The ADF unit on our 6180MFP will not load paper unless you apply pressure to the top of it. We have replaced the ADF Feed Roller kit, but that made no difference. I belive there is a small "latch" that may apply force of some type to help feed the paper into the ADF that may be worn down. I also believe this small part can't be replace and I need to replace the ADF unit as a whole. Does anyone know what the part number may be to replace the ADF unit? It is out of warranty, so I need to purchase a good ADF from somewhere.