asked Jun 5, 2005 at 11:07pm
Hp HP LaserJet 5MP

HP 5mp jam light on

When turned on the printer goes through the light changing sequence for a short time then (before any motors kick in) the jam light comes on.If I press both buttons together and release
the warming up light flashes 3 times then the jam light comes back on?
Actualy the warming up light flashes 8 or 9 times before the jam light comes back on
by perthblue on Jun 6, 2005 at 7:15pm Add comment
How about responding to the suggestion you were given on your duplicate post below:

by dmzcompute on Jun 6, 2005 at 7:29pm Add comment
Sorry..I didn`t know there was a reply there...I have lifted that plate and yes the sensor arm was stuck.I freed it and repowered .Now the motors kick in and the printer comes ready.However when attempting the test page the pick up roller doesn`t even turn,so of course no paper is picked up.
by perthblue on Jun 6, 2005 at 7:57pm Add comment
You must have more than one issue. Did you try to feed the paper from the manual tray in front or just from the paper tray. The reason I ask is there is a sensor flag which closes a sensor for the manual tray. If that flag is missing or jamed in the up position the printer will always attempt to take paper from tray 1 (manual tray) even if the tray is closed against the printer. The way the printer works is when paper is put in the manual tray the sensor flag is pushed forward and lays on top of the paper so it knows paper is in the tray. Make sure that flag is there and even if missing put paper on the manual feeder and see if it prints.
by dmzcompute on Jun 6, 2005 at 8:15pm Add comment
Hello again
Thanks for your reply
I did try and print from the manual tray..that didn`t feed either?There is no noise and as far as I can tell the pick up rollers do not even attempt to turn
by perthblue on Jun 6, 2005 at 8:19pm Add comment
You say the motor turns. When you do the test print and I assume from the printer by pushing the button what happens? Does it eventually time out and the jam light comes on or does all three lights come on or what? In other words give us the sequence of events from the time you power on the printer for the ready light to come on to the pushing of the button for the test page until you get an error light message or whatever.
by dmzcompute on Jun 6, 2005 at 8:24pm Add comment
I power on ..printer comes ready.
I push and release blue button..bottom light flashes and the next light above(it has an arrow on a sheet of paper on it)becomes solid.The printer continues to make motor sound for a few seconds then times out and top three lights go solid red
(the arrow light stays solid too)
If I repower the printer comes ready again
by perthblue on Jun 6, 2005 at 8:35pm Add comment
Now we are getting someplace. The all lights on is a fatal error. Now when all the lights come on press both of the button on top at the same time and most likely the light pattern will change. Report back which lights are on when you press both buttons and are they solid or blinking.
by dmzcompute on Jun 6, 2005 at 9:06pm Add comment
This is somewhat like pulling teeth. I guess the other lights didn't mean enough to you to tell us about them. Now that you told us the real problem, push both buttons when you get the lights. This will tell us what your real problem is. Tell us exactly what lights are on and we can diagnose the problem.
by moe on Jun 6, 2005 at 9:08pm Add comment
After following the above instructions The paper jam light is other lights are on at this stage
by perthblue on Jun 6, 2005 at 9:10pm Add comment
That indicates a fuser malfunction. The only way to repair is to replace the fuser.
by dmzcompute on Jun 6, 2005 at 9:37pm Add comment
Thanks for your assistance..
Is it strange that the printer becomes ready in the first place?
by perthblue on Jun 6, 2005 at 9:39pm Add comment
No it is not strange. You just have to know how the printer works. When you first turn it on it just initializes and does some error checking but not much. The fuser only turns but is not heated. Only when a print job is sent is the fuser's cereamic heater turned on and when the main board receives a signal that the correct temp has been reached is the print cycle started to send the paper on its way. It is at this time that your fuser does not reach the correct temp and the fatal error is signaled.
by dmzcompute on Jun 6, 2005 at 9:55pm Add comment