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User Manual The1.1 version of 2018 Guangzhou EC-PACK CO.LTD

7.8.

Clear Nozzle

EC2000 cleaning nozzle procedure is automatically finished by printer, without manual

intervention and taking down the printhead cover. Please put a container collecting effluent below

the printhead according to the hint from the screen when execute this command. The printer will

start to cleaning procedure after confirmation. Clean the nozzle cavity and orifice repeatedly. At

the same time,the cleaning nozzle within the printhead will clean the surface of nozzle.

Summary of Contents for EC-JET 2000

Page 1: ... errors or omissions in this user manual EC JET shall not be liable for any loss or damage arising from the use of any information particulars or errors in this user manual or maintenance carried out by unauthorized personnel or any incorrect use of the product whatsoever At all times the printer must be operated with EC JET approved spares and consumables Maintenance not identified in this user m...

Page 2: ...ption 10 2 2 1 Operating Simplicity 11 2 2 2 Diagnostics 11 2 2 3 Real time Machine Control 11 2 2 4 Print head Design 11 2 2 5 Printing Drops 11 2 2 6 Ideal Pitch 12 2 2 7 Detecting Products 12 2 2 8 Conveyor Speed 12 2 2 9 Ink Blockage Prevention 12 2 2 10 Blockages 12 2 2 11 Automatic Cleaning at Start and Shutdown 12 2 2 12 Velocity of Drop 13 2 3 Principles of Operation 13 3 Controls and Indi...

Page 3: ...haft Encoder ppr 27 4 6 Perimeter of Shaft Encoder mm 27 4 7 Printing Trigger 27 4 8 Aux In 27 4 9 Print Delay 28 4 10 Print Interval 28 4 11 Print Width 28 4 12 Print Height 28 4 13 Repeated Trigger 28 4 14 Data Bold 28 5 Installation Setup 29 5 1 Printhead Setup 29 5 1 1 Printhead Height 30 5 1 2 Modulation Settings 30 5 1 3 Conduit Length 30 5 2 Alarm Output 30 5 3 Remote Communication 31 5 3 1...

Page 4: ...ar Nozzle See Chapter 7 8 60 8 1 4 Cleaning the Print Head 60 8 2 Replenishing Ink and Solvent 61 8 2 1 NOTE 61 8 2 2 EC2000 Consumable Verification 61 8 2 3 Refilling the Ink or Solvent 63 8 3 Cleaning Replacing the Air Filter 64 8 3 1 Cleaning and Replacement of Air Inlet Filter 64 8 3 2 Cleaning Replacing the Air Outlet Filter 65 8 4 Quick Maintenance Mode 66 9 Warning and Fault Messages 68 9 1...

Page 5: ... Speed Variable Data 75 10 Troubleshooting 77 10 1 Where to Start 77 10 2 Identifying Faults 78 10 3 Identifying Faults by Print Sample 78 10 4 Identifying Faults by Symptom 80 10 5 Problem Solving 82 10 5 1 Problem Solving Print Samples 82 FC05 Gutter Block 82 FC06 Printhead Cover Block 83 Print Samples 84 10 5 2 Problem Solving Ink System Mechanical Faults 84 FC12 Pressure Loss 84 10 5 3 Problem...

Page 6: ...ata 102 Cabinet 102 Power Requirements 102 Environmental 102 Ink System 102 Construction 102 Capacity 103 Pressure 103 Level Control 103 Performance 103 Memory Capacity 103 Printhead 103 Types 103 Construction 103 Dimensions 103 Throw Distance recommended 103 Printing Performance Data 104 Raster Information 104 Character Height Range 104 Certificate Acquired 104 Safety Standards 104 Mechanical Req...

Page 7: ...NING ICON IS SHOWN THROUGHOUT THE MANUAL TO INDICATE THAT APPROVED EYE PROTECTION WHICH CONFORMS TO EUROPEAN AND INTERNATIONAL SAFETY STANDARDS MUST BE WORN WHEN CARRYING OUT INK OR SOLVENT RELATED ACTIVITIES CAUTION A CAUTION ALERTS THE USER TO ACTIIVITIES THAT MAY CAUSE DAMAGE TO EQUIPMENT OR REDUCE ITS OPERATING EFFIENCY BUT IS NOT DIRECTLY HAZARDOUS TO PERSONNEL NOTE A Note provides important ...

Page 8: ...served 3 Only the fully trained operators or service engineers qualified to open the front ink system door to add the ink or solvent Only fully trained EC JET approved service engineers qualified to open the screen door or the back access door 4 Always check that all covers are correctly fitted and all doors are closed before you use it If you are not sure ask your supervisor for guidance Covers a...

Page 9: ...cted skin area thoroughly with proprietary cleaner Do NOT attempt to use solvents to remove ink from skin 1 5 3 Inhalation Evacuate the person into a fresh air environment If the person experiences any difficulty in breathing obtain immediate medical attention 1 5 4 Ingestion Do not induce vomiting obtain immediate medical attention and give the casualty half a litre of water to drink 1 6 In Case ...

Page 10: ... place as the product passes the print head The presence of the product and printing can be synchronized using a product detecting sensor The printer consists of a cabinet and a print head The cabinet houses the electronics module the ink system a power supply and a message screen display The print head is attached to the rear of the cabinet via a flexible conduit The print head is supplied with i...

Page 11: ...to the printer to enable problems to be identified and rectified quickly 2 2 3 Real time Machine Control Computer components within printer keep on detecting the level of ink or solvent viscosity if ink pressure and charge value and show the detecting result on the diagnosis menu We can see these data from the screen 2 2 4 Print head Design The print head is robustly designed for industrial enviro...

Page 12: ...s This problem is overcome by either varying the print width through a user menu option to match the production of rasters with the conveyor speed or by using a shaft encoder to control the rate at which each raster is printed in relation to the conveyor movement 2 2 9 Ink Blockage Prevention It is essential to use the correct solvent for the ink being used i e the solvent used in the ink base MEK...

Page 13: ...s through the nozzle the liquid is piezo electrically pulsed modulated and the stream breaks up into a continuous series of drops which are equally spread and are of the same size Surrounding the jet at the point where the drops separate from the liquid stream is a charge electrode A voltage is applied between the charge electrode and the drop stream When the drop breaks off from the stream it car...

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Page 15: ...and or untrained personnel 3 3 Power Connection EC JET2000 serial printer make use of a single phase 50 60 Hz AC power supply of 110V or 220V Switch on the right voltage before power on the swift button can be as picture below There are two types of power supply 115V for the range of 85 132Vac 50 60Hz 230V for the range of 170 264Vac 50 60Hz NOTE Some printers may use wide domain power supply It c...

Page 16: ...ode GREEN YELLOW EARTH E BLUE NEUTRAL N BROWN LIVE L 3 4 Switch on the Printer The printer power switch adopts the left and right automatic reset knob switch which is on the right hand side of the printer The following screen is displayed when power is switched on by rotating the power to the right After the buzzer ringing for one time the printer enters to automatic checks When these checks are c...

Page 17: ...o operate the printer There are four levels User1 User2 User3 Admin Different user is allowed to operate different menu You can set automatic login when switch on the printer Locate in Setup System Setup automatic login when switch on the printer then choose Yes Otherwise you need to input the password to log in when switch on the printer 3 6 Creating a Simple Message Press key in Home Then press ...

Page 18: ...a default file name after choosing the type of raster You can revise the file name and make sure not to have the same name of existing file Enter the interface to edit message after pressing OK Click Property Current Font Choose the required font then press OK Press key input the text ...

Page 19: ...User Manual The1 1 version of 2018 Guangzhou EC PACK CO LTD 19 Press key Press key to finish editing System will save the current file automatically ...

Page 20: ...nter executes to start jet adjusting ink jet until prepare to print Once it is ready the status line will show Printing The count of data printing will accumulate After everything is ready that is the printhead is on the fixed position and the printing distance is right run the conveyor It can be printed by pushing the button of start after this If every setup is normal it will have a good printin...

Page 21: ...nual The1 1 version of 2018 Guangzhou EC PACK CO LTD 21 3 8 Stop Print Press key It still runs jetting when stop printing 3 9 Shutdown Press key There is a pop up box to set Automatic Power off Delay Press OK ...

Page 22: ...he ink discharges from nozzle execute nozzle cleaning procedure automatically This can avoid the nozzle blockages causing by ink drying The whole process of shutdown is about 4 minutes The status line will show Waiting for shutdown during executing to stop When the printer finishes shutdown the status line will show Jet Off ...

Page 23: ...press OK in the pop up box The printer will switch off the printer immediately 3 10 3 Emergency power off Rotate the power switch in the right side of the printer to left directly and the printer will power off immediately NOTE If not emergency Don t power off directly when the printer is printing or running jet This will lead to the printhead failture If any problems it needs to clean the system ...

Page 24: ...and the printer is ready to print 3 11 2 Solvent Show status of solvent level check OK Solvent level is acceptable LOW Add one bottle of solvent 3 11 3 Ink Show status of ink level check OK Ink level is acceptable LOW Add one bottle of ink The ink and solvent levels should show OK If not they must be refilled with the correct ink or solvent 3 11 4 Current warning message Current warning messages o...

Page 25: ...n of 2018 Guangzhou EC PACK CO LTD 25 The warning message will be deleted automatically when the warning status eliminates Notes Some warning messages need to delete manually Press this message and then press pop up delete key ...

Page 26: ...e Fixed speed This mode can be used if the speed of production line is fixed You only need to set the right speed of production line and the shaft encoder doesn t need to be installed Shaft encoder Use this mode and install shaft encoder if the speed of production line is variable You need to set the right parameter of shaft encoder including pulse count per round and perimeter of shaft encoder Ig...

Page 27: ...n the signal of photocell edge is detected Photocell level The printer prints data when the signal of photocell level is detected Interior Trigger by printer automatically continue printing data and don t need photocell Remote Control the printing by communication command 4 8 Aux In Off Not available Resets SN The series number of current printing data will reset if the signal of photocell edge is...

Page 28: ...ting in the mode of continuous printing 4 11 Print Width Indicate the horizontal distance between dots in data Adjust the height to width ratio of character in printing data and the whole width of data through this parameter 4 12 Print Height The height of printing data can be magnified and shrinked in a certain amount Please decide this value according to the printing effect 4 13 Repeated Trigger...

Page 29: ...utput remote communication consumable 5 1 Printhead Setup Printhead code To be used when a new printhead has been fitted to the printer and or when a reset to default has occurred The 14 digits are encoded as follows Press the right side button of printhead code when it needs to revise printhead code A printhead code editing box will be pop up Then input the printhead code according to the rules o...

Page 30: ...ly when setting this option poor printer performance will result if incorrectly set The printer will automatically change the pressure reference according to inputed printhead height In the menu you can see the calculated solvent added pressure 5 1 2 Modulation Settings Set the referance modulation voltage value 5 1 3 Conduit Length Restart the printer after changing the new printhead The system w...

Page 31: ...ut 5 3 Remote Communication EC2000 printer support RS 232 and LAN TCP this two ways to remote communication See EC JET Communication Protocol V3 1 for specific communication format Setup interface of remote communication is below 5 3 1 Network Listening Port Network listening port is used to set the connection of TCP TCP communication needs to set the IP address of printer and the IP address of co...

Page 32: ...hm of frame verification It can set the verify mode to None if it doesn t need to verify 5 3 5 Printer Transmit Signal Print Trigger State Print Go State Print End State Remote Buffer State this four menus represent four signals of four printer sending to remote host forwardly Their respective meanings are as follows Signal Meaning Print Trigger State Send this signal during trigger printing Print...

Page 33: ...ibutor PIN in the factory mode In this mode new CSN quality mode will be reminded to verify and add new consumable when the time of consumable of ink and solvent is empty Distributor PIN A length of four characters related to distributor PIN will be shown under bound mode Solvent remaining time Show the time of current solvent CSN can be used Ink remaining time Show the time of current ink CSN can...

Page 34: ...y and key to trim the setting or press text box to input the value directly Language This option sets the printer software to display the language of all screens For example menu dialog box and system information Please ensure the printer isn t on the status of printing if it needs to set the language Press the language button to show the language list Press the language name to choose the languag...

Page 35: ...be changed according to the value changing among 20 40 80 100 Touch Indicator The printer buzzer will ring once for successful revise when the setting is revised Close this prompt tone for setting to No Auto Login Set to whether use by inputting the password when start each time Automatic login when start each time by setting to yes Input the password when start each time by setting to no 6 2 Pass...

Page 36: ...CO LTD 36 Input the original password and new password twice Press key to revise 6 3 Font Press key to enter font setting This interface will list all the font be used on the printer Press the button of corresponding font name Some fonts can be forbidden ...

Page 37: ...37 There is a key below when the setting being revised Press this button to save all revise Press key to delete the selected font from printer Press key to import the new font file from USB disk 6 4 Back up Press key to enter the interface of backup and restore ...

Page 38: ... press backup button It will be pop up a dialog box to input the saving name of backup file Press key after finishing inputting the file name There is a progress dialog box of backup showing in the screen Press key after finishing backup 6 5Restore Restore the production line setting and file having backup to USB flash disk before to the printer Insert the USB flash disk to the USB flash disk port...

Page 39: ...k will be shown in the dialog box Select the file needed to restore Press key The progress dialog box of restore will be shown in the screen Press key after finishing restore 6 6Reset To Factory Defaults Reset to factory defaults will delete all the files saving in the printer and reset to the factory setting Press Reset to factory defaults key ...

Page 40: ...inter after reset to factory defaults Press key to automatic restart after the below dialog box showing in the screen 6 7 Upgrade Upgrade to new version by pressing this key when new printer software is released needed to upgrade Then press key A dialog box needed to input password of the file will be pop up ...

Page 41: ...y Don t power off the printer The printer will restart automatically after finishing upgrade 6 8 Information Press key to enter the system information interface System information interface mainly shows the system version information and status Software Version of software Logic Version of logic Charging data Version of charging data Valve action Version of valve action ...

Page 42: ...how the temperature of CPU usage CPU RAM usage and Flash usage 6 9 ID Offer the main board ID when generate the new upgrade file Insert the USB flash disk to the USB flash disk port from the back side of printer Press this menu twice to save the ID to the ID TXT file in the root directory of USB flash disk ...

Page 43: ...re valid only when the jet is running and printing is stopped e g Start Print and some are only valid when both the jet and printing have been started e g Test Printer To keep the size of the diagnostics menu small and to prohibit the use of functions which are invalid for the current state of the printer only valid functions are displayed and are selectable at any given time This is in addition t...

Page 44: ...leaning pump purge procedure Otherwise there is no solvent in the cleaning pump and the printer can t clean the printhead and pipeline when start up and shutdown Add ink and solvent as required after finishing installing the printer Enter the interface of diagnosis to start the cleaning pump purge procedure The printer will automatically empty the air in the pump and fill with solvent ...

Page 45: ...ual The1 1 version of 2018 Guangzhou EC PACK CO LTD 45 7 2 Start Jet Attempts to start the jet but does not start printing The following message will be displayed while starting the jet Starting Jet please wait ...

Page 46: ...ut printing The checking system mentioned below is different from that of Start Jet Please note this operation does not check any of the following Ink Solvent Phase VOD Modulation Detection of Printhead cover The following message will be displayed while starting the jet WARNING THIS COMMAND WILL START THE JET EVEN IF THE INK LEVEL IS LOW THE PUMP MAY BE DAMAGED IF IT IS RUN WITHOUT INK 7 5 Start ...

Page 47: ...ssage will be displayed while stopping printing 7 7 Test Print Select this option to issue a trigger the print command Triggered print command of test print is same as the photocell trigger command This command is valid only when the photocell mode from setup menu is set to Triggered and the printer is on the status of printing This command is invalid if the photocell set to OFF It will not print ...

Page 48: ...vention and taking down the printhead cover Please put a container collecting effluent below the printhead according to the hint from the screen when execute this command The printer will start to cleaning procedure after confirmation Clean the nozzle cavity and orifice repeatedly At the same time the cleaning nozzle within the printhead will clean the surface of nozzle ...

Page 49: ... engineers to clean and dry the machine on site 1 Open the lower door from the front side of printer pull out the ink system and take out the solvent tank Pour out the solvent and store it safely 2 Enter the interface of diagnosis Press the button of clean printer Select to empty the main filter in the pop up interface Then operate it according to the screen ...

Page 50: ...User Manual The1 1 version of 2018 Guangzhou EC PACK CO LTD 50 3 Take out the ink tank and install an ink SMART bottle Press in the screen after confirmation and then press Next Step ...

Page 51: ...PACK CO LTD 51 4 Unscrew nut inside the cabinet and connect the lower liquid discharge pipe to ink collecting tank Pay attention to the collecting tank needs to more than 2L Press the hint box in the screen after confirmation and then press Next Step ...

Page 52: ...s the emptying procedure Install and tighten the nut after finishing emptying procedure and then press OK The screen return to start interface and the empty time accumulates 1 The first 15 seconds will clean the feed pipe red color and flush pipe blue color of the printhead and the nozzle when it executes the emptying ink procedure each time ...

Page 53: ...User Manual The1 1 version of 2018 Guangzhou EC PACK CO LTD 53 6 Replace the ink tank with the ink SMART bottle filling the leaner and tighten the cap assembly ...

Page 54: ...ser Manual The1 1 version of 2018 Guangzhou EC PACK CO LTD 54 Then press cycle cleaning Clean the cleaning pump and cleaning pipe the green one connecting the printhead when it executes to cycle cleaning ...

Page 55: ...e Clean the printer 2 to 4 times according to the need Empty the filter in the end and connect the triple valve of fluid discharge based on step 4 Press back to exit cleaning procedure 9 Clean and dry the ink tank which changing in step 1 Install in the cabinet and close the door 7 10 Valve Test Valve test is used to detect the working status of each valve and some ink system failures in the print...

Page 56: ... PACK CO LTD 56 NOTE The solvent will be sprayed from the cleaning nozzle of printhead when execute the printhead cleaning valve Please wear the protective equipment Pay attention to fire safety System needs to be confirmed when execute this command ...

Page 57: ... line when a valid VOD has not been obtained for 15 minutes The warning will be redisplayed every 15 minutes while no VOD readings as obtained Modulation The current modulation voltage Phase The system will load the phase automatically when it is On And unload when Off Add Solvent When Press Set Pressure exceeds this value solvent will be automatically added by the printer Ref VOD The reference VO...

Page 58: ... DAC Your local distributor may ask you to use this option to 1 Diagnose and or check for any pressure loss 2 Purge the filter without resetting the filter time e g if changing ink only 3 Clean out print head by use of the venture vacuum 4 Use Quick Start Jet to try and obtain VOD measurements and ascertain if ink is thick or thin ...

Page 59: ... need On demand 8 1 Cleaning the Printer Cabinet 8 1 1 General The exterior of the printer can be cleaned using a soft cloth lightly soaked in a mold detergent CAUTION Do not use abrasive cleaning agents Do not use excessive pressure when wiping over the LCD screen excessive pressure can cause damage 8 1 2 Ink Spillages If ink is accidentally spilled onto the exterior of the printer the following ...

Page 60: ...shown below Place a suitable container underneath and wash the entire printed circuit board PCB surface with the appropriate solvent Do not use the wrong solvent make sure it is the solvent corresponding to the ink type being used in the printer Simply squirt the solvent in short bursts onto the affected parts with a short delay between bursts to allow ink to dissolve The surplus solvent will run ...

Page 61: ...ation are consistent with the using printer before replenishing 8 2 1 3 Only add ink or solvent when ink or solvent low warning 8 2 1 4 Each add no more than 500ML 8 2 2 EC2000 Consumable Verification 8 2 2 1 Put the ink or solvent bottle near the RFID reader and the label near the consumable CSN reader during the first time using After the machine reading the CSN a dialog box will showing CSN is ...

Page 62: ...lity code reader closely and put the tag near the RFIC reader closely the printer will read the CSN quality code 8 2 2 3 Open the ink system door and find the RFID assembly 8 2 2 4 Hold the ink or solvent bottle keep label alignment of RFID putting into the groove about 2 seconds When the light of the RFID turn green with one long alarming it means read successfully When shown the following interf...

Page 63: ...nue to verify Note2 You can see the remaining time of ink or solvent on install consumable interface Note3 Printer shows the remaining time of ink only after printing status lasted for more than a minute NOTE If it don t verify the CSN according to the hint printer will show every 15 minutes 8 2 3 Refilling the Ink or Solvent 8 2 3 1 Withdraw the ink system gently until stops if necessary another ...

Page 64: ...efilling push back the ink system 8 3 Cleaning Replacing the Air Filter There are two air filters the inlet and outlet filter in the model 8 3 1 Cleaning and Replacement of Air Inlet Filter 8 3 1 1 The inlet air filter is located in the rear of the machine According to the environment periodically perform routine maintenance Suggest to clean every week to replace filter when is blocked by dust 8 3...

Page 65: ...3 2 2 Unscrew ink tank limit thumb screw of the guide rail some machine only have one guide rail 8 3 2 3 Open the front door ink system door hold ink system by hand and gently take it out from the printer 8 3 2 4 Take out ink system tank assembly 8 3 2 5 Unscrew the thumb screw in the outlet of the fans 8 3 2 6 Replace the dust proof cotton and return to each part according to the reverse steps ...

Page 66: ...d draw out until it can t move 8 4 1 3 Take out the ink tank put a clean cloth or paper under the ink tank unscrew the connector of the ink routine take out the ink dip tube and level sensor carefully then put into the SMART bottle show as following picture screw the connector of routine 8 4 1 4 Remove the solvent tank pour the solvent to a container about 2 litre and tighten the cap Then take a m...

Page 67: ... back to agents or resellers EC JET and agents or resellers will provide you more dedicated service 8 4 1 8 EC JET agents or resellers will send the machine back to customer Follow above opposite steps to change the SMART bottles into ink and solvent tank then you can use the printer normally ...

Page 68: ...ages 9 2 1 System Failures These prevent normal printer operation Contact with EC JET distributor when necessary 9 2 2 Print Failures These occur when the software detects a problem which affects printing 2 00 Print head temperature 2 01 Deflector voltage 2 02 Charge 2 03 VOD 2 04 300V power supply 2 05 Temperature Deflector 2 06 Ink tank empty 2 16 Internal Spillage 9 2 3 System Warnings These ar...

Page 69: ...ES MAY BE PRESENT WITH SOME SYSTEM FAILURES DO NOT TAMPER WITH THE PRINTER OR PRINTHEAD WAIT UNTIL THE FAILURE SHUTDOWN IS COMPLETE 9 3 1 Print Failures These occur when the software detects a problem which affects printing When a Print Failure occurs a message is displayed on the screen status line and a jet shutdown sequence is started The internal alarm buzzer is switched on the print ready lin...

Page 70: ...ocal engineer 9 3 3 2 01 Deflector Voltage The voltage on the deflector plates has discharged which is normally caused by ink build up Possible causes Excess build up of ink on deflector plates Clean the print head as described earlier in this manual see Daily Maintenance Static discharge Check for any source of excess static electricity Printhead still wet after cleaning Allow the print head to f...

Page 71: ...r local EC JET distributor 9 3 7 2 05 Temperature Deflector A failure has occurred which the printer has not been able to fully identify see Print Failures 2 00 and 2 01 9 3 8 2 06 Ink Tank Empty This failure occurs when the ink level sensor has been indicating low for a predetermined time Micro 8 hours Midi 8 hours Macro 3 hours This prevents the ink from running out completely if the user fails ...

Page 72: ...eleted automatically when the warning status is eliminated All warnings and faults are logged and may be displayed by pressing which displays all errors that have occurred The following pages describe the System Warnings together with the actions to be taken if any 9 4 1 3 00 No VOD Adjustments This warning can occur when the jet is being started or when the jet has been running for some time Poss...

Page 73: ...reported and the new pattern is not printed In effect this will mean that alternate objects will NOT be printed on The warning applies to the current printing is reset automatically when printing is restarted Possible cause The next object has arrived at the print head before the last pattern is complete because 1 The line speed is too fast 2 The pattern is too long compared to size of the objects...

Page 74: ... AUTOMATIC SHUT OFF THEREFORE THE PRESENCE OF THIS WARNING IS NOT A GUARANTEE THAT THE EHT IS OFF Printing is suspended when the cover is removed and is resumed a few seconds after the cover is refitted The warning supplies to the currently printing pattern it is reset automatically when printing is restarted 9 4 9 3 08 Print Head Not Fitted At start up the software checks the type of print of pri...

Page 75: ...TACT YOUR LOCAL EC JET DISTRIBUTOR IMMEDIATELY 9 4 13 3 12 Low Pressure When starting the jet the printer has detected a loss of ink pressure which will affect the printer s performance Possible causes The main ink filter is blocked Pump output is low Contact your local EC JET distributor 9 4 14 3 14 Over Speed Variable Data This indicates that the printer has missed at least one pattern because i...

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Page 77: ...most complicated combination of faults always start by investigating the most simple possibilities 10 1 Where to Start All problems with printer operation are distinguished from each other by the symptoms displayed These symptoms can be obvious faults with print quality error messages on the display or any other signs by which it is apparent that the printer is not functioning correctly When the s...

Page 78: ...Modulation and Phase Compare these with the reference values and identify any out of specification measurements See Diagnostics Make print samples if possible and examine the prints carefully for signs of print quality problems Only when all of the symptoms have been noted should an attempt be made to identify the possible cause of the problem 10 2 Identifying Faults Some faults are best identifie...

Page 79: ...oduce The list shows print samples of the standard test pattern which can be compared with samples taken from the printer under investigation Below each sample or set of samples is a brief description of fault symptoms Also provided are the possible causes of the fault ans a reference to a particular fault code number in the Problem Solving Print Samples part where the problem and its method of re...

Page 80: ...e fault the best example being the fault messages displayed in the screen status line The Warning and Fault Messages section lists all of the warning and fault messages This section also gives a detailed explanation of the condition that the printer control logic has detected which has resulted in the particular message being displayed If there is no fault message or if the message on its own is n...

Page 81: ...ces to fault code numbers by which the faults are identified in the Problem Solving subsection where the problem and its method of rectification is described in more detail Symptom and Possible Causes Fault Code BEFORE SWITCHING ON Ink deposits in the print head or on the cover slot Jet Alignment Problem FC32 Ink leaking from gutter Gutter Problems FC35 AFTER SWITCHING ON Ink leaking from gutter G...

Page 82: ...S STOPPED Poor purge of nozzle at shutdown Gutter Problems FC35 10 5 Problem Solving This sub section describes the faults identified in the previous sub section Identifying Faults For each fault identified by a fault code FC number procedures are given for confirming the presence of the fault and actions necessary to rectify the fault Fault codes not referenced in this manual are faults that can ...

Page 83: ...res The following diagram illustrates the problem Above printing indicate if the gutter is block the droplet on the top of printing will be block and can not be print out Cause and Cure Check the EHT settings see Changing the System Setup Check the jet alignment FC06 Printhead Cover Block Diagnosis This problem is caused by the most deflected drops catching the edge of the exit slot in the printhe...

Page 84: ...s The above print sample shows what can happen if the print head cover slot is obstructed by dried ink dust or some other contaminant such as a hair Cause and Cure Clean the exit slot using the appropriate solvent for the type of ink being used in the printer Make sure that the print head cover is correctly positioned and securely fitted on the print head NOTE Some of the Printhead Cover Catch pri...

Page 85: ...rom the pump so that the motor is spinning wildly but not turning the gears in the pump head again resulting in a total pressure loss The gears in the pump are worn resulting in less than totally efficient drive and a partial pressure loss A leak has developed on the output side of the pump NOTE If the pump motor is turning but the pump itself is not there will be a normal reading for Set Pressure...

Page 86: ...t your EC JET distributor 此处本来有清洗喷嘴的图片修改后删除 FC35 Gutter Problems The faults which can occur in the gutter line are as follows Blocked gutter which can be due to Incorrect shutdown not purging the gutter Ink leaking from the gutter during a period of non use Print head mounted lower than the printer causing siphoning effect Poor gutter action inadequate suction Very thick ink e g pressure is 40 po...

Page 87: ...ted and some expanded as the product tilts first one way then the other Similarly when the product tilts at 90 degrees to the axis of the conveyor travel the height of some characters will be contracted and some expanded as the product tilts first one way then the other This is shown in the following illustrations ...

Page 88: ...dy speed If it is the product which is vibrating then the print quality will be good If the print quality is poor the vibration is likely to be coming from the print head To test for print head vibration pass a piece of paper under the print head in the same way as described above but this time hold the print head with your other hand to dampen any vibration in it If print quality improves as a re...

Page 89: ... photocell it will activate a print go signal which causes the current message to be printed immediately The Print Delay option of the SETUP menu is used to delay printing to allow the product to travel further before printing thus controlling exactly where the message is to be printed For instance if the product is a long one and the message is to be printed in the middle it will be necessary to ...

Page 90: ...g Over Speed Print Go Error If the message to be printed is too long for the product or the conveyor is travelling faster than the system can print the following warning message will be displayed in the status line of the display 3 02 Over Speed Print Go The following illustrates the problem ...

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Page 92: ... following contents EC JET Printer EC JET User Manual a guide to quick use Packing list Final test print sample sheet Total Quality Plan packing card Key for cabinet specified cleaning set air filter set 1 2 Where to Put the Printer The EC JET printer must be sited on a firm solid base preferably a EC JET cabinet or mounting table and with a clean power supply i e free from electrical interference...

Page 93: ...t If the printhead is moved nearer to the surface to be printed height of the printed character will decrease if moved further away its height will increase However adjustment of the print height should be controlled through the SETUP menu NOTE Do not attempt to adjust the printer character height by changing the print head to product distance This may result in deterioration of print quality 1 6 ...

Page 94: ...nt positioning on the product 1 6 1 Photocell Connections The photocell is connected to the system via a 9 pin D Type connector The function of each pin is described below Pin 1 24volts Pin 2 0 volts Pin 3 5 volts Pin 6 Next Object Signal If the photocell has a screened conductor it should be connected to the shell of the D Type connector and to the printer chassis at the printer end of the cable ...

Page 95: ...om the product EC JET provide the encoder wheels 188 8mm circumference 60mm diameter A given encoder and drive gearing will have a fixed encoder pitch that is the distance travelled by the product for each pulse cycle of the encoder output The width control in the printer is used to generate rasters at integer multiples of the encoder pitch This multiplier is the pitch factor and will always be a ...

Page 96: ...es the best quality print i e 1 1 aspect ratio at the default printer settings This value is known as the ideal pitch a table later in the section lists them For a particular application you may want to choose a different pitch bearing in mind that the aspect ratio can be adjusted using the Print Height setting see Changing the System Setup The required raster pitch is calculated by Required raste...

Page 97: ...and the message will not fit in the print target area 38mm Note the ideal drop pitch for the 60 micron printhead of EC JET is 0 4mm If the actual drop pitch is bigger than 0 4mm the raster distance will be wider the line speed will increase Step 2 Select the Encoder Gearing and Pitch Factor A particular combination of encoder and encoder drive gearing or wheel will give a particular encoder pitch ...

Page 98: ...2mm 0 075mm 5 0 375 2 5000ppr 188 2mm 0 0375mm 10 0 375 3 10000ppr 188 2mm 0 0188mm 20 0 375 For this example the actual pitch using EC JET standard encoder wheel and the resulting two encoder are close to the desires pitch taking into account the higher pulse value the higher cost encoder we will start with 5000PPR encoder with EC JET standard encoder wheel diameter 60mm perimeter 188 2mm factor ...

Page 99: ...requency Limiting Signal Frequency see the following table The specified frequency varies with encoder type Shaft Encoder Frequency kHz 2500ppr 20 0 5000ppr 80 0 10000ppr This gives the following maximum encoder speeds for standard EC JET encoders and wheels Encoder Maximum Encoder Speeds for EC JET Standard Wheel 188 2mm 2500ppr 0 075 1 5m s 5000ppr 0 0375 3m s 10000ppr 0 0188 1 5m s The maximum ...

Page 100: ...a variety of normal running speeds to confirm the settings This must include the maximum running speed Note If the customer has strict requirement on the message width necessary to calculate the drop pitch as requirement and design encoder wheel diameter rather than using EC JET standard encoder wheel and choose the right encoder check if suitable following Step 3 1 7 3 Encoder and Print Width Pro...

Page 101: ...ember to enable the shaft encoder using the SETUP menu and adjust the Print Delay 2 If the message length measured on the original samples i e with the shaft encoder enables and the original Print Width settings was shorter than that required then the print width must be increased The calculations will give the correct setting if guessed at the results could still be unpredictable 1 8 Using the Pr...

Page 102: ...ernal height 555mm External depth 305mm External width 330mm Weight Printer weight 25 5kg excluding ink solvent and packaging Power Requirements 115V Voltages range 85 132Vac 50 60Hz 230V Voltages range 170 264Vac 50 60Hz This equipment is a Class 1 earthed Electrical connections at the rear of the cabinet comply with the extra low voltage safety requirements WARNING THIS PRINTER MUST BE EARTHED G...

Page 103: ...400ml Solvent tank sense low Warning reported at approximately 400 ml Performance Solvent consumption 10ml h at 20 Celsius ambient using EC1240 MEK black ink Memory Capacity Message storage capacity 2 areas 32 messages each area Logo storage capacity Up to 100 logos Chinese character 12000 inside Printhead Types Micro 40 micron Midi 50 micron 60 micron and 70 micron Construction Printhead Polyform...

Page 104: ...raster Maximum character height 12 mm Midi 60 micron print head using 16 dot raster Certificate Acquired Safety Standards Meet TUV GS standards Mechanical Requirements Meet 89 392 EEC requirement Revision 91 368 EEC and 93 44 EEC Low Voltage Safety Requirements Meet 73 23 EEC requirements EMC Performance Meet 86 366 EEC requirements Revision 92 31 EEC European Safety Standards EN292 1 2 1991 Mecha...

Page 105: ...User Manual The1 1 version of 2018 Guangzhou EC PACK CO LTD 105 U S EMC Standards FCC 47CFR Part 15 Class A ...

Page 106: ...than ideal pitch i e double or treble pitch see Appendix 1 Installation and Setting Up NOTE Print quality will be impaired if printing takes place at anything other than ideal pitch Ideal Pitch Otherwise known as single pitch this is dependent on the raster i e printer type being used Printers with the faster rasters have an increased pitch capacity because the overall character height is larger T...

Page 107: ...User Manual The1 1 version of 2018 Guangzhou EC PACK CO LTD 107 Appendix 4 Dimension ...

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