Hp laserjet p4015x problem updating firmware
If not resolved, check the paper sensor or clean the opto-sensor.
HP Error Code:12 - Open or No EPExplanation: If you printer does have toner cartridges installed correctly, this means either a cover is open or you may have defective cooling fans or PS5 sensors.
If the problem persists you may have a hardware failure.
HP Error Code:14 - No EP Cartridge Explanation: Your printer either doesn't have a toner cartridge installed or doesn't recognise one that is.
What to do: Check the all toners are installed correctly and that all covers are closed properly.
If the problem persists you may have a hardware problem.
Modern HP printers will indicate where the jam has occurred.
If using thick paper, check the HP paper guide for your printer.
Continuable and non-continuable error codes Some error codes are continual, which means that it is possible to press the Enter key on the front panel and to continue working with the printer. 1.800.836.9287 Hewlett Packard we service fast and provide the perform printer maintenance service for long lasting printer repairs.Many, such as 11 – Paper Out, may seem fairly self-explanatory but could actually be the result of something else.Here’s our quick guide to the most common HP printer error codes, what the error codes mean and how to fix them.However it may mean that the remaining printer toner isn't distributed evenly.What to do: Try removing the toner cartridge and gently shaking it to evenly distribute the remaining toner. HP Error Code:20 - Memory Overflow Explanation: Your print job exceeds the current memory capacity of the printer.
What to do: First of all try resetting the printer by turning it on and off.