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Thread: HP DJ T795

  1. #11
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    HP DJ T795

    Kiran Otter's Avatar
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    Re: HP DJ T795

    Check the connectors to the electronics module where the ISS is connected. Look for bent pins. Reseat the connectors. Disconnect the ISS at the ISS and see if the error changes. Was there an ink leak? Are the ISS contacts contaminated with ink? Clean them off.

    Kiran

  2. #12
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    Re: HP DJ T795

    After reseat some connectors: 08:04. I tried to rewrite new firmware via usb thumb. Since more than 2 hours initialisize 20%.

  3. #13
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    Re: HP DJ T795

    08:04 is very misleading. It's not a problem with the front panel. In my experience it's the hard drive on the formatter board. But it may also be the formatter itself, or the power supply.

    What happened to this printer that it's having so many problems??

    Kiran

  4. #14
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    Re: HP DJ T795

    Wrong question! Korrect: What I had done that I have to repair this plotter? It's in perfect condition, no ink on connectors.

    After interrupt firmware update same error as to begin: "Print heads must be replaced individually"
    Last edited by CP-1015; 09-03-2021 at 05:50 PM.

  5. #15
    Master Of The Obvious 10,000+ Posts
    HP DJ T795

    blackcat4866's Avatar
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    Re: HP DJ T795

    Quote Originally Posted by Kiran Otter View Post
    Check the connectors to the electronics module where the ISS is connected. Look for bent pins. Reseat the connectors. Disconnect the ISS at the ISS and see if the error changes. Was there an ink leak? Are the ISS contacts contaminated with ink? Clean them off.

    Kiran
    I think it was a T2530 ... It kept telling me to re-seat ink cartridges in the right side ISS. Randomly combinations of yellow, magenta, & cyan. I could tell that the enduser had swapped in 3 different yellow ink cartridges, all of which were full. Sometimes swapping in an ink cartridge worked for a while.

    I ended up re-seating cables to the right side ISS. It seemed to take even longer than normal to initialize ... then the issue was solved. =^..^=
    If you'd like a serious answer to your request:
    1) demonstrate that you've read the manual
    2) demonstrate that you made some attempt to fix it.
    3) if you're going to ask about jams include the jam code.
    4) if you're going to ask about an error code include the error code.
    5) You are the person onsite. Only you can make observations.

    blackcat: Master Of The Obvious =^..^=

  6. #16
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    Re: HP DJ T795

    Sorry for my late reply - but my colleague has picked up his plotter and is only providing information sporadically.

    In the end there was only an error message from the formatter! Is there something to watch out for when / after replacing the formatter battery. It was less than 3 volts.

  7. #17
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    Kiran Otter's Avatar
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    Re: HP DJ T795

    I'm not sure I understand. Replacing the battery fixed the 08:04 error? That would be surprising if so.

    The hard drive is the weakest link on the formatter.

    Kiran

  8. #18
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    Re: HP DJ T795

    Quote Originally Posted by Kiran Otter View Post
    I'm not sure I understand. Replacing the battery fixed the 08:04 error? That would be surprising if so.

    The hard drive is the weakest link on the formatter.

    Kiran
    I don't think the battery fixed 08:04, too. But I'll ask him about the last error code and write it here. Until then, thanks you.

  9. #19
    Service Manager 10,000+ Posts
    HP DJ T795

    Phil B.'s Avatar
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    Re: HP DJ T795

    Quote Originally Posted by Kiran Otter View Post
    I'm not sure I understand. Replacing the battery fixed the 08:04 error? That would be surprising if so.

    The hard drive is the weakest link on the formatter.

    Kiran
    +1 on HDD being weakest link.

    Sent from my SM-G960U using Tapatalk

  10. #20
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    Re: HP DJ T795

    According to my colleague, the plotter works flawlessly. When asked again about the cause, he did not answer. I can only speculate whether an error was actually displayed after changing the printhead. Thank you very much for your help!

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