Before ReplacingWhen an image drum nears the end of its lifetime, the "Image Drum Unit Near Life" message is displayed. Have a new image drumready.When the "Please install new Image Drum Unit." message is displayed and printing stops, replace the image drum.When using A4 paper (simplex printing), the estimated replacement cycle of an image drum is approximately 30,000 pages. Thisestimation assumes the standard use condition (three pages are printed at a time). Printing one page at a time reduces the drumlifetime approximately by half.The actual number of printed pages may be less than half the above estimation depending on the printing conditions.NoteThe actual number of pages you can print with the image drum depends on how you use the machine. It may be less than half theabove estimation depending on the printing conditions.Printing quality may deteriorate after 1 year following the unpacking of the toner cartridge. Replace the toner cartridge with a newone.825
