1. Fix HP OfficeJet J5780 Close Cartridge Access Door Error HP Chat

2. Close cartridge access door error message continuously displays even after the fully closing of door. • No audible click sound of the switch when the door seats flush. • In the mid-chassis opening there is no visible metal lever. symptoms of a damaged door sensor HP Live Chat

3. When the printer is still power on, open the cartridge access door and look for any foreign debris. • If you found any trash, simply remove the material as it might be obstructing the seating of access door. • Now, close the access door. • If the issue still persists, then move to the next step. First Step to fix the problem HP Printer Assistant

4. Once again open the cartridge access door. • Now, this time slowly close the access door while listening for an audible click of the switch. • If the problem is resolved, then you don’t need to follow the rest of the instructions. • But, if the issue still persists or there is no audible click, then follow the next step. Second Step HP Support Assistant

5. Open the cartridge access door and look into the opening of mid-chassis to see if the metal lever is there or not. • If metal lever is missing, then it can’t properly trigger switch. Thus, your sensor is faulty and you need to replace it. For More Details Third Step Visit Us www.hpprintersupportpro.us Call Us +1-888-902-8333