MSM posted an answer for this HP Laserjet Enterprise M4555 Mfp Laserjet Laser Print Copy Scan 1:
"It a common HP error. It is a non spesific error. Usuly the printer having problems with..."
MSM posted an answer for this Kyocera FS-3040MFP Black Toner Cartridge 15000 Yield - Genuine OEM toner:
"it it inside the drum unit the part where toner plugs in to i believe.Best bet to get a..."
MSM posted an answer for this Ricoh Copier Toner for Aficio 2035, 2045 Type 3110D, Black: