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SOP for operation of inkjet printing machine

  • Objective:
  • To lay down a procedure for operation of Ink jet printing machine.
  • Scope
  • This SOP is applicable for operation of Ink jet printing machine (make:Image).
  • Responsibility
  • Officers or above – Production.
  •  Accountability
  • Production Head.
  • Abbreviations
  • SOP : Standard Operating Procedure.
  • LCD : Liquid Crystal Display
  • Procedure
  • Start-up
  • Ensure the cleanliness of area and machine.
  • Check the line clearance of the machine.
  • Switch “ON” the mains and press “ON/OFF” key. Which is provided on the left side of the cabinet. Start printer “YES” or “NO” will be displayed on the LCD. Select “yes” to start the printer.
  • Starts in progress” will be displayed on the LCD (Liquid crystal display) screen.
  • Check the green indicator on jet ON/OFF start to flash.
  • 1/15, 2/15——- up to 15/15(one by one in same space) will be displayed on the top left corner of the LCD screen. This shows that starting process is going on When sequencing of counting will reach to 15/15,blinking of test print will be stopped and instead of 15/15, “ ON” will be seen .This indicates that printer is ready to prints.
  • Function icons of icons panel screen:
  • F1 Select messages
  • F2 Create message
  • F3 Edit current message
  • F4 Message parameter
  • F5 Counter
  • F6 Ink level status
  • F7 Additive level status
  • F8 Print head maintenance
  •  To select and print stored message (F1)
  • Press function key “F1” through key board which is provided on the below of LCD
  • Stored message list will be displayed on the LCD find the required message by pressing selection key, then press “ENTER” key which is provided on the right of the cabinet.
  • Press “F3” LCD will show full message of selected message.
  • Select submenus “Message” by pressing “ESC”
  • Select drop down command “Load Printer”.
  • Press ‘ENTER’ key.
  • Message will be printed on each print.
  • To create and print the new message (F2):
  • Press function key” F2” through key board which is provided on the below of LCD screen.
  • Message name ………….. Will be display on the LCD.
  • Type the message name through keyboard.
  • Press “ENTER” key.
  • Type the required message.
  • Select the sub menus (message, font, variable, parameter.) and drop down command (new, open, save, save as atc.0 for the message.
  • Press “ESC” key.
  • Select save commands to save the created message.
  • Again press” ESC” key.
  • Load the message by selecting “LOAD PRINTER” command.
  • Message will now be printed on each print.
  • To delete existing message after batch completion (F3)
  • Press the delete key to delete the batch details .
  • Press “ ESC ” key to go sub menu “ message” .
  • Select “ Close” or “ save” command to save the message.
  • Again through “ESC” key , go to sub menus” message” .
  • Select Load printer command.
  • Press ENTER key.
  • Check the overprinting details prior to start printing.
  • To set message parameter: (F4)
  • Press functional key F4.
  • Following parameter will be display on the LCD.
  • Head sense:
  • Select head sense parameter.
  • Press TAB key. Position of head will be display on the right side of the LCD.
  • Select the required position by using selection keys.
  • Note:  Commonly set “constant speed.
  • Press “ESC” key.
  • Select required parameter by using selection keys.
  • Cells
  • Tacho
  • Constant speed
  • Press “TAB” key. Following parameter will be displayed
  • Select “speed measurement” parameter.
  • Speed measurement:
  • Program is not allowed to change this parameter.
  • Tacho division
  • Press “ESC” key.
  • Change the numerical value as per requirement.
  • Press “TAB” key
  • Select “Object” parameter
  • Object speed
  • Press “ESC” key.
  • Select required parameter by using selection keys.
  • Multitop.
  • Repetitive
  • Object
  • Press tab key following parameter will be displays.
  • To modify a text ,selected “Set off” parameter.
  • Set off
  • Note: commonly set to “millimeter”.
  • Press “ESC” key.
  • Select required parameter by using selection keys.
  • *Raster
  • *Millimeter
  • Press “TAB” key following parameter will be displays
  • Select “UNIT” Parameter.
  • Unit
  • Press “ESC” key.
  • Change the numerical value as per requirement.
  • Press “TAB” key.
  • Forward margin
  • Note: For forward and return margin, numerical value must be same.
  • Press “ESC” key.
  • Change the numerical value as per requirement.
  • Press “TAB” key.
  • Return margin
  • Press “ESC” key.
  • Change the numerical value as per requirement
  • Press “TAB” key.
  • Repetitive interval
  • Press “ESC” key. To set the counter
  • Select required parameter by using selection keys.
  • 001
  • 00
  • Press “TAB” key. Following parameters will be displayed.
  • Algorithm number
  • 09———-15
  • 03———-08
  • 01———-02
  • Select display counter:
  • Following message will be displayed on the LCD.
  • Press functions key ”F5”.
  • ctr2   00000000 Init
  • ctr1    00000000 Init
  • Select the counter and press “ENTER” key. Following message will be displayed.
  • Press “ESC” to main menu.
  • To check ink level status ( F6):
  • Press function key F6 to check the status of ink. Following details will be displayed on LCD. Ink 9175:
  • Ink 100%
  • Make – up
  • 0%
  • Press “ESC” key to go main menu.
  • To Check Additive level status (F7):
  • Press function key “F7” to check the status of Additive. Following details will be displayed on LCD.
  • Make up 8188:
  • Ink   100%
  • Make – up
  • 0%
  • Press “ESC” key for main menu.
  • Print head maintenance:
  • Prior to cleaning of print head fix it on the service tray.
  • Remove print head cover.
  • Press function key F8 for print head maintenance. Following function will be displayed.
  • unblock nozzles
  • intro cleaning solution
  • check stability
  • gutter drain Adjust jet
  • jet start
  • jet stop
  • To clean the head, select unblock nozzle.
  • Press “ENTER” key.
  • Keep it one for approx one min.
  • Press” ENTER” key jet will be stop.
  • Check if the jet is not in the gutter, select intro cleaning solution function and keep it on for approx.20sec.
  • Select check stability function then press “ENTER” key. Keep this function on for approx.1 min .IF jet is stable press “ENTER” key.
  • Faults and alarms displayed and their corrective action ( F8)
  • If there is any fault occurred, red light blinking will be started.
  • Press “i “key to view the fault or alarm.
  • Press “ENTER” key to clear the fault or alarm.
  • Refer following table for faults and alarm.
No. Faults & Alarms Description displayed Recommended corrective action
50 Alarm Ink level low Wait for alarm 52 to display
51 Alarm Additive level low Wait for Alarm 53 to display
52 Alarm Empty ink cartridge Replace empty ink cartridge
53 Alarm Empty additive cartridge Replace empty additive cartridge
81 Fault Bad drop detection jet 1 Wash and dry the print head and cover
82 Fault Bad drop detection jet 2 Wash and dry the print head and cover
84 Fault No print head cover Put the print head cover
87 Fault High voltage fault Clean and dry the print head
  • Replacement of Ink and Makeup cartridges:
  • Remove cartridge holder from ink and additive component.
  • Keep lever of holder at center position and remove the cartridge.
  • Replace the cartridge and lock with lever.
  • Note: If carried without delays then no need to shutdown the printer:
  • List of printing consumables:
  • Ink cartridge: 9175
  • Additive cartridge (make-up) 8188
  • Additive 5100(cleaning solution)
  • Shut down procedure:
  • Press ON/OFF key for 2 to 3 min
  • Stop in progress will be displayed on the LCD
  • Wait until LCD not display Image 9030
  • Green power indicator stops flashing and remains off
  • Switch off the mains.
  • Record the operation time in equipment log book as per SOP.
  • Forms and Records (Annexures)
  • Not Applicable
  • Distribution
  • Master copy –   Quality Assurance
  • Controlled copies- Quality Assurance, Production, Quality Control
  • History
    Date Revision Number
    Reason for Revision
    00 New SOP

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