We have a model 502 SF. lights come on when

The output cover in the back of the Samsung is most likely in the up position. When it is then all output will come out the back of the sf-560. To stop this from happening just close the back output cover by pushing it back down and closing the back cover. Then your output will come out the top shoot.

papper senser liver replace

Sounds like a paper jam check out the paper path going through machine. somewhere in there is some paper jamming a switch the cartridge is the printer head that holds the ink uinstall cartridge then reinstall . Then trace back what made it do this what happened the last time it worked. If nothing else go through the reinstallation process like you are hooking it up for the first time and that way you check all your cords make sure the paper tray is right and reload the driver and see , It is something simple one or all those things I mentioned.

Make sure the power is correctly plugged in. If all are okay outside the unit, the problem lies inside the unit. If a line of black Squares blinks on the display, it is a capacitor that is blown. If nothing happens on the display, the fuse is blown. No user serviceable parts on the power supply unit. Professional technitian service required.

Error 502 means that the printer has stalled. Probably caused by the carrier getting stalled or a paper jam. Check of any paper jams or check inside the printer where the cartridges are. Make sure the cartridges are well-seated in the carrier. You can remove the cartridges and insert them back in. Check around the carrier for any foreign objects or any obstruction along its way.

When it has no paper then your all incoming fax documents save memory,Insert paper in cassette box and press start key or memory check button.

Unplug the printer, open the lid, make sure there is nothing jammed in the feeder. Then take the paper out of the feed tray, straighten it out again, and then re insert it into the paper tray and power up. I have the same printer and this has happened to me several times before. If that doesn't work, chat with HP tech support for this series printer @ http://h50203.www5.hp.com/hpisweb/customer/HPInstantsupport.aspx?&cc=us&lang=en

Hi, I posted the same problem. I unplugged the unit overnight, and now it works. don't know if this will help, but it works!!!! :D

Hi try changing the fuse in the plug first. Once you have done this then power in and open the cartridge cover and press the cartridge button. If the cartridge moves then the LCD has blown and will need replacing if nothing happens then unfortunately the power supply board has blown then replacing the whole machine is the cheapest option.

Thanks J