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rekordbox
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Hp Color Laser Jet Pro MFP M479

Hp Color Laser Jet Pro MFP M479fdw
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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

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Hp Color Laser Jet Pro MFP M479

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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rekordbox
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Hp Color Laser Jet Pro MFP M479

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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