Where can I purchase a power supply cord for a hp deskjet 656

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There are three different colour of lights. All explained here.

blinking information red light - HP Support Community

hp.com https://h30434.www3.hp.com > td-p
Jun 29, 2020 - 1) Take out the cartridges. 2) Unplug the power cord from the printer & wall. 3) Wait for 30 seconds. 4) Plug the power cord back into ...
Missing: 890c ‎' Must include: 890c

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  HP Deskjet Printers - Blinking Lights ' HP® Customer Support

  https://support.hp.com > ca-en > document
  Follow these steps to reset the power module. Disconnect the power cord from the rear of the printer. Unplug the power cord from the electrical outlet. Unplug ...
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  Blinking Lights on the HP Deskjet 900 Printer Series

  https://support.hp.com > us-en > document > bud09170
  These lights can be on, off, or blinking (flashing), depending on the status of the product. Blinking lights can indicate error conditions.

hp officejet pro l7650 to repair the power supply
http://www.partshere.com/models/hpprinters.asp?printer=C8197A
HP Officejet Pro L7650 All in One Printer Troubleshooting
http://www.sparepartswarehouse.com/HP,OfficeJet-Pro,L7650,C8197A,Printer,Power-Supply.aspx

What does it say on the "brick" on the cord? Look for power specs on the cord transformer.

If you just need a replacement power cord then you should be able to use any similar 'kettle' plug computer power lead from a system unit, monitor etc.If you actually need a replacement power supply including the power transformer block which converts the mains voltage to the DC voltages required by the printer, then you will need to look at on-line companies who provide such parts.See http://www.aliexpress.com/store/100504/202932004-359117582/Original-AC-Power-Adapter-Charger-for-HP-Deskjet-F380-All-in-One-printer-00086.html for one such company which also shows the power lead socket.

Check that the corded power supply is plugged into a live receptacle. Verify by using a lamp with a light bulb to see that it lights before plugging power cord into the wall.

Check that the connection at the printer is ok.

Push the power button, and if nothing happens, you might have a bad transformer either on the cord or in the printer itself, depending on the design.

One can double check by getting a spare power supply transformer or cord and trying it.

Or else, a multimeter should show the voltage printed on the power supply or printer. Check that the voltage is within specifications when plugged into the wall whether it is AC or DC voltage.

Is there power coming out from the supply end
Is is a DC or and AC output supply?
If is it an AC output supply tyhebm in the back of the HP had an AC to DC converted that is realy a diode bridge and should contain a fuse in the circuit somewhere on that board

Hi have you tried ebay ? search,--- low voltage power supplies, check out advertising at bottom of pages.

Try to unplug then plug in the power cords if not working im sure your current supply will be lost. due to the current supply in your area or lost connection of your power supply.

Dear sir, we misplaced the CD of printer model No. Hp Deskjet D1360 . so please help us to make a CD. thank you.

Hey daddy'o,

Try plugging it directly into the wall, instead of a surge protector. Still not coming on? You can purchase a power cord and adapter from hp.com or call hp support @ 1 800 474 6836.