C9300/C9500 Maintenance • 361CHANGING THE TRANSFER BELTWhen the transfer belt reaches the end of its life, CHANGE BELT UNITis displayed in the control panel. The transfer belt life isapproximately 80,000 sheets, letter long edge feed. However, thisassumes a standard print job of three sheets. If single sheets areprinted, transfer belt life is reduced.1. Switch off the printer and open the top cover.2. Remove all four image drums/toner cartridges from the printerand place them on a flat surface (to prevent damage to the shinygreen drum surface), then cover them to protect them from lightwhile you are replacing the transfer belt.