to be replaced wam AN O While performing this procedure switch OFF the 35V Power to the corresponding group of print heads yellow magenta or cyan as appropriate see Step 5 Remember to keep the print heads you are not replacing wet by spraying with solvent Scitex Vision Grandjet Classic User Manual
9. here Figure 42 Y Axle Piston Control Button OFF The Y axle pressure roller immediately disengages and falls slowly to return to its original position Working on the Y axle piston or pistons requiring adjustment use a small flat screwdriver as shown in Figure 43 to turn the relevant adjusting screw upper or lower in the appropriate direction and for the required amount of adjustment as follows e Upper screw adjustment effects piston downward movement e Lower screw adjustment effects piston upward movement Screw Turning Direction Counter Clockwise Effect Closes air Increases resistance release valve Slows piston action Opens air Decreases resistance release valve Speeds up piston action Figure 43 Turning the Adjusting Screw caurion W When adjusting pistons take extreme care to stand away from moving axles before testing the results 6 Repeat Step 2 and Step 3 to check the pressure roller movement again 7 Ifnecessary repeat Step 4 and Step 5 then check the movement again making any additional adjustments necessary as previously described 8 When the pressure roller adjustment has been completed satisfactorily repeat Step 4 to turn OFF the piston control button and deactivate the pistons The Y axle pressure roller immediately disengages and falls slowly to return to its original position The piston checking procedure is now complete Scitex Vision Grandjet C
10. 00 0000 ee 2 14 Refilling the Main Ink Tanks 0 eee ee 2 14 Cleaning the Print Heads Basic Method 2 16 Chapter 3 Weekly Care Checking the Printer for Levelness 3 2 Greasing the Linear Barc iscsaie snus ddeaewessoews sane 3 3 Cleaning the Print Heads Advanced Method 3 6 Emptying the Waste Ink Tank 004 3 12 RNSCKING GG CIPS 642 6 c eh 00s des beens cee ceeess 3 14 Checking the Pressure Shafts and Pistons 3 14 Chapter 4 3 Monthly Care Replacing the Ink Filters 2 2 0 0 eee eee 4 2 Chapter 5 General Maintenance Replacing a Print Medes io lt devssingeedssidabebredya 5 2 Scitex Vision Grandjet Classic Care and Maintenance GRAND 4 x lt itox vIBIOR Care and Maintenance the What to do When guide Weekly Every 3 Months As Required e Visual Check of System e Check Printer for Levelness e Replace Ink Filters e Replace Print Head s e Clean Printer and e Grease Linear Bar Print Production Area e Inject Print Heads with Check Safety Devices Solvent advanced cleaning Check Pneumatic System Empty Waste Ink Tank Refill Main Ink Tanks Check UPS if applicable Clean amp Test Print Heads Check Pressure Shafts and Pistons Adhesive sticker for a convenient reminder peel off backing and attach to printer in a prominent position Chapter Safety Information Contents at a glance General Safe
11. 4 If both levels are reading correctly the leveling check is complete If not contact your Scitex Vision Ltd FSE and await further instructions Figure 20 Spirit Level on Left Side 3 2 Scitex Vision Grandjet Classic User Manual Weekly Care Greasing the Linear Bar The linear bar at the base of the Grandjet Classic printer printer head carriage requires a light application of grease every week This is recommended to ensure smooth operation and maintenance of moving system components Before commencing this procedure make sure that a No 5 Allen key is readily at hand and that the grease gun supplied with the system is filled with sufficient grease of the recommended type warmno D S Solvent and solvent based ink used with the Grandjet Classic printer have flammable and irritant properties For full details refer to the Material Safety Data Sheets provided in the Scitex Vision Grandjet Classic User Manual see the Appendix a Chemicals hazard information and packaging for supply CHIP classification caurion W When handling inks and solvent always adhere to the recommended precautions see Handling Ink and Solvent on page l 8 Use only inks and solvent approved by Scitex Vision Ltd Greasing the Linear Bar Press either of the Main Emergency Stop buttons The Grandjet Classic printer is now in safe mode Apply a small quantity of solvent to a soft cloth and working along the full length
12. flush the head with air to expel as much surplus oil as possible Each new print head is packed in a sealed nylon packet containing protective oil Scitex Vision Grandjet Classic User Manual General Maintenance 14 Disconnect the syringe and tubing from the new print head With the spare tubing still attached to the syringe fill the syringe with 50 cc clean solvent 15 Reattach the syringe and spare tubing to the new print head and carefully flush it with solvent to remove any residual oil see Figure 58 P Figure 58 Flushing a New Print Head with Solvent 16 Disconnect the syringe and spare tubing from the new print head 17 Carefully remove the tubing from the tubing holder on the new print head and mount the head holder adapter onto the head using the Allen key to secure firmly see Figure 59 5 6 Allen key Tube holder Figure 59 Mounting Head Holder Adaptor onto the Print Head 18 Replace the tubing and tighten the screw on the tube holder to secure it firmly in position 19 Repeat Step 13 through Step 18 to prepare any other new print heads that will use black ink caurion W Remember to keep the surfaces of the print heads you are not replacing wet by spraying them repeatedly with solvent as described in Step 2 Scitex Vision Grandjet Classic User Manual General Maintenance 20 Working from the inside of the head carriage and 21 the uppermost group of heads
13. office report the incident and await further instructions 11 For recommended care and maintenance of the system refer to the appropriate instructions given in this guide For quick reference an adhesive Care amp Maintenance Chart is provided on page ix 12 Electrical Shock Hazard DANGER 7N Internal circuits use high voltage 220V capable of causing death or serious personal injury IT IS DANGEROUS AND THEREFORE FORBIDDEN TO e Dismantle electrical control cabinet cover e Attempt to remove or open any other closed system covers or plugs The following are examples of safety labels to warn of possible electrical hazards and supplied as standard with the system HIGH VOLTAGE Protective Earth Do not disconnect An electrical hazard may exist if any light monitor or visual indicator stays ON To prevent possible injury immediately turn OFF the switch on the wall mounted mains power distribution box Fuses blown within 36 hours of being replaced may indicate malfunctioning electrical circuits within the system Have the system checked by qualified service personnel and do not attempt to replace the fuse again Scitex Vision Grandjet Classic Care and Maintenance Safety Information 13 Fire Hazard DANGER 7N Solvent and solvent based ink used with the Grandjet Classic printer have flammable and irritant properties Combustion products Oxides of Carbon a Chemicals hazard informat
14. production area Details of extraction system air flow operating requirements are provided in the Scitex Vision Grandjet Classic User Manual see Appendix for Technical Specifications The system in whole or in part should not be modified in any way without obtaining the prior written approval of Scitex Vision Ltd The owner should make certain that only properly trained fully qualified personnel are authorized to operate the Grandjet Classic printer An authorized operators list should be maintained Unauthorized personnel should not be allowed access to the system It is important that this and all other Grandjet Classic printer manuals should be kept close at hand studied carefully and reviewed periodically by the authorized technicians and system operators However the manufacturer or Vendor of the equipment makes no representation that the act of reading this guide or other Grandjet Classic printer manual renders the reader qualified to operate test or calibrate the system Scitex Vision Grandjet Classic Care and Maintenance Safety Information 10 If the printer does not operate properly or fails to respond to the controls as described in the Scitex Vision Grandjet Classic User Manual or in this guide the operator should e Switch OFF power to the printer e Follow the safety precautions as specified in this manual and other Grandjet Classic printer manuals e Immediately contact the service
15. should only be carried out by operators who have been trained by a Scitex Vision Ltd FSE Before commencing check that the following equipment is readily at hand e Plastic spray bottle filled with solvent e Additional solvent e Glass syringe 50cc e Silicone tubing to attach to syringe e Spare ink filter e Black plastic stopper e White plastic nozzle caps supplied with the system 3 6 6 Cleaning the Print Heads Advanced Method l Make sure the head carriage is in the parked position in front of the cleaning station Using the plastic spray bottle filled with clean solvent thoroughly wet each row of print heads black yellow cyan magenta and cyan Figure 28 Spraying the Print Heads with Solvent Scitex Vision Grandjet Classic User Manual Weekly Care 3 From the Grandjet Classic main screen click 5 Disconnect the air tube from the first secondary ink on the Maintenance icon ey tank black ink and in place of this insert the plastic stopper provided to create a vacuum inside The Maintenance dialog box opens see Figure 29 the secondary tank see Figure 30 Maintenance X Plastic stopper Figure 30 Inserting the Stopper 6 Working from the top of the head carriage and starting with the innermost print head black Figure 29 Maintenance Dialog Box 35V Power ON labelled F in Figure 36 on page 3 11 proceed as follows 4 Under the Power Supply controls
16. there is a known risk of Electrical Shock which may cause serious or even fatal injury if the instructions are ignored Warning used to identify conditions or actions for which a specific hazard of a non electrical nature is known to exist which may cause personal injury or equipment damage if the instructions are ignored Cautions are used to identify conditions or actions for which a potential hazard may exist which will or can cause minor personal injury or equipment damage if the instructions are ignored Scitex Vision Grandjet Classic Care and Maintenance Contents Chapter I Safety Information General Safety Guidelines 0 00 ce ee eee 2 Scitex Vision Grandjet Classic Printer Safety Apparatus 6 Emergency Stop Safety Devices 04 l 6 Safety Warning Labels 0 0 e eee 6 Routine Precautionary Measures 000 7 Handling Substrate Rolls 022 eee 7 Handling Ink and Solvent 04 8 First Aid Treatment a4 24a ee oR eed boner es eee eds 9 Chapter 2 Daily Care Visual Checks and General Cleaning 2 2 Checking the Emergency Stop Safety Devices 2 3 Main Emergency Stop Buttons 006 2 4 Head Carriage Emergency Stop 4 2 6 Piston Emergency Stop Buttons 2 8 Checking the Pneumatic System 20006 2 12 Checking the Air Dryer
17. top of the button as shown in Figure 3 2 5 Figure 3 Releasing the Main Emergency Stop Button The Main Emergency Stop button pops up and is now restored to the READY position Press the Reset button located above the Piston Control switch at the rear of the printer Reset button Air pressure returns to the pneumatic system enabling activation of the pressure shaft again Press the piston control up arrow to close and return memory to the pressure shaft Repeat Step 1 through Step 5 to check the Main Emergency Stop button on the left side of the printer Scitex Vision Grandjet Classic User Manual Daily Care Head Carriage Emergency Stop The head carriage located at the front of the printer is protected on all sides by a specially designed cover fitted to which is metal frame containing an important safety feature the Head Carriage Emergency Stop Mechanism which is shown in Figure 4 below Head carriage Head carriage cover Emergency stop mechanism in metal frame Figure 4 Head Carriage Emergency Stop Mechanism In addition to providing protection to the print heads me and helping to keep the head carriage and printing table A clean during spraying the cover also enables visual inspection of the heads through a perspex panel at the front and allows easy access for changing ink filters etc through a door at the side 2 6 While the head carriage moves ra
18. 8 Main ink tanks Figure 14 Tightening the Main Ink Tank Cap 2 15 Scitex Vision Grandjet Classic User Manual Daily Care Cleanin g the Print Heads Basic The solvent dissolves dried ink loosening any clogged particles Method 2 Remove the resulting residue from each print head in turn by holding the vacuum cleaner rubber pipe firmly against the print head while pressing the Before commencing the Print Head Cleanin j z vacuum button see Figure 17 procedure check that the plastic spray bottle supplied with the system is filled with clean solvent and is readily at hand Cleaning the Print Heads with Solvent 1 With the head carriage in the parked position in front of the cleaning station carefully spray the print heads with clean solvent until they are all thoroughly wet see Figure 16 Figure 7 Removing Ink Residue with Vacuum Cleaner warms AN OO S Take special care to avoid contact or scratching the surface of the print heads with the vacuum cleaner pipe Figure 16 Spraying the Print Heads with Solvent 2 16 Scitex Vision Grandjet Classic User Manual Daily Care 3 Surplus ink dried particles and debris collect ina waste ink bath beneath the cleaning station from where they drain into the waste ink tank shown in Figure 18 located in a cabinet at the rear of the printer Waste Ink Bath Waste Ink Tank Figure 18 Waste Ink Tank and Cabinet With black ink sprayin
19. Disconnect the syringe from the short length of silicone tubing and carefully refill it with solvent using separate tubing as previously recommended 16 Working outwards repeat Step 6 Step 7 and Step 9 17 18 19 through Step 15 to inject each of the remaining black print heads in the row with solvent Referring to Figure 36 the sequence would be as follows E D C B and finally A Using the plastic spray bottle filled with clean solvent thoroughly wet each row of print heads in all color groups see Step 2 From the Maintenance dialog box switch ON the 35V Power to the print heads that use black ink turned Off in Step 4 by clicking the black button and then clicking on Reset Remove the residue from each black print head in turn by holding the vacuum cleaner rubber pipe firmly against the print head see Figure 35 while pressing the vacuum button Keep vacuuming until you are able to see the ink coming through each head and tube Scitex Vision Grandjet Classic User Manual Weekly Care 21 Working systematically downwards and outwards repeat the solvent injecting procedure for each of the other color groups of print heads magenta and cyan respectively until all the print heads in all rows have been injected with solvent ea When each color is complete remember to spray all the print heads to keep them wet Figure 35 Vacuuming the Heads maeme N o Take special care to avoid conta
20. ance Safety Information 14 Explosion Hazard DANGER 7N Solvent and solvent based ink used with the Grandjet Classic printer have flammable and irritant properties Combustion products Oxides of Carbon a Chemicals hazard information and packaging for supply CHIP classification For full details refer to the Material Safety Data Sheets provided in the Scitex Vision Grandjet Classic User Manual see the Appendix warms AN OOO Extreme care must be taken when handling inks and solvent to prevent the risk of explosion Do not operate the system in the presence of explosive liquids vapors or gases Keep all sources of ignition away from the printer and work area Do not plug in or turn ON power to the system if hazardous substances are detected in the environment Should these substances be detected after the system has been turned on do not attempt to unplug it or turn OFF power Evacuate and ventilate the area before turning OFF power to the system 15 Heavy Material Hazard Special care must be taken to avoid personal injury when handling heavy substrates See Handling Substrate Rolls on page 1 7 Scitex Vision Grandjet Classic Care and Maintenance Safety Information Scitex Vision Grandjet Classic Printer Safety Apparatus Emergency Stop Safety Devices The Grandjet Classic printer is equipped with three types of emergency safety devices as follows e Head Carriage Emergency Stop Mech
21. anism e Main Emergency Stop Buttons e Piston Emergency Stop Buttons The operator must be familiar with the location and operation of each type of safety device these are illustrated in detail in this guide as well as in the Scitex Vision Grandjet Classic User Manual war i All emergency safety devices fitted to the Grandjet Classic printer must be checked at system start up In addition they should be tested every day in accordance with the instructions provided in this guide see Checking the Emergency Stop Safety Devices on page 2 3 Safety Warning Labels Grandjet Classic printers are supplied with safety warning labels fitted securely in prominent positions illustrated examples of which are shown in the Scitex Vision Grandjet Classic User Manual see Chapter One Safety Information Additional quantities of certain labels are supplied with the system for strategic placement within the print production and storage areas Scitex Vision Grandjet Classic Care and Maintenance Safety Information Routine Precautionary Measures a en ee AA p Substrate Rolls may be extremely bulky and heavy Handling Substrate Rolls When loading unloading or moving substrate rolls always take the following precautions e Use substrates recommended by Scitex Vision Ltd e When lifting heavy substrate rolls take extreme care to avoid back strain or injury e It is recommended that rolls should be lifted by a minimum of
22. anual Weekly Care If there are any irregularities note which Checking the Pressure Shafts and Adjusting Pistons piston or pistons requires adjustment then proceed to Step 4 and continue with Step 5 1 Make sure that the Grandjet Classic printer is onwards loaded with substrate Piston adjustment is performed using either or both of the upper or lower adjustment screws located on the side of the piston and connected to the pneumatic tubing as shown in Figure 4 2 Standing at the rear of the printer press the up arrow on the piston control switch located above the pneumatic control panel see Figure 40 Upper Adjusting Screw Pneumatic Tubing Figure 40 Y Axle Piston Control Button ON The pistons are immediately activated causing the pressure shaft to rise slowly and exert pressure on the Y axle 3 While the pressure shaft is moving check to see that movement is smooth and that it is rising evenly along its full length Also make sure that the pistons are all operating at the same speed and that all parts of the roller reach the Y axle simultaneoulsy E S Lower Adjusting Screw HAR YNNA Figure 41 Piston Adjustment Screws If there are no problems perform Step 4 to complete the checking procedure 4 De activate the pistons by pressing the down arrow on the piston control switch see Figure 42 3 15 Scitex Vision Grandjet Classic User Manual Weekly Care D Press
23. arriage as shown in Figure 5 Figure 5 Activating the Head Carriage Emergency Stop 2 7 This will activate the magnetic microswitch stop mechanism and cause movement of the head carriage to cease instantly Check that performing this Step caused the head carriage movement to stop immediately From the Grandjet Classic main screen click on the Maintenance icon The Maintenance dialog box opens Maintenance Figure 6 Maintenance Dialog Box Under the Motor column on the right click on the Home button see Figure 6 The head carriage moves to the left and stops when it reaches the home position in front of the cleaning station where it remains stationary When resumed printing will now commence from the correct point Scitex Vision Grandjet Classic User Manual Daily Care Piston Emergency Stop Buttons The system has three Piston Emergency Stop buttons which are clearly marked and located at the rear of the Grandjet Classic printer fitted to the main frame see Figure 7 and Figure 8 Piston Emergency Stop Button Figure 7 Piston Emergency Stop Button The Piston Emergency Stop buttons operate manually and may be pressed in the event of the operator s hand or fingers inadvertently being trapped between the piston operated pressure shaft and the rubber roller 2 8 Piston et Emergency Stop Button Aluminum _ lt Frame Pressure Shaft When any Piston Emergenc
24. assic User Manual Daily Care 2 Standing at the electrical control cabinet at the rear of the printer from the rear this is located on the left side see Figure 9 make sure that all circuit breakers on the PDU circuit breaker panel are in the OFF down position PDU Circuit Breaker Panel Cut out in door circuit breakers easily accessible when cabinet door closed e Figure 9 Electrical Control Cabinet Check that both pilot lights are illuminated as shown in Figure 10 indicating voltage coming to the PDU Pilot Lights Illuminated Figure 10 Circuit Breaker Panel Standing at the wall mounted mains PDU press the Emergency Stop button see Figure 11 Press here Figure Wall mounted Mains PDU This instantly causes complete disconnection of the system from the mains power supply Return to the electrical control panel at the rear of the printer and check that the two pilot lights on the circuit breaker panel are not illuminated indicating that there is no voltage to the single phase Scitex Vision Grandjet Classic User Manual Daily Care 6 Release the Emergency Stop button on the wall mounted PDU to return it to the ready state caurion W Whenever performing this checking procedure it is important to make sure that the Mains Power Emergency Stop button is returned to the proper state Step 6 so that it is ready for immediate use in the event of fire or any othe
25. ation specifications provided by the Scitex Vision Ltd FSE the compressor supplying air to the Scitex Grandnjet system will have been fitted with the appropriate air dryer It is recommended that this is checked daily to ensure that is coping adequately Checking the Air Dryer 1 Check that the air dryer fitted to the compressor is working properly and that air in the air lines is dry and free of contaminants such as oil or rust 2 If moisture or excessive humidity is present drain the excess liquid from the air line water trap see Figure 12 on the previous page by pressing the valve at its base in an upward direction until all the water has drained Release the valve and make sure the trap is closed 3 Check if the trap needs cleaning repair or replacement and proceed accordingly 4 In the event that the air dryer has become damaged or is no longer working efficiently replace it with a new dryer of the appropriate type Refilling the Main Ink Tanks It is recommended to refill the main ink tanks every day so that the Grandjet Classic printer does not run out of ink during printing This is especially important for systems handling heavy print runs The procedure may be performed while printing is in progress Refilling the Main Ink Tanks When performing this procedure use of a funnel is recommended 1 Close all air pressure hoses connected to the main ink tanks you wish to refill Refilling requirem
26. black carefully mount one of the new print heads into the innermost available slot refer to Figure 48 on page 5 2 and work outwards from A to F proceeding as follows With the new print head facing outwards fit it into the empty slot carefully holding the head complete with head holder in one hand while steadying the protective plate with the other hand Carefully adjust the head and the protective plate so that the locating pin hole and top and bottom screw holes are properly aligned See Caution on page 5 5 to enable the screws and locating pin to pass through the plate when the head holder is screwed into position Fit the print head locating pin into the locating pin hole and with the head and protective plate correctly aligned with the slot carefully tighten the two small Phillips screws removed in Step 10 onto the metal plate screwing them very gently into the head holder and making sure that the print head is secured firmly in position and completely flush with the head carriage surface caurion W When tightening the screws making sure you do not tighten them too tightly but that the print head is firmly secured and unable to move 5 7 22 Fit the end of the plastic connecting pipe attached to the print head to the corresponding secondary ink tank on the print head carriage by inserting the plastic coupler into the inner cavity of the plastic nipple see Figure 60 below Gently turn the screw coupli
27. ct or scratching the surface of the print heads with the vacuum cleaner pipe Make sure that all print heads in all color groups have been thoroughly cleaned and all residue removed before proceeding to the next step where you will test the head nozzles for patency 20 Moving to the next row of heads yellow repeat 22 With black ink spraying steadily hold a sheet of Step 4 to turn OFF 35V power to these heads and white A4 sized paper at a short distance in front of again working outwards in the order described the print heads repeat Step 5 through Step 7 then Step 9 through Step 20 until all the heads in the row have been injected with solvent Move the paper slightly in a horizontal direction to left or right for a short distance approx lcm 3 10 Scitex Vision Grandjet Classic User Manual Weekly Care As the ink sprays onto the paper six blocks of 6 thin 23 Inspect each of the six printed blocks and verify vertical lines appear as shown in this example that all lines are sprayed evenly and that no portions of a line are missing 24 Repeat Step 22 and Step 23 for all groups of print heads and verify that all lines are sprayed evenly and no portions of a line are missing If any sign of clogging is still apparent spray the Each block of printed lines corresponds to the print head blocked print heads with solvent and vacuum again arrangement on the head carriage see Figure 36 as previously described
28. ctive holders Data subject to change without notice Patents The Scitex Vision Grandjet Classic printer is covered by the following US patents 4 350 996 4 456 924 4 500 919 4 834 520 4 853 709 5 079 721 5 103 407 5 111 308 5 155 782 5 247 352 5 331 439 5 384 648 5 488 906 5 526 143 5 594 556 5 650 076 5 739 819 5 875 288 6 217 148 5 113 249 5 157 516 5 296 935 5 333 064 5 384 899 5 497 252 5 532 728 5 600 448 5 652 804 5 742 743 5 894 342 6 409 310 5 119 440 5 200 816 5 299 020 5 339 176 5 412 491 5 508 828 5 561 691 5 608 822 5 691 823 5 764 381 5 900 981 5 122 871 5 208 888 5 313 278 5 343 059 5 412 737 5 509 561 5 568 595 5 615 282 5 691 828 5 771 794 5 934 196 5 124 547 5 221 997 5 323 248 5 355 446 5 420 702 5 919 792 5 576 754 5 623 001 5 696 393 5 785 309 5 940 099 5 150 225 5 227 895 5 325 217 5 359 458 5 473 733 5 519 852 5 579 115 5 636 330 5 699 174 5 813 346 5 942 137 5 153 769 5 247 174 5 328 032 5 367 388 5 481 379 5 526 107 5 592 309 5 649 220 5 708 736 5 861 904 5 946 426 Scitex Vision Grandjet Classic Care and Maintenance Disclaimer The Company shall not be liable for any damages costs and expenses including without limitation damages in connection with bodily injuries consequential damages and damage
29. e Main Emergency Stop buttons e Head Carriage Emergency Stop mechanism e Piston Emergency Stop buttons e Mains Power Emergency Stop button on wall mounted mains power distribution unit 2 3 Full details and method of operation of all these Emergency Stop safety devices is described the Scitex Vision Grandjet Classic printer See the section entitled Emergency Safety Devices Chapter 1 the position of each device on the printer is clearly illustrated in the figures provided Step by step instructions for checking that each Emergency Stop safety device is working properly are given in the following sections of this chapter we D S Immediately report the failed operation of any Emergency Stop Safety Device to your Scitex Vision Ltd FSE and do not attempt to tamper with the system or continue with its use Scitex Vision Grandjet Classic User Manual Daily Care Main Emergency Stop Buttons The system is equipped with two Main Emergency Stop buttons These are clearly marked and are located one at each end of the Grandjet Classic printer on the left and right sides of the main frame as shown in Figure 1 Main Emergency Stop Button Main Emergency Stop Button scitex vision Figure Main Emergency Stop Buttons The Main Emergency Stop buttons operate manually and when pressed electrical power to all motors is disconnected and air is purged from the pneumatic system The pressure shaft at the rear of the prin
30. ents are established by visual inspection 2 Release the excess air from the first main tank by turning the blue tap located on the side 3 Unscrew the black cap and tubing from the tank 4 With the main tank standing firmly carefully refill it with ink of the correct color as marked on the outside of the tank making sure you avoid any splashing see Figure 13 Scitex Vision Grandjet Classic User Manual Daily Care 6 Repeat Step 1 through Step 5 for any other main ink tanks that require refilling 7 Check that all caps are tightly closed then open the corresponding air pressure tap on each of the main ink tanks 8 Check the ink tank air pressure gauge reading see Figure 15 on the air pressure control board situated behind the computer at the base of the printer and if necessary adjust to 0 2 BAR Figure 13 Filling the Main Ink Tank 5 When the ink tank contains no more than 4 liters stop filling replace the screw cap on the ink bottle and tighten firmly caurion W It is recommended not to fill a main tank with more than 4 liters of ink and that each tank should contain no less than 2 liters Screw the black cap and its corresponding tubing into place on the main ink tank and tighten firmly as shown in Figure 14 Figure 15 Air Pressure Gauge Main Tanks Table 2 Main Ink Tanks Required Air Pressure Air Valve System Component to which Settin Position Air Pressure is Controlled
31. eriods of time the Scitex Vision Grandjet Classic printer is able to cope easily with demanding large volume print runs In keeping with this capability routine care and maintenance procedures are recommended in order to maintain the system in proper working order minimize any down time and ensure consistent high quality print output This guide is intended for use by system operators and the information given applies to the Grandjet Classic printer model Using the recommended guidelines for care and maintenance procedure frequency together with the step by step instructions provided will enhance print production and ensure smooth and trouble free operation of all system components The abbreviations and acronyms used throughout this guide are listed below Cyan magenta yellow and black Field Service Engineer SE DU Power Distribution Unit Uninterrupted Power Supply vi Safety Definitions Safety instructions are provided for the protection of system operators and field service engineers FSEs The following safety conventions are used to classify and identify hazards that will or may occur if instructions are ignored DANGER Danger is used to identify conditions or actions for which a specific hazard is known to exist and which will cause severe personal or even fatal injury or substantial equipment damage if the instructions are ignored Warning used to identify conditions or actions for which
32. f the carriage see Figure 26 Figure 27 Releasing the Main Emergency Stop Button The Main Emergency Stop button pops up and is now restored to the READY position caurion W It is important to make sure that the Emergency Stop button has been restored to the READY Figure 26 Grease Nipple at the Side of the Head Carriage position so that it is available for immediate use in the event of an emergency 10 Press the Reset button located above the Piston 8 Replace the front right panel removed in Step 3 Control switch at the rear of the printer and screw firmly into position 9 When ready to start printing release the Main Emergency Stop button by slightly twisting the plastic ring beneath the top of the button until it pops up and is now in the ready position see Figure 27 Air pressure returns to the pneumatic system enabling activation of the pressure shaft again 11 Press the piston control up arrow to close and return memory to the pressure shaft 3 5 Scitex Vision Grandjet Classic User Manual Weekly Care Cleaning the Print Heads Advanced Method It is recommended that advanced print head cleaning be performed once per week however the frequency with which this will be required will naturally depend upon the printer work load Being the most thorough of the Grandjet Classic printer printer head cleaning procedures this involves the cleaning of all print heads of each color group It
33. g steadily hold a sheet of white A4 sized paper at a short distance in front of the print heads Move the paper slightly in a horizontal direction to the left or right for a short distance approx lcm As the ink sprays onto the paper six blocks of 6 thin vertical lines appear as shown in this example Each block of printed lines corresponds to the print head arrangement on the head carriage see Figure 19 Figure 19 Print Head Arrangement on Head Carriage Scitex Vision Grandjet Classic User Manual Daily Care 4 Inspect each of the six printed blocks and verify that all lines are sprayed evenly and that no portions of a line are missing 5 Repeat Step 3 and Step 4 for each of the remaining colors yellow magenta and cyan If there are no imperfections in any of the printed blocks the head cleaning procedure is now complete However if any nozzles still appear to be clogged repeat the procedure on the blocked print heads to remove any dried ink particles 6 Test the print heads again to ensure that cleaning has been performed satisfactorily This procedure may be performed as and when required during printing and repeated as often as necessary to prevent ink build up in the print head nozzles and maintain patency 2A In the event that print heads still appear to be blocked after repeating the above procedure it will be necessary to perform more advanced cleaning Refer to the ste
34. ing the head replacement procedure performed at any stage at which it becomes necessary check that the following equipment is readily at hand to replace one or more of the Grandjet Classic print heads In maintaining reliable system performance print head replacement will ensure dependable high e Plastic spray bottle filled with solvent quality print output The twenty four print heads 5 Additional solvent which are precisely arranged on the head carriage in four arrays of six are grouped according to color as shown in Figure 48 e Silicone tubing to attach to syringe e Required number of new print heads e Glass syringe 50cc e Phillips screwdriver small e Allen key No 2 BLACK p supplied with the system F mic Using disposable paper wipes while performing this 8 o procedure will help to keep the Grandjet Classic printer A clean When changing a print head it is important that the surfaces of the print heads you are not replacing stay wet therefore spray them repeatedly with solvent as necessary wamne AN OOOO When replacing a print head the 35V power supply should be switched OFF as described in the procedure instructions Do not leave the print heads disconnected from the 35V power for prolonged periods since this may cause damage to the heads Figure 48 Print Head Arrangement on Head Carriage 5 2 Scitex Vision Grandjet Classic User Manual General Maintenance 6 Replacing a Print Head
35. ion and packaging for supply CHIP classification For full details refer to the Material Safety Data Sheets lt provided in the Scitex Vision Grandjet Classic User Manual see the Appendix E ES Extreme care must be taken when handling inks and solvent to prevent the risk of fire Do not permit smoking or naked flames in the print production or storage areas and ensure that warning signs see below are prominently displayed in appropriate positions warns AN o To avoid electrical shocks or burns caused by using the wrong type of fire extinguisher make sure your fire extinguisher has been approved for use on electrical fires Approved Fire Extinguisher Suitable Extinguishing Media Halon gas or dry powder Class B System operators should ensure that the print production area is kept clean and tidy Since solvent and inks used with the Grandjet Classic printer have flammable properties surfaces where any ink spillage or leakage has occurred for example behind the main ink tanks or on the floor must be wiped clean immediately Always check that all main ink tanks are properly closed The waste ink tank should be emptied routinely as necessary camo A S Conductive fluids that seep into the active circuit components of the system may cause short circuits that can result in electrical fires Do not place any liquid or food on any part of the system Scitex Vision Grandjet Classic Care and Mainten
36. lassic User Manual 4 Chapter 4 3 Monthly Care Contents at a glance Replacing the Ink Filters 0 cee eee eee 4 2 3 Monthly Care Replacing the Ink Filters It is recommended that all ink filters located between the secondary ink tanks and the main ink tank tubes be replaced every three months However this procedure may be required more frequently should the ink flow appear to be impeded When replacing an ink filter it is important that it is positioned correctly in order to maintain ink flow in the proper direction as marked on the side of the filter and shown in Figure 44 below Secondary Ink AE Figure 44 Ink Filter Showing Direction of Ink Flow 4 2 Replacing the Ink Filters 1 Press either of the two Main Emergency Stop buttons The Grandjet Classic printer is now in safe mode 2 Close the air pressure valves on each of the four main ink tanks 3 With the head carriage parked in the home position unscrew and remove the left panel on the front of the head carriage cover as shown in Figure 45 Figure 45 Removing Front Panel from Head Carriage Cover Scitex Vision Grandjet Classic User Manual 3 Monthly Care 4 Carefully disconnect the thin rubber tube 7 Remove a new ink filter from its plastic packet and connecting the uppermost print head to its secondary ink tank attaching absorbent paper onto the end of the tube to absorb ink flow
37. ng in a clockwise direction for half a turn Figure 60 Fitting the Plastic Pipe to the Secondary Ink Tank caurion W Do not turn the screw coupling too tightly or you will damage the thread 23 Repeat Step 20 through Step 22 to mount any other new print heads that will use black ink 24 Reconnect the ribbon cable s to the new print head s removed in Step 9 25 From the Maintenance dialog box and under the Power Supply controls turn ON the 35V power supply to the print heads that use black ink by clicking the same button used in Step 5 and which is currently in the Off status Reset 26 Click Scitex Vision Grandjet Classic User Manual General Maintenance The 35V power to the print heads is restored Maintenance Figure 61 Maintenance Dialog Box 35V Power ON 27 Thoroughly wet all the print heads with clean solvent using the plastic spray bottle 28 Suck solvent through each newly replaced print head in turn holding the vacuum cleaner rubber pipe firmly against the print head see Figure 51 while pressing the vacuum button until ink comes through the head and is visible in the ink pipe 29 With black ink spraying steadily hold a sheet of white A4 sized paper at a short distance in front of the print heads Move the paper slightly in a horizontal direction to left or right for a short distance approx lcm As the ink sprays onto the paper six blocks of 6 thin vertical lines appear
38. of the printing table wipe the head carriage linear profile clean carefully removing any dried ink splashes Working from the front of the printer and using a No 5 Allen key unscrew the four screws and lift and remove the panel from the right side of the printer frame refer to Figure 22 Front panel Figure 22 Removing the Front Panel Right Side Scitex Vision Grandjet Classic User Manual Weekly Care You will now have easy access to the two grease nipples on the head carriage linear bar 4 Carefully pull the head carriage manually towards the right see Figure 23 until it reaches the furthermost right position on the printer frame When performing this step use both hands one holding the base of the head carriage and the other holding the cable track as shown in Figure 23 a oi i ee tee NE Oise b 4 d r s D A OGP A S lt i a tech T G AT Ax wa MS Fo i E y ae r r _ gt Figure 23 Moving the Head Carriage Manually 5 Using the grease gun apply a small quantity of grease to each of the two nipples at the front of the head carriage as shown in Figure 24 and Figure 25 3 4 Apply Grease Here Figure 25 Second Grease Nipple at Front Carefully pull the head carriage back to the left until it reaches the home position Scitex Vision Grandjet Classic User Manual Weekly Care 7 Apply a small quantity of grease to the nipple at the left side o
39. ort distance in front of the print heads Move the paper slightly in a horizontal direction to left or right for a short distance approx lcm As the ink sprays onto the paper six blocks of 6 thin vertical lines appear as shown in this example Figure 47 Print Head Arrangement on Head Carriage 16 Inspect each of the six printed blocks and verify that all lines are sprayed evenly and that no portions of a line are missing Each block of printed lines corresponds to the print head arrangement on the head carriage see Figure 47 17 Repeat Step 15 through Step 16 or each of the remaining colors yellow magenta and cyan 4 4 Scitex Vision Grandjet Classic User Manual 3 Monthly Care 18 Release the Emergency Stop button by slightly twisting the metal ring beneath the top of the button until it pops up and is now in the ready position eea Whenever performing this checking procedure it is important to make sure that the Emergency Stop button is enabled Step 18 and ready for immediate use in the event of an emergency The ink filter replacement procedure is now complete and the Grandjet Classic printer is ready to start printing 4 5 Scitex Vision Grandjet Classic User Manual Chapter 5 General Maintenance Contents at a glance Replacing a Print Head 0 002 eee 5 2 General Maintenance Replacing a Print Head The procedure described in this section may be Before commenc
40. p by step instructions for Cleaning the Print Heads Advanced Method on page 3 6 2 18 Scitex Vision Grandjet Classic User Manual 3 Chapter 3 Weekly Care Contents at a glance Checking the Printer for Levelness 3 2 Greasing the Linear Bar 2 e ee eee eee 3 3 Cleaning the Print Heads Advanced Method 3 6 Emptying the Waste Ink Tank 0008 3 12 Checking the UPS 2 2 2 44550454550e0ke i kean bossa 3 14 Checking the Pressure Shafts and Pistons 3 14 Weekly Care Checking the Printer for Levelness It is recommended that the Grandjet Classic printer 2 Check that the air bubble is positioned precisely in printer is checked every week to make sure that it is the center of the level as shown below standing perfectly level This is important since even the slightest shift or floor movement could impair printing alignment a Se A For this purpose two spirit levels are built into the printer main frame one on each of the left and right EDAIP id 0 mya sides 3 Repeat Step 1 amp Step 2 to inspect the spirit level on the right side of the printer main frame see Figure 6 Checking the Printer for Levelness 21 1 Standing at the rear of the printer inspect the spirit level located on the left side of the main frame near the electrical control panel see Figure 20 Inspect Here Inspect Here Figure 21 Spirit Level on Right Side
41. pidly backwards and forwards along the length of the printer any contact with the metal frame and consequently the microswitch stop mechanism causes all motion to stop immediately The Head Carriage Emergency Stop Mechanism is fully operational in both directions whether the carriage is moving from left to right or vice versa which prevents injury to the operator caused by accidental contact with moving parts This eliminates the risk of any possible injury to the operator and prevents obstruction caused by hands or fingers clothing or other foreign objects camo S Whenever performing this checking procedure it is important to make sure that the head carriage is returned to the Home position as described in Step 7 so that when resumed printing commences from the correct position Scitex Vision Grandjet Classic User Manual Daily Care Checking the Head Carriage Emergency Stop Make sure the Grandjet Classic printer is loaded with substrate and that the head carriage is in the home position From the Grandjet Classic main screen select any file for testing purposes and place it first in the print queue In the Status area select 2 Pass mode and Slow speed Click on the Print icon Printing commences and the head carriage starts its forward and backward movement along the length of the printing table After printing a few passes use one hand to carefully touch the metal frame fitted to the head c
42. pper to create a vacuum inside the secondary tank see Figure 53 5 4 Plastic stopper Figure 53 Inserting the Stopper Carefully unscrew in a counter clockwise direction and disconnect the ink pipe plastic coupler from the secondary ink tank as shown in Figure 54 Figure 54 Removing Plastic Coupler from the Secondary Tank Screw a white plastic cap onto the nipple and gently turn in a clockwise direction for half a turn to seal it see Figure 55 Scitex Vision Grandjet Classic User Manual General Maintenance Plastic cap Figure 55 Fitting Plastic Cap 9 Disconnect and remove the flat cable from the defective print head see Figure 56 Figure 56 Disconnecting Ribbon Cable 10 Carefully unscrew each of the two small Phillips screws that hold the print head in position within the slotted metal plate on the head carriage as shown in Figure 57 see also Caution below 5 5 Figure 57 Removing the Print Head from the Head Carriage 11 Using the 2 mm Allen key remove the adapter from the head discard the defective print head caurion W Dispose of the used print head in accordance with individual country safety requirements and local authority regulations 12 Repeat Step 6 through Step 11 for any other defective print heads that use black ink 13 Remove a new print head from its nylon packet and using the glass syringe provided and a short length of spare silicone tubing
43. r emergency Access to the wall mounted PDU must be kept clear at all times Checking the Pneumatic System In addition to the normal checks performed before printing to ensure that the air lines are patent and functioning properly it is recommended that the pneumatic system is checked on a daily basis This will help to maintain efficient operation of the Grandjet Classic printer Besides performing a visual check of air pressures the air line water and moisture traps should be inspected and drained if necessary as described below Checking the pneumatic system is performed after maximum pressure has been reached or if after complete shutdown when maximum pressure has been reached again 6 Checking the Pneumatic System 1 Ensure that Mains power to the compressor or central compressed air system is ON and that the unit is operating satisfactorily see note below The operator should acquaint himself with the service procedures laid down by the compressor manufacturer and ensure that these are carried out as specified 2 Standing in front of the pneumatic control panel verify that the pressure readings on the air pressure gauges are correct in accordance with those shown in Table 1 Scitex Vision Grandjet Classic User Manual Daily Care Table Pneumatic System Air Pressure Settings Air Pressure Gauge Setting Main ink tanks 0 2 BAR Main Air Pressure Regulator Main Air Pressure Gauge
44. risk of problems developing at a later stage periods of system downtime can be significantly reduced and in many cases eliminated When making a visual check of the system look for e cables excessively loose e exposed electrical wiring e abnormal ink leakage e loose connections e components overheating e blocked vents Exposed electrical wiring may not only be a potential safety hazard but could also cause interference or damage to the system 2 2 Daily general cleaning of the printer as well as the print production area will help to eliminate the build up of dust dried ink and dirt In addition remove any obstacles or foreign objects which may have been placed inadvertently within close proximity of the printer and surrounding area to eliminate the risk of possible safety hazards SAFETY Clean FIRST EO Oe g Area Scitex Vision Grandjet Classic User Manual Daily Care Checking the Emergency Stop Safety Devices The Emergency Stop safety devices fitted to the Grandjet Classic printer must be checked daily to ensure they are in proper working order This is normally carried out as part of the system start up procedure However for printers operating on a 24 hour round the clock basis it is important to ensure that this safety check is performed once per day as a matter of routine Ensuring the Emergency Stop Safety Devices are fully operational requires the inspection and checking of
45. s for loss of profits incurred by the customer or by any third party whether in action in contract tort or otherwise arising out of or in connection with the System its installation and or operation and any related accessories products parts components or materials except as and to the extent expressly specified in the applicable purchase contract Limited Warranty The Company does not provide any warranty with respect to the System its installation and or operation and any related accessories products parts components or materials except as and to the extent expressly specified in the applicable purchase contract Local Regulations The customer is required to strictly follow the applicable international regional federal and state laws regulations and standards and nothing in this guide shall be construed as instructing or otherwise requiring or allowing the customer to violate such laws regulations and standards However if and to the extent permitted by law in case of inconsistency or contradiction between any requirement or procedure contained in this guide and any such laws regulations and standards the customer shall follow the stricter between the requirements and procedures specified in this guide and the requirements and procedures specified in any such laws regulations or standards v Scitex Vision Grandjet Classic Care and Maintenance Use of this Guide Capable of withstanding continuous use for long p
46. se of a separate piece of silicone tubing is recommended when re filling the syringe with solvent 9 Screw the end of the tubing attached below the ink filter onto the ink pipe plastic coupler disconnected from the print head in Step 6 tightening the connection firmly see Figure 33 Figure 33 Attaching Silicon Tubing 10 Carefully fill the glass syringe provided with 50cc clean solvent and attach the nozzle to the end of the silicone tubing fitted to the top of the ink filter Scitex Vision Grandjet Classic User Manual Weekly Care 11 Using steady pressure on the plunger slowly inject the solvent into the print head until the syringe is completely empty see Figure 34 Figure 34 Flushing the Print Head with Solvent Note Figure 34 does not show the filter attached to the syringe Any dried or clogged ink residue will be dissolved Q For clarity and demonstration purposes the print head being injected with solvent in Figure 34 corresponds to the head labelled A and not F in Figure 36 12 Disconnect the silicone tubing from the ink pipe plastic coupler 13 Remove the white plastic cap from the secondary tank nipple and replace the plastic coupler removed in Step 6 taking care to screw gently in place in a clockwise direction for half a turn 3 9 14 15 Remove the black plastic stopper from the air tube refer to Step 5 and re connect the tube to the first secondary ink tank
47. ter drops down instantaneously and all movement ceases 2 4 Main Emergency Stop buttons should be activated in any emergency situation or in the event of substrate material becoming jammed Whenever one of the Main Emergency Stop Buttons has been activated once the emergency situation has been attended to and you wish to resume printing you may release it by slightly twisting the plastic ring beneath the top of the button until it pops up and is now in the ready position as described below camo i When performing this procedure it is important to make sure that both the Left and Right Emergency Stop buttons have been restored to the READY position so that either is available for immediate use in the event of an emergency This will eliminate the risk of possible injury to the operator and prevent any obstruction caused by hands fingers clothing or other foreign objects Scitex Vision Grandjet Classic User Manual Daily Care 6 Checking the Main Emergency Stop Buttons l Press the Main Emergency Stop button on the right side of the printer Figure 2 Pressing the Main Emergency Stop Button Check that the reaction to Step 1 instantaneously causes the following e electrical power to the motors is disabled and all movement ceases e airis purged from the pneumatic system e the Y axle pressure roller drops down Release the Main Emergency Stop button by slightly twisting the red plastic ring beneath the
48. ts in the Scitex Vision Grandjet Classic User Manual Appendix 8 Scitex Vision Grandjet Classic Care and Maintenance Safety Information Grandjet Classic Printer First Aid Treatment The following guidelines are recommended in the event of First Aid treatment being required Move operator to fresh air immediately If there is respiratory distress administer oxygen and seek medical attention Wash affected area with soap and water Seek medical advice in the event of ensuing dermatological Skin Contact problems Rinse eyes immediately with copious amounts of SAFETY clean water or sterile eye wash solution Eye Contact If redness or soreness persists seek medical advice FOUNTAIN EYE WASH Scitex Vision Grandjet Classic Care and Maintenance Chapter 2 Daily Care Contents at a glance Visual Checks and General Cleaning 2 2 Checking the Emergency Stop Safety Devices 2 3 Checking the Pneumatic System 5005 2 12 Refilling the Main Ink Tanks 0000 eee 2 14 Cleaning the Print Heads Basic Method 2 16 Daily Care Visual Checks and General Cleaning To maintain the Grandjet Classic printer in good working order it is advisable to make a visual check of the system every day In this way the early detection of anything unusual will help to identify signs of general wear and tear or possible component malfunction By eliminating the
49. turn OFF the 35V one power supply to the heads that use black ink by clicking the black button at the top which is currently in the On status as shown in Figure 29 Carefully unscrew in a counter clockwise direction and disconnect the ink pipe plastic coupler from the first secondary ink tank as shown in Figure 31 The 35V power supply status for heads using black ink changes to Off Place a large piece of absorbent disposable paper at the base of the head carriage to absorb any surplus ink drops when disconnecting ink tubes 3 7 Scitex Vision Grandjet Classic User Manual Weekly Care Figure 31 Disconnecting the Ink Pipe from the Secondary Tank 7 Screw a white plastic cap onto the nipple and gently turn in a clockwise direction for half a turn to seal it see Figure 32 Figure 32 Fitting Plastic Cap fay Plastic cap 3 8 8 Attach a spare ink filter to two lengths of silicone tubing making sure that the connections are screwed firmly into position on the upper and lower portions of the filter as illustrated in Figure 34 It is advisable to keep a spare ink filter and two lengths of silicone tubing one short one long for dedicated use in this procedure They should be connected so that the flow of solvent is always in the same direction to prevent clogging For this reason it is helpful to mark a directional arrow on the filter connections with a felt tipped pen see Figure 34 U
50. two persons For heavy materials up to six persons may be required e When lifting and moving very heavy substrate rolls use of a forklift is mandatory e Keep Emergency Exits clear at all times 7 Scitex Vision Grandjet Classic Care and Maintenance Safety Information Grandjet Classic Printer Handling Ink and Solvent DANGER EXPLOSIVE VAPOR NO SMOKING NO OPEN FLAMES NO SPARKS When handling ink and solvent always take the following precautions e Use only inks and solvent approved by Scitex Vision Ltd e Keep all sources of ignition far away from the printer and from the print production and storage areas to eliminate the risk of fire e Avoid spillage and contact with skin and eyes wear the safety glasses and gloves provided for protection against splashing e Always handle inks and solvent in a well ventilated area To avoid inhalation of solvent fumes and vapors wear the mask provided e Maintain good ventilation in the print production area e Wear suitable clothing and shoes whenever in the print production and storage areas e Store inks and solvents in closed upright containers in normal cool warehouse conditions e Dispose of waste materials in accordance with individual country safety requirements e Keep Emergency Exits clear at all times Inks and solvent used with the Grandjet Classic printer have flammable and irritant properties For full details see the Material Safety Data Shee
51. ty Guidelines 0 0 ee ee eee 2 Scitex Vision Grandjet Classic Printer Safety Apparatus 6 Routine Precautionary Measures 006 7 Safety Information General Safety Guidelines The Grandjet Classic printer is designed and manufactured to ensure maximum Safety of operation It should be installed operated and maintained in strict compliance with the safety precautions warnings and operating instructions contained in the Scitex Vision Grandjet Classic User Manual as well as those provided in this guide Ly 3 The Grandjet Classic printer has been designed to meet all the safety requirements applicable to printing equipment However anyone attempting to operate the system must be fully aware of potential safety hazards The product should be installed maintained and serviced by qualified field service engineers authorized by Scitex Vision Ltd in accordance with the information in the and the It should be operated and routinely maintained according to the procedures provided in the Scitex Vision Grandjet Classic User Manual and in this guide The Grandjet Classic printer must have a dedicated mains power supply which must not under any circumstances be used for additional equipment If the system is to be connected to an uninterrupted power supply only a UL authorized UPS is to be used The Grandjet Classic printer must never be used without proper ventilation in the print
52. vision GRAND 7 Scitex Vision Grandjet Classic Printer using software version 4 010 Care and Maintenance Guide scitex VISIOA Important Notice This document is delivered subject to the following conditions and restrictions This document contains proprietary information of Scitex Vision the Company Such information is hereby supplied solely for the purpose of assisting authorized users of the Company s products to prepare the site where a printing system the Grandjet Classic printer the System supplied with this document is to be installed Without the express prior written permission of Scitex Vision no part of the contents hereof may be used for any other purposes disclosed to any person or firm or reproduced by any means The text and drawings herein are for the purposes of illustration and reference only The specifications on which they are based are subject to change without notice Catalog No 399000148 Copyright 2003 by Scitex Vision All Rights Reserved First edition October 2003 iii Scitex Vision Grandjet Classic Care and Maintenance Trademarks The name Scitex Vision and the Scitex Vision logo are registered trademarks or service marks of Scitex Vision The mark Scitex Vision Grandjet Classic is a trademark of the Company Other company and brand product and service names are for identification purposes only and may be trademarks or registered trademarks of their respe
53. y Stop button is activated electrical power to all motors is disconnected and air is purged from the pneumatic system The pressure shaft at the rear of the printer drops down instantaneously and all movement ceases DANGER 7N The pistons exert considerable pressure therefore extreme care must be taken to avoid injury to hands or fingers Only ONE person may operate the piston Scitex Vision Grandjet Classic User Manual Daily Care Checking the Piston Emergency Stop Buttons l Standing at the rear of the printer and with the Y axle pressure roller activated press down the first Piston Emergency Stop button starting on either the left or right side Check that the reaction to Step 1 instantaneously causes the following electrical power to the motors is disabled and all movement ceases air is purged from the pneumatic system the Y axle pressure roller drops down 2 9 Release the Piston Emergency Stop button by twisting the red button in a clockwise direction as shown by the arrows marked on the top of the button The Piston Emergency Stop button pops up and is now restored to its original position and is READY for activation in the event of an emergency Press the Reset button located above the Piston Control switch at the rear of the printer Air pressure returns to the pneumatic system enabling activation of the pressure shaft again Scitex Vision Grandjet Classic User Manual

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