Canon imageCLASS MF753Cdw Multifunction Wireless Color Laser Printer - Manual (Page 53)

One-touch Operation of Useful Functions
Use the Application Library to quickly execute an operation (such as "Print
regular document" or "View consumables information") with a single touch of
a button.
To use this function, you must click [Application Library] on the Portal Page of
Remote UI, and configure the application. Portal Page of Remote
UI(P. 441)
For more information, see the User's Guide of the Application Library.
Application Library
Through the toner replenishment service, new toner cartridges are
automatically delivered to you before your existing toner cartridge is used up.
* Use of the toner replenishment service requires prior registration with
select retailers. This service is only available in certain countries.
About the Machine
43