Optimization of Consumables on Xerox Printers: WorkCentre 75XX, 78XX and VersaLink C70XX

Hello,
On Xerox printers: WorkCentre 75XX, WorkCentre 78XX and VersaLink C70XX, is there an option or possibility to optimize consumables such as:
Photoreceptors, waste toner box?
We are asking for your help.
Cordially.