Hp Laserjet 4 50 Service Error
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The 50 error code means fuser temp problem, low temp, high temp, bad thermistor, or switch. There are 2 things you can do. 1. replace fuser 2. 50 reset procedure, turn hp laserjet 4 fuser machine off wait 10 minutes, should reset 50 code, if not, remove formatter board and short
Hp Laserjet 4 Fuser Kit
leads C202 on DC controller. replacing the fuser is a sure win! Hope that helps Brent - RRI by Rapid Refill Ink on Aug hp laserjet 4 fuser replacement 12, 2004 at 11:46am Add comment Please sign in to comment 0 From what I can see in the service manual, that would be a fuser error. Possibly a cooling fan or the fuser itself needs replacing. by unknown 50.0 fuser error on Aug 12, 2004 at 11:46am Add comment Please sign in to comment 0 A 50 SERVICE indicates a problem with the fuser. Start there first, is it getting hot? The snag is, is it the fuser that's faulty? or is it the power supply to the fuser? If you have a pal with a LJ 4, see if you can borrow the fuser to try it out. Trev by Trev Pearson on Aug 12, 2004 at 11:47am
50.0 Fuser Error Hp Laserjet P1102
Add comment Please sign in to comment 0 http://www.fixyourownprinter.com/kkm1.html by moe on Aug 12, 2004 at 4:12pm Add comment Please sign in to comment 0 I work on these fairly often the last 2 that had this problem both had failed power supplies. ray by unknown on Aug 12, 2004 at 6:28pm Add comment Please sign in to comment 0 Could also be a DC controller, but in most cases, the lamp is at fault. There is a link for checking the lamp continuity before ordering. by jon on Aug 12, 2004 at 8:50pm Add comment Please sign in to comment 0 My printer is also throwing the 50 service code. The printer was given to me, however the unit was missing the toner cartridge. Would the missing cartridge cause the printer to throw a code 50? by unknown on May 11, 2005 at 11:00pm Add comment Please sign in to comment 0 Missing cartridge has absolutely nothing to do with the fuser not reaching operating temperature. You'll still need one to print after you get rid of the 50 error. by moe on May 11, 2005 at 11:20pm Add comment Please sign in to comment That's what I was thinking, but wanted to be sure before I spent the money on the fuser. I tested the fuser based on this link http://www.fixyourownprinter.com/reference/guides/fuser/ex. The reading on the left prongs was 245, however I could
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50.0 Fuser Error Hp Laserjet P1007
response. I truly appreciate it. Also, can I get some instructions on putting in the rollers. I am new to this and do not want to screw this up. Any help here would be appreciated too. http://www.fixyourownprinter.com/posts/21552 Thank you and your firm again, you were terrific. John D. San Rafael, CA Great that you have that part in stock and thank you for your quick reply. I will have purchasing call in an order. Veronica Casto Houston, TX It is nice to place anonline order & get to talk to an actual person. Wayne Haub Kansas City HP Error 50 Service
A 50 service error indicates a problem http://www.all-laser.com/a50service/ with the fuser assembly, this is the part of the printer that fuses (melts) the toner into the media. It consists of a heated roller or film and a pressure roller along with drive gears and sensors. It is subject to mechanical wear and thermal degradation. Most newer models have solid state thin film heating elements rather than the halogen lamps in older machines. These heating elements are subject to failure from burned resistive heating paths and fractures of the ceramic substrate material. There are typically two sensing elements, a thermal fuse to prevent catastrophic overheating, and a thermistor to provide feedback to the heating circuit and indicate when to turn the heating current on or off. It is important that replacement fusers use proven and tested replacement materials. Our remanufactured fusers use first quality replacement parts and ISO 9000 standards in the remanufacturing process. 50 Service errors can also be related to the power supply or control circuits. In many machines the fuser is a maintenance item and the major component of a maintenance kit. You can Self maintain your printer and save. Support for our customers is always available via email and live chat. Select Your Printer Model Common To Most Newer HP Laserjet printers HP LJ 8150 50.1 Fuser Error HP LJ 4/4M