Cleaning the printer - HP LaserJet 1320 Printer series
Amazon.com: Hewlett Packard Laserjet Pro M281fdw All-in-One Wireless Color Laser Printer, T6B82A with Power Strip Surge Protector + Electronics Basket Microfiber Cleaning Cloth : Office Products
I own an HP color laser jet pro MFP M477fnw. It keeps printing with these markings. I already tried cleaning spooler in back. As well as cleaning ink cartilages. Pls help! Need