Thats the fuser taken care of, the power supply can have a capacitor that failing or gone hard since it has liquid inside there, you can go to any electronics store Using an ohmmeter, measure the resistance between pins 3 and 4, counting from the one closest to you. You may want to unplug the display/panel, although that is not absolutely necessary. I may be contacted via the Sci.Electronics.Repair FAQ (www.repairfaq.org) Email Links Page. <
Of course, the usual caveats apply: You do things on your own risk, and if you hurt yourself, your printer or both in the process, I assume no responsibility. there's plenty more out there that aren't on my list..... Even rarer, the DC controller is defective. "H. by moe on May 12, 2005 at 9:34am Add comment Please sign in to comment 0 I have changed the fuser and now the power supply and I still get 50 http://www.fixyourownprinter.com/posts/21552
Fortune Cookie says: Fortune not Found: Abort, Retry, Ignore? First: the clicking sound comes from a mechanical relay in the PSU, which controls, together with an SCR solid-state relay, the sequence in which power is applied to the heating lamp As soon I swapped out the correct part and fired it up, the error message disappeared and I was back in business. To start viewing messages, select the forum that you want to visit from the selection below.
Push the fuser completely into the printer. The thermal fuse and thermistor are also possible causes of a 50 Service error. Component parts are not readily available and fuser repair can become involved. 79 Service Error Hp Laserjet Pro 400 Mfp M425dn Several functions may not work.
I don't understand all of the terminology there, so I've just been pulling parts from other working printers. 79 Service Error Hp Laserjet Pro 500 Most newer models have solid state thin film heating elements rather than the halogen lamps in older machines. If so, could someone send me the link? HP LaserJet Error Codes 50-59 Message on printer displayWhat it meansWhat to do 50.X FUSER ERROR A fuser error has occurred. 1.
Next the ozone filter cover must be removed. http://www.bleepingcomputer.com/forums/t/483223/hp-laserjet-5n-fuser-error-message/ It should be quite high, about a M ohm. Hp Laserjet Printer Service Center Step five: Reseat the fuser Turn the printer off. 79 Service Error Hp Laserjet To this day, if you tell HP you own one of these printers, they will offer to buy it back from you (to take it off the streets).
by unknown on Aug 12, 2004 at 11:46am Add comment Please sign in to comment 0 A 50 SERVICE indicates a problem with the fuser. get redirected here In my case, I found only 30 Ohms, and this was the source of the problem. HP IIP/IIP+/IIIP most likely cause is burned out quartz lamp. This behaviour is typical for a capacitor which has lost part of its capacity. 79 Service Error Hp Laserjet 1536
The product was delivered just a few minutes ago. You probably have a bad thermistor in the fuser assembly, or the signal path from the thermistor to the control board is corrupted. The reading on the left prongs was 245, however I couldn't get a reading from the prongs on the right. navigate to this website Sign Up Login Add Question unknown asked Aug 12, 2004 at 11:06am 0 HP LaserJet 4 HP Laserjet 4 50 service error I am getting a "50 service" eror message on
The confusion was that there are two different power supplies in the unit, and I didn't know this. If there is not continuity between the fuser connectors neutral and hot with the fuser removed, replace the fuser. If the error persists, it could be due to a faulty thermistor, fuser heating element, or loose or open connection to the fuser. 49.4c06 Service Error Hp Laserjet I have seen working LJ4's at the surplus places for $20.
The unsoldering/soldering part really took most of the time of the operation. If you are are getting a "50 fuser error" and have tried everything else, replace the low-voltage power supply. I also visually inspected R102 and R103, but could not find anything suspicious. my review here Plug the printer into a wall outlet and see if this resolves the problem. 3.
Now I still get the "50 Service" error code again.