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HP printer 8715 office jetpro, internal power supply is shot How do I replace it?

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  • HP Master
  • 228 Answers

This video shows how to replace the power supply. Starts at minute 2:45.

Posted on Feb 01, 2019

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: i need advice on how

looking at your printer and camera, there is no way for you to directly connect the camera to the printer. instead you need to print your pictures from your computer.

Posted on Sep 05, 2008

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SOURCE: Lost Power Supply

http://search.lexmark.com/searchresults.shtml?query=parts&isoctry=US&isolang=en

Posted on Jan 07, 2009

gargravarr
  • 4 Answers

SOURCE: defect internal power supply DSO-142L from HP KVM. Replacement ??

From what I have seen of these the most common problems are due to failing output caps for the +5v rail and -5v rails, causing ripple voltage the tops of these have a tendancy to bulge with the lack of cooling.
Replacing the 2 caps 1 x 2200uf 10v (105degree) and 1x 47uf 10v (105degrees) should solve the problem.

Mark

Posted on Sep 21, 2011

honeyku36
  • 69 Answers

SOURCE: print to fax HP office jetpro L7590 does not work

Give a call to HP Support for HP Jet Pro (877-690-9305) Support For Hp Printer Call Toll Free 877 690 9305

Posted on Feb 02, 2018

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1 Answer

Hp 5610xi all in one printer will not turn on


epending on the printer model, the power supply might include a power module inside the printer (internal), a power module that is separate from the printer (external), or a rechargeable battery if you have a mobile printer. For steps to resolve the issue, choose your printer power supply type. https://www.instantprintersupport.com/hp-printer-support

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Basic things to try: -you could start by clicking on devices and printers button on MS start sphere - click on your installed printer right click on "see whats printing and see if any documents are queued in printer - cancel them if there are.


have you checked your ink levels - have you checked ink cartridges are okay (genuine) cartridges if you have just changed them. Is there plastic strips on ink cartridges if new?

have you checked all connections to make sure all peripherals are connected okay.

Have you tried restarting your computer. Have you checked nothing is jammed either in paper tray or inside printer. Is there an error message on the printer console?

sorry this is not a complete solution but you might try these things first.......

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Low voltage power supply has a problem.
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No power after power on and off. No power light indication. What could the problem be?


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I can't believe that someone is still using one of the first LaserJet printers I got certified on!!! If you really want to gut the machine, there is a fuse in the power supply that could have blown. It is also possible that the power supply has finally died on its own after all of these years. You may just want to check the output voltages first to make sure of the status. If some voltages are present and not others, the fuse is still good, but the output circuitry is shot, in which case you would need to get a replacement power supply (if they are even available anymore).

Be careful with the disassembly process. The plastic clips may be brittle after almost 2 decades and could easily snap apart.

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Print to fax HP office jetpro L7590 does not work


Sounds like you need the fax driver for the jetpro L7590 . I went to http://www.hp.com, Selected "Downloads", "Drivers" and enterd "jetpro L7590" into the search. The next screen was a selection of OSs for Windows and one for Mac OS X and Linux. I hope the Mac one is what you need. If it is, download and install it.

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HP Color LaserJet 4500 Printer


Here is your problem. Hope that this helps you.

54.1 PRINTER ERROR
Description:
Indicates that an internal power failure has
occurred.
Action:
1. Turn the printer off, and then turn the printer
back on.
2. Replace the high-voltage power supply.
3. Check the fuser to ensure jams have not
occurred.
Caution When clearing jams, the
thermistor can be damaged
causing this error.
4. Make sure there is not a fluctuation in the
power supply to the printer. Check that the
electrical specifications (see Chapter 1) are
met.
5. Replace the low-voltage power supply.

Apr 02, 2009 | HP Color LaserJet 4500 Printer

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