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HP Office Jet 4500 dose not alway want to print

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    #1

    HP Office Jet 4500 dose not alway want to print

    Here is the story

    It start about 3 month ago some time you would have to wait a while when you want to print something this would happen off and on

    Then some time you could not find the printer it was not ready to print
    I would have to reload the software for the printer to work again

    The other day the power button would not turn the printer ON I had to unplug
    the power supply for the printer work again

    My wife is taking class on line and uses an I-pad and want to be able to print from it so we bought a new printer so she could do this

    I need a print at work and they will not buy one for me so I said let see what went wrong with this one

    I took the power supply apart and there was no name cap in there I have not
    seen before

    Power supply

    120 uf @ 400 volts did not replace
    330 uf @ 50 volts ESR value a little high 1.5 or so
    47 uf @ 50 volts ESR value a little high 2.3 or so


    Printer
    So I took a look inside the printer and I find 5 more caps
    So I took the printer apart and found Tepo brand cap and some more no name cap in there I have not seen before

    330 uf @ 50 volts a little high 1.4 or so
    330 uf @ 25 volt a little high 1.6 or so
    330 uf @ 25 volts a little high 1.3 or so
    1000 uf @ 10 volts a little high 1.4 or so
    10 uf @ 50 volts a little high 2.4 or so


    Put the printer back together and the power supply and power it up and went to print boy what a difference changing these caps made now this back to the way it was new

    I have two more printer that worse than this that I will recap as well now knowing this is what is causing this problem
    Last edited by sam_sam_sam; 10-20-2013, 01:24 PM.
    Tags: None
    #2
    Re: HP Office Jet 4500 dose not alway want to print

    Good save on the printer. It is a nice change of pace for me when I can repair something with only a recap so I enjoy it when it happens.

    Comment

      #3
      Re: HP Office Jet 4500 dose not alway want to print

      That's why I only touch Brother and Canon printers and stay far far away from HP... Canon has been going downhill lately though...
      "We have offered them (the Arabs) a sensible way for so many years. But no, they wanted to fight. Fine! We gave them technology, the latest, the kind even Vietnam didn't have. They had double superiority in tanks and aircraft, triple in artillery, and in air defense and anti-tank weapons they had absolute supremacy. And what? Once again they were beaten. Once again they scrammed [sic]. Once again they screamed for us to come save them. Sadat woke me up in the middle of the night twice over the phone, 'Save me!' He demanded to send Soviet troops, and immediately! No! We are not going to fight for them."

      -Leonid Brezhnev (On the Yom Kippur War)

      Comment

        #4
        Re: HP Office Jet 4500 dose not alway want to print

        I have Canon printer as well I had this for a while and it has the same problem

        Having to wait a while to print
        Printer not listed reload software

        Comment

          #5
          Re: HP Office Jet 4500 dose not alway want to print

          You'll not find substandard caps in most Canon printers... Only the very latest ones probably use cheap caps.
          "We have offered them (the Arabs) a sensible way for so many years. But no, they wanted to fight. Fine! We gave them technology, the latest, the kind even Vietnam didn't have. They had double superiority in tanks and aircraft, triple in artillery, and in air defense and anti-tank weapons they had absolute supremacy. And what? Once again they were beaten. Once again they scrammed [sic]. Once again they screamed for us to come save them. Sadat woke me up in the middle of the night twice over the phone, 'Save me!' He demanded to send Soviet troops, and immediately! No! We are not going to fight for them."

          -Leonid Brezhnev (On the Yom Kippur War)

          Comment

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