HP C3967A 60000pages Black,Cyan,Magenta,Yellow printer drum

HP Color LaserJet 5, 5M Printer Family This document lists the schedule for replacing maintenance units on the HP Color LaserJet and Color LaserJet 5/5M printers. The printer prompts you when it is time to replace each unit. The following table lists the approximate time intervals for replacing maintenance units and the printer messages that prompt you to replace them.
The time period listed assumes you are printing 2000 pages per month. If your print quantities differ, adjust the time period accordingly. Part numbers for each unit are also included in this document. For proper printer operation, use only Hewlett-Packard maintenance units.