In the occasion that the printer is indicating that the fuser kit needs to be replaced or requires a service, you will receive a message on your machine that is the best indicator of this.
Ricoh Printers
This message will display as Fusing Belt Needs Replacing
Please log a service call using the Log a Support Call button below
HP Printers
This message will display as Fuser Kit Very Low
Please log a service call using the Log a Support Call button below
Lexmark Printers
This message will display as Maintenance Kit Very Low
Please log a service call using the Log a Support Call button below