Question about Brother HL 5250DN Laser Printer
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Posted on Jan 02, 2017
SOURCE: no power
Mine died about 5 days ago, About Feb 5 09.
Fix was very simple. it involved a drill, a soldering iron, and spare capacitors.
Open up the unit. Spot all bad capacitors. in my case, a 820uf 10v ELNA capacitor was to blame, it had exploded adn opened up. Desolder the bad capacitor, Replace it with a good one, like matsushita or rubycon or nichicon. Random brands like CAPXONS and ELNA and Fuhjyuus are known to die fast. in my case, it got swapped with a matsushita. then the unit powered up again.
I found it funny that panasonic did not use a single one of their own capacitors in teh making of the unit. i spotted lots of Nichicons, which are really good, then lots of ELNAs which are bad, one Capxon and some matsushitas.
Posted on Feb 10, 2009
You can try to power up with the printhead out, that sometimes causes it to not power up. Otherwise that machine is fried since you can't get a replacement logic pcb anymore.
Posted on Jul 30, 2009
did you try the pwr button on the console not just on the remote?
it might have still been fried, some electronics are sensitive- or it was in the middle of an update
Posted on Aug 06, 2009
Power Supply Board is dead.Replaced the power supply board will solved this problems.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.
Posted on Mar 19, 2010
Testimonial: "power supply board had a couple blown resistors. Thank you"
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