![]() ![]() ![]() Re-send the firmware upgrade file to the printer (it is important to wait until the upgrade has finished before going to the next step – this may take as long as 30-45 minutes). If someone has already upgraded their firmware with accessories attached (be sure to ask them about this if they call with a printer that hangs on power-up), they may be able to recover with the following procedure: Recovery steps for firmware upgrade issue. Once the upgrade is complete, power off and re-install the accessories. To avoid this problem, it is very important to remove all optional accessories (any feeders beyond tray 2, output sorters/stackers, duplexers, envelope feeders, etc.) before doing the upgrade. If you remove the optional feeder, it will work normally. In the most common case (printer with an optional tray 3 feeder attached), it will hang in the “Checking Printer” or “Clearing Paper Path” state. There appears to be some sort of bug in the firmware (or the firmware download/upgrade routine), so that if you upgrade the firmware with any accessories attached to the printer, it will no longer power up properly with those accessories attached. HP LaserJet P4014, P4015, P4515: Firmware Upgrade Issue Don't Upgrade Firmware with Optional Tray 3 Feeder Installed ![]()
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