HP 49.XX.YY error code
Firmware or communication fault
HP error 49 (49.XX.YY) usually indicates a runtime fault in the device firmware, most often triggered by a particular print job or network communication. In most cases, it disappears after restarting.
What does this error mean?
A damaged or unusual print job, such as a faulty PDF, is a typical trigger for error 49; incoming network traffic is a less common cause. If it returns regularly, focus on updating the firmware and identifying the job that triggers it.
What can you safely try?
- 01Switch the printer off at the main power switch, wait a few minutes, then switch it back on. Some temporary faults clear this way.
- 02If the error appeared after a particular print job, clear the print queue on the computer before trying again.
- 03For a test, unplug the network cable: if the error does not appear, the trigger is coming from the network.
- 04If you can, update the device firmware from HP’s website.
When should you call a technician?
If the fault still returns regularly after a firmware update, call a technician: a memory or mainboard fault may be responsible.
Do you rent out or manage printers?
If you manage the printer at a customer’s site, you can record the fault on site in PrinterMS using QR issue reporting, and any parts used are automatically added to its service history. See printer fleet management.
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