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‎02-13-2020 04:59 AM

HP Recommended
Product: Hp Color Laser Jet Pro MFP M479fdw
Operating System: Other

I plugged in the wrong 220V and then I plugged in the 110V power so my printer didn't work. I don't know which part is burnt, someone who knows about this problem please help me.

Thank you

2 REPLIES 2

‎02-13-2020 07:33 AM

HP Recommended

The could be tricky as you may have damaged multiple components, depending on how quickly things were removed. At minimum the power supply either will have a blown fuse or will be destroyed. The other problem is that the fusing unit is wired direct so there is a possibility that it may have been burnt out as well. My service data sheets do not list a part number for the power supply on this model. If you are intent on self repair, I would check for blown fuses on the power supply first and go from there.

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‎02-13-2020 07:50 AM

HP Recommended

Thank you for the information. I plugged the printer into the 220v power supply when I heard a small sound. I immediately unplugged the power. After a while I plugged in and tried the 120v power again, but the printer did not work

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