Canon C75 - Manual (Page 144)

12-4 Maintenance Chapter 12
4 Use a clean, soft, dry, lint-free cloth to remove
any ink or paper debris from the unit’s interior
(shaded area), especially around the platen.
• Be careful not to touch the BJ cartridge or its
holder.
5 Check the small black rollers. If they are dirty,
clean them with a soft, dry toothbrush.
6 When you are finished, close the printer
cover.
7 Close the document tray (MultiPASS models
only).
8 Reconnect the power cord.