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Need Help Gx-24 Plotter USB not working.

Discussion in 'Roland' started by Alex C, Nov 20, 2020 at 2:20 AM.

  1. Alex C

    Alex C New Member

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    Jul 28, 2016
    Martinique
    Hello everybody,

    Having a gx-24 plotter which is not detecting the usb cable..
    Is there a way to fix this issue out without replacing the main-board?
    I've considered to replace the ic driver chip M66291 GP-2, very tricky job tho..

    Yours,
     
    Tags:
  2. netsol

    netsol Active Member

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    Apr 26, 2016
    englishtown, nj
    alex, just to be clear, you plugged in a different laptop that has never connected to your plotter? just to be sure it isn't simply a usb history thing.

    you need to find someone with a hot air desoldering/rework station

    someone who does computer repair (a "real" properly equipped facility)
    you used to be able to go to a place that fixed tv's or vcr's cameras or camcorders, but these days that is like telling you to find someone who puts horseshoes on
     
  3. netsol

    netsol Active Member

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    you can probably find domeone like mac media on ebay.
    he does repairs for certain models, you can search, find a listing & "contact seller" / "ask a question"
     
  4. netsol

    netsol Active Member

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    englishtown, nj
    alex

    change of advice
    you have a serial port

    lets get a pci serial cardand the correct cable from amazon

    i will help you configure

    you will be in for $40 or less & serial ports never go bad

    you might be in for $200 or higher if we opt to fix the board & there is always a slim chance of destroying the board.

    it's your call. configuring will be kind of a pain in the *** (think root canal) but it will have a success at the end of your adventure

    if you have alaptop order a good usb serialadapter.

    (sophie is having an ordeal with hers, but she will have a success at the end as well)

    i did my first serial connection in the days when you booted your computer off a 5" floppy disk. no plug and play devices then.

    so, if you order, i will work with you on this
     
    • Agree Agree x 1
  5. Alex C

    Alex C New Member

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    Jul 28, 2016
    Martinique
    Hello NetSol, I've considered the option using the Serial Port.
    The main issue was:
    • Lost connection problem, maybe it was badly configured or the serial to usb adapter is not compatible.
    • The "Get from Machine' wont work..
     
  6. netsol

    netsol Active Member

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    usb to serial,convertors still need tobe setup
    go to rolanddga.com then support, them cutting.
    find your device, download user manual

    go to page 3 and print it

    you have dip switches, check them. whole row on off is default

    whether you use usb serial or serial cable, all settings must match


    on pc, go to device manager

    open ports

    choose your com port

    choose properties

    settings you want are either here or in advanced

    make sure all settings match what you found for the plotter

    any changes made, power both devices down.

    start plotter first.

    wait a minute, then start computer, setial devices only trybto link once, any change,
    you need to restart

    make sure settings are the same in your cutting program
     
  7. netsol

    netsol Active Member

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    what is "get from machine". ?
     
  8. Attila Nagy

    Attila Nagy Member

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    Sep 24, 2018
    London
    After the machine measured the material, You can read it back to the cutting software. This function is actually working with serial connection as well.
     
  9. netsol

    netsol Active Member

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    attila

    did we get sophie working?

    you and I seem to be the serial port experts, these days
     
  10. Attila Nagy

    Attila Nagy Member

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    Sep 24, 2018
    London
    It was OK. once after she did some changes vith the DIP switches. than wrong again. Could have some loose soldering on the serial Connection or on the mainboard. I'll see her on tuesday.

    In here: Serial connection with correct settings and cablig, just as stable as usb,and readback works too. There are many same cases online with the same cutter. I did not have one to see myself. Would be nice if someone could send me a faulty motherboard or cutter to be able to investigate and share the solution.
     
  11. netsol

    netsol Active Member

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    much more stable than usb

    the best thing is, usb is VERY STATIC SENSITIVE, they die left & right, once heating season starts, from static electricity
    that is why i always warn everyone to install a humidifier, especially if the work area is carpeted

    as a rule, the serial connection is bullet proof

    let me know if you need anything

    andy
     
  12. Alex C

    Alex C New Member

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    Jul 28, 2016
    Martinique
    Hi Guys,
    thank you for information and advice. Opting to go for the serial connection.

    Do you have pinouts for roland DB9 to DB25 serial cable..
     
  13. Attila Nagy

    Attila Nagy Member

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    Sep 24, 2018
    London
    upload_2020-11-24_10-31-8.png
     
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