If the HP LaserJet 9050n printer does not turn on, there are six things to check but more than likely, it will be one of two things: The Formatter or the Power Supply Unit.

00:00 – HP LaserJet 9050n will not power up.
00:30 – Channel Intro.
00:37 – Reset the power module and test the wall outlet.
00:44 – Test the printer Power button or switch.
00:51 – Test the power with another compatible power cord.
00:58 – Test the power without the USB cable.
01:05 – Service the printer.
01:08 – Left view of the printer.
01:13 – Unplug power and ethernet cable.
01:41 – Rosewill Tool Kit.
02:15 – Phillips Head Bit.
03:21 – Formatter.
06:37 – A torn piece of paper.
07:55 – Power Supply Unit.
10:10 – Bad printer storeroom.
11:30 – Replacement PSU from the bad printer.
12:36 – 4 black power supply screws.
13:35 – Status of the power button.
13:52 – Fan noises mean it is fixed.
14:00 – Formatter is not yet installed.
14:45 – Pending print jobs that came out.
15:20 – The printer is working successfully.

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Stephan Pringle

Chief Executive Officer at Sipylus

About The Author: Stephan Pringle is an Information Technology Specialist. He covers hardware and software and provides tips for you to troubleshoot and repair issues on your own. In his spare time, he writes articles about the State of New York on his Hackintosh and HackBook and that has helped him to become the top contributor of the New York City section of Yahoo! Answers.

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