User guide

Maintenance
170 WorkCentre 7500 Series Multifunction Printer
User Guide
6. Hold the left side of the new waste toner container and slide it into the printer until it clicks.
7. Clean the printhead lenses. For details, see Cleaning the Printhead Lenses on page 162.
8. Close the front cover.
Replacing the Drum Cartridges
A message appears on the control panel when a drum cartridge must be replaced.
CAUTION: Do not expose the drum cartridge to direct sunlight or strong indoor fluorescent lighting.
Do not touch or scratch the surface of the drum.
CAUTION: Do not perform this procedure when the printer is copying or printing.
1. Open the front cover of the printer.