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dx4 print head

  1. Need Help Roland VP 300 problem after pint head changed

    Hello guys, I own a VP 300 and last morning the magenta and yellow head wouln't fire any ink. As we have had power cuts 2 days before i 've conclued to broken print heads so decided to replace both. But after replace the yellow one and tried a TEST PRINT, black and blue ink came out from the...
  2. Need Help PRINTHEAD NOT PRINTING CYAN OR MAGENTA! - FUSE KEEPS BLOWING? XC-540

    Hi Guys really need some help on my Roland XC-540 it has been offline for around 2 months now. The CYAN & Magenta is not firing at all I changed the fuse and it has blown almost instantly when I put it in and turned it on. Luckily I have a spare fuse however thinking there is no point putting...
  3. Need Help "Service Mode Protected".

    "Service Mode Protected". sp540i can anybody help
  4. Issue with DX4 Roland VP 540i Cyan

    Hello, this is my first post in this great community. I haven't introduced myself in an another thread but i would like try to share my failures with my Roland VP 540i. First of all, I want to tell that we just bought the printer four weeks ago. The heads were fine, but now we wanted to start...
  5. DX4 replacement procedure for SC-540

    Two questions: 1) Where is the best place to buy replacement DX4 print heads? 2) does anyone have a video or step by step procedure for replacing heads on a Roland SC-540? Thanks! David.
  6. Wanted: Old print head for Mimaki JV3 (DX4)

    I had a plastic nozzle break off the top of one of mine and I want to try to fix an old one I have. The rest of my print head is good, I just need this plastic piece. Anyone have one laying around that they were throwing away?
  7. Hello,that’s what the Signs101 community is all about

    Hi you all- Johan here from San Jose California. I work at a printing company in sunnyvale. I find your site very usefull and decided to take the plung and register! we buy two used printers one Mimoki JV3 and one Mutoh Toucan 6 color, Thanks to everyone for all the past and future...
  8. Saving Roland (DX4) print heads

    We are offering print head cleaning machines that can recover Roland (Epson DX4) heads even if they are badly clogged. Here is the video how it's done. More info on the machine: www.PrintHeadDoctor.com
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