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How to solve error 4900ff on hp 4015 printer - HP LaserJet P4015N Printer

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Thank you for contacting FixYa with your printer inquiry.

The LJ4015 Series printers are the latest upgrade of HP's most reliable LJ4000 series printer. . 49.xx errors are usually firmware, formatter, or sometimes print-job related.

The first step in troubleshooting this error is to isolate the printer from any computer source - disconnect from any I/O ports, Network/USB etc... Power cycle the printer. Does the error still report? If NO then an application may be causing the error, try to isolate the file causing the problem. Clear any pending print jobs. If YES then Firmware/Formatter most are the problem. The newest firmware is version 04.046.2A released in early September.

Critical Firmware Error.

Causes are invalid print commands, corrupt data, invalid operations or even a bad formatter.Power cycle the printer. Press STOP to clear the print job from memory.

Power cycle again. Try printing something from a different software program. If it works, print the job that failed before. If it still fails, repeat the power cycling again and then print something using the failing program but a different file. If it works the file that failed before is corrupt.

If it fails no matter what you print, your printer has a hardware problem and would suggest going to HP for warranty. Try updating the firmware.

Formatter issue. I would attempt a cold reset if that doesn't resolve it then you are going to have to replace the formatter.

How to cold reset a P4015

Turn the machine off (Remove the Jet Direct Card - Retains IP Address)

  1. Turn the Machine on.
  2. Press and Hold The OK button until the memory stops counting and all 3 lights are lit up.
  3. Arrow up to cold reset then hit OK to start the reset.

If the machine still comes back to the 49 error after the reset the formatter will need to be replaced. Formatter Part Number - CB438-67901 for HP LaserJet P4015x (HP CB511A)

Hope this helps. Please keep us updated and remember to rate this answer.


Posted on Jun 13, 2011


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Hope this helps. Please keep us updated and remember to rate this answer.

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