P4015 stuck in "checking paper path"

by Community Manager on ‎09-19-2011 09:53 AM

Question

Upgraded the printer to the most recent firmware from the website. After running the firmware upgrade the printer came up with this "checking paper path" message. I left it sit for the better part of the day thinking it had something to do with the firmware needing to finish. I came back later to see it still there. I checked the printer for any jams and there are none. I power cycled the printer and it still comes up. So did the firmware fry the printer? Is there anything I can do to resolve this issue and clear the error?

I have an identical unit right next to it and it took the firmware just fine.

Any help would be GREATLY appreciated.

Answer


Perform the following procedure to upgrade the firmware:

Remove the additionally installed tray from the printer.

Then perform an upgrade.

After you have sent the file to the printer, you have to wait at least 30 minutes until the update is completed. (The maximum time experienced was nearly 45 minutes.)

The printer will display if the RFU is finished.

After that, you have to power off the printer manually and restart the printer but without the trays.

After the printer reboot, you will see READY displayed.

Power off the printer again, and add paper trays and power on again.

Now you have the latest firmware file installed and the printer will not display a Clearing paper path error.

If after the firmware upgrade, the message appears again on the printer control panel, we have to remove all the additional accessories installed on the printer and then install them one by one and power cycle the printer. The printer will come to ready mode after all the additional accessories are removed from the printer. After re-installing the accessories (one at a time) and rebooting the printer, we have to check with which accessory the message Clearing paper path occurs and we have to replace that accessory. With the other accessories the printer will come to ready mode.

Comments
by muckman on ‎10-23-2012 09:43 AM

You can also send the board to Laser Xperts as they can repair it. Or sell them the old cores.

by Jim_Lewis on ‎01-23-2014 06:33 AM

My P4015 takes up to 2 min to print a Configuration page after I push OK. It is running the whole time with as many as 13 restarts - where motor stops for a split second and restarts. Then the pages are blank. I looked at all the firmware changes but saw nothing that seemed to apply. If it's a formatter board I need, I can do that. But is that the problem? Anybody have an idea?

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