HP LaserJet 4 plus Printer "4l power" Questions

...4L and while there is power to the printer I have no lights and of course it does not work. replace the dc controller board (turn printer upside down and remove the bottom of printer ,thats the power ...

My LaserJet 4L just died. It worked one day, the next no power. needs a new power supply board (common problem with this printer) printerman007 at gmail.com

...4L When I power on my 4L, it sounds noisy, like a dry bushing or something. Hard to describe a noise. Did this occur suddenly or over a period of time it got worse?Did it happen after a jam or other ...

...my HP 4L Laser printer seems to be dead - no power. Can it be fixed? (I LOVE this machine!) The electric outlet works fine, so the problem lies within the printer. Blown power supply. Time to bury ...

...4L printer. I checked the power cord and the outlet and everything seems to be OK. I connected to different AC outlet and still no lights. Power cord is good. Is there a fuse in the printer? I read ...

...4L laser printer - no power indicators showing - HP 4L laser printer was showing faded areas in printed page. Before I could purchase a replacement toner cartridge, it failed to power up. No lights ...

Paper jam blinking My HP 4L was printing when the power went out. Now the amber paper jam light is blinking and there is no paper jam. Try and push the blue button after clearing the jam.

...4L did not power up when I turned everything back on after vacation. I tried a different outlet on the surge protector with same result. Is there maybe an internal fuse? yes. all dc controller have ...

...4L would control the power to the printer. Mine will not turn on. Has no lights showing. Will not do anything. Any help out there? Hi this machine has a power supply unit... may have fuses you can ...

power Ok this might sound bad... but i can't get my HP LJ 4l to switch on. the on/off botton has become dislodged. . I got the printer second hand a few weeks ago and was fine but all of a sudden one ...