This function is available for SP 4510DN only.
If [Tray Setting Priority] for the bypass tray is set to [Any Size/Type] or [Any Custom Size/Type] in [Machine Modes] under [Print Settings], a warning message will appear whenever the paper fed from the source tray does not match the size specified in the print job.
When this warning message appears, check the size of the loaded paper and do the following:
Load paper of the size/type indicated in the message onto the bypass tray.
Press [Continue].
Printing resumes from the page in which the error occurred.
For details about [Any Size/Type] or [Any Custom Size/Type], see Print Settings.