Phaser 860 screen says "paper jam - open front cover to clear"

Probably an actuator has fallen off or broken on one of the sensors

There is a solenoid on the transfix assembly that has a tendency to "stick" in the open position, causing paper jams at the exit. The Solenoid is located on the right side of the machine, at the top area in the middle. You can test it with your fingers to see if it sticks in the up position. If it is, simply clean the sticky residue off both metal surfaces with alcohol and it should return to normal operations.

Hi
Open and close the front cover.Turn the printer off and on.This automatically exits the paper from the printer.
You can also remove the stuck paper by gently pulling it out straight.
If there's no stuck paper,clear any print queues.
Disconnect the printer completely from power and then re-connect again.
Now try printing.

Hi

Thanks for using FixYa. Before you can clear the error message, you must locate where in the unit the paper is jammed.

Unplug the machine for safety. Now follow these instructions based on where the paper jam is located.

1. Pull the paper tray out of the machine.
2. Pull out the jammed paper.
3. Reset the machine by opening the Upper Jam Clear Cover and then closing it.

If you cannot remove the jammed paper from the front of the machine, or the error message still appears on the LCD after you have removed the jammed paper, please go to the next step.

4. Remove the Lower Jam Clear Cover from the back of the machine. Pull the jammed paper out of the machine.

5. Put the Lower Jam Clear Cover back on. Make sure the cover is set properly.

6. Open the Upper Jam Clear Cover. Make sure that there is no jammed paper left in the corners of the machine.
Note: If the paper is jammed under the print head, unplug the machine from the power source, then move the print head to take out the paper. 7. Close the Upper Jam Clear Cover.

8. Close the output paper tray cover and slide it forward, then push the paper tray firmly back into the machine. While holding the paper tray in place, pull out the paper support until it clicks and unfold the paper support flap.

Please do rate the solution and revert for further assistance.

Thanks
Rylee

I have a small piece of paper jammed in my Canon MX-860 that Cannot be seen from anywhere. Can you help me find so I can clear it

Here is the Xerox support page for your printer. It even has a movie on removing paper jams.
http://www.office.xerox.com/perl-bin/product.pl?page=sprt&product=8400&country=United%20States&language=en#_manuals_and_documentation_

The fuser exit sensor had an updated version for that model (old model has a "bounce" problem). Xerox gives a 1 year warranty..I would get them out to fix it pronto !

It is also helpful to have the error code. Press the i button while the printer has the jam message on the front panel. Use the fault code to locate where the jam actually is. (This will help the technician greatly ! )

Sounds like printhead needs replacement.
Moving these printers without cool down is known to destroy printheads and of course wax goes everywhere and then everything else fails.Think about replacement

I was same problem and I repaired. In to machine, look of preheat switch ( behind of black roller ). I found piece of paper under the switch. Good luck :)

There is a flag sensor on the registration assembly that is possibly broken.