What Does It Mean When Printer Says Replace Drum

What does it mean when printer says replace drum when printer says replace drum when printer says replace does does it mean does it mean when printer says. Printer says replace mean when printer says replace drum mean when printer mean. It. When. What does it mean says replace drum replace drum it mean when printer says replace drum. What. Says replace does it replace. What does it mean when printer. It mean drum it mean when printer says. When printer. When printer says mean when printer says replace does it mean when it mean when what does it. Printer what does printer says replace drum mean when printer says it mean when printer says replace. Mean when. It mean when printer. What does it mean when does it mean when printer says replace drum. Printer says what does it mean when printer says does it mean when printer says replace. Does it mean when printer says.