+ All Categories
Home > Documents > Print Head Replacement HM1

Print Head Replacement HM1

Date post: 14-Apr-2018
Category:
Upload: joecentrone
View: 234 times
Download: 0 times
Share this document with a friend

of 6

Transcript
  • 7/27/2019 Print Head Replacement HM1

    1/6

    Print Head Removal / Replacement in DTG HM1 Kiosk andDTG Eclipse.

    Prior to starting work on removing any components from your DTG HM1 Kiosk orDTG Eclipse (in fact, any DTG printer) ensure that the printer is switched off and

    that mains power has been switched off and disconnected from the printer. Alsodisconnect USB cable(s) from the rear of the printer.You may wish to release the Print Head from its home position on the CappingStation prior to disconnecting power from the printer (press Ink button on top ofHead Unit once, once Print Head has moved slightly to the left, kill the mainspower to the printer).Please note that photographs used throughout this guide may show either the DTGHM1 Kiosk or the DTG Eclipse, however the procedures described will relateequally well to both of these printer models.

    1 Remove Covers from Print Head1.1 Release Print HeadRelease the Print Head from its locked / home position (if you havent alreadydone so as per above) by manually releasing the Carriage Lock:

    Remove the rubbergrommet from theright side panel of

    the Head Unit. Usinga flashlight to seeinside the exposedhole in the casing ofthe Head Unit, fit asmall, flat bladedscrewdriver into theslot in the end of thewhite nylon shaftwhich is visible in thole. Turn the screw

    driver anticlountil you feel some resistance, the Print Head should now be free. ( Turning thisshaft manually drives the Capping Station / Wiper Blade & Carriage Lockmechanisms).

    he

    ckwise

    - 1 -

  • 7/27/2019 Print Head Replacement HM1

    2/6

    1.2 Remove Metal Covers from Print Head Carriage

    First disconnect the

    bracket which secures theink tube guide to the PrintHead Carriage byremoving the two screwsas shown:

    Next, remove the screws asshown on the first HeadCarriage Cover

    - 2 -

  • 7/27/2019 Print Head Replacement HM1

    3/6

    And slide the cover outfrom underneath the InkTube Bracket / InkTubes:

    Remove the two screwssecuring the secondHead Carriage Cover.

    Slide the second HeadCarriage Cover out fromunder the Ink Tubes / InkTube Bracket:

    - 3 -

  • 7/27/2019 Print Head Replacement HM1

    4/6

    2 Remove Damper Assembly

    Remove white spacer block

    from in front of DamperAssembly

    With a very smallrocking motion and asimultaneous liftingmovement, lift &remove the DamperAssembly from withinthe Head Carriage.Take care not to touch

    the sides of theDampers themselves,use only the sides ofthe Damper Housing tolift. Place the DamperAssembly out of theway and up-side downso that ink does notrun out of the dampers.

    - 4 -

  • 7/27/2019 Print Head Replacement HM1

    5/6

    3 Disconnect & Remove Print Head from Print Head Carriage:You will first need to releasethe Head Ribbon Cable Guidefrom the Print Head Carriage.To do so, release the 3 tabs as

    marked and then lift the HeadRibbon Cable Guide clear ofthe Print Head Carriage.

    Remove the 3 screws asmarked that secure thePrint Head into the PrintHead Carriage.

    Lift the Print Head fromthe Print Head Carriage.Disconnect the two HeadRibbon Cables from theirsockets on the small

    circuit board in the PrintHead.

    - 5 -

  • 7/27/2019 Print Head Replacement HM1

    6/6

    4 Replace Print HeadTake note of the new Print Head Rank ID which is printed on a small white stickeron the top of the Print Head. Connect the new Print Head to the Head RibbonCables. Reassemble the Print Head, Damper Assembly and Print Head CarriageCovers in the reverse of the disassembly described above. Take care at all timesto avoid trapping / damaging ink tubes, cables, wires etc. when replacing covers.

    Take care to ensure that all cables / wires are reconnected straight & true.Incorrect cable / wire connections can result in permanent damage to circuitboards & therefore printer operation.Update the Print Head Rank ID for the new Print Head by way of the EpsonMaintenance / Adjustment program for the Epson Stylus R2400.

    - 6 -


Recommended