Xerox Phaser 3300MFP "Door Open" or "Fuser Door Open" Fix

If your Xerox 3300MFP Printer is displaying "Door Open" or "Fuser Door Open" even though both doors are closed you may need to replace the High Voltage Power Supply (part# - 105N02120)
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[@EclectikTronik]

I removed the HVPS board and tested the sense micoswitches and a few other components, and all OK. I fixed the 'door open' problem by replacing the capacitors on the secondary side of the main PSU. Worth checking this first but to anyone reading, I would not suggest that you do this if you have no electronics or soldering experience. There are high voltages in that area, even after power is off.

[@davidjudd221]

Awesome video. Thanks a million. Ordered the P.S. PCB and installed it, presto, that fixed the problem. Thanks again for one of the best instructional videos I've ever seen, period.

[@robertokeefe7405]

Would you have a similar instruction video for the Phaser 3330? I am having the same issue with this model but the high voltage power supply is located in a different area.

[@rizwanawan773]

Close the front door , please tell me how to solve this problem on phaser3635 MPF

[@jankodaj417]

Actually - it is not necessary to replace whole "High voltage Power Supply" board. In fact I have changed two opto-electronics parts and the printer works well (but it is necessary to highlight that disassemble and assemble of the printer is not very user friendly )

[@renatocalderonvega3703]

joder chavalio poder explicar en spanish

[@iteminc]

Hola Renato dime que no endiendes te lo puedo exlicar lo mejor que pueda.