Easily replaced after removing the top cover and three wiring harness connectors. If the board becomes defective, you will receive an error 12. This board takes the input from the two sensors and provides info to the DC controller. Also caused by the density adjusting PCA located behind the density adjusting slide switch.
On the IIP/IIIP this can be caused by a defective toner cartridge, defective cooling fan, and PS4 or PS5 sensors. Paper path door (IIP/IIIP) or top cover open. Defective Paper Control Sensor PCB – These do fail and will need to be replaced.ġ. Also verify the configuration through the menus on the printer.Ĥ.
Occasionally the contact for the micro switch will get bent and will have to be replaced. You can depress these by hand and hear them click. Verify that the tabs aren’t damaged and that the tray switches located in the printer are not damaged. Defective Tray Size Sensing or Configuration – Most trays have tabs which depress a series of switches when installed. If it’s broken, you will need to replace the sensor flag.ģ. Most times this can simply be reinstalled. On the LJ4/4M/4+/4M+ the sensor flag can get knocked out of place when a paper jam occurs and the tray is pulled out abruptly.
Sensor Arm Stuck or Broken – Check for free movement of the sensor arm. Take a sharp tool, like a razor blade and scrape the buildup off these edges.Ģ. Paper Tray Empty or Not Seated Correctly – A buildup of toner on the edges of the tray which slide into the printer can sometimes cause problems.
Replace the memory chip cable/connector or the DC controller.Īlternates with for help press “?” – A new non-HP supply has been installed this message continues until you press the check button or install an HP supply itemġ. Remove and reinstall the supply, replace the supply.Ģ. Turn the printer off/on to attempt to clear or reset the message. There may be a problem with connection between the memory chip and DC controller. The chip may be missing or defective or contain incorrect information. The error 10 indicates a problem with the printer obtaining the information from this chip. The information contained on this chip is dependent on the printer model and the supply. Supplies used in newer printer models contain a memory chip. XX Description 00 memory error on the cartridge or 01 memory device not foundġ. This helps track page count and life of consumable. The printer is unable to read the electronic information (elabel) on the print cartridge. Error 10 – Supplies Memory Error 10.XX.YY (Exact format is dependent on printer model) Of course, Nations Printer Repair can be there the same day or the next day when you encounter the more difficult HP laser printer error codes. The more typical ones you could troubleshoot and maybe fix yourself. HP Laser Printer Error Codes Here are the typical (and some not so typical) error codes you will find coming up on your HP Laserjet.