AirPrint: Some Printers Are Not Visible on Apple iOS Device

How to Make All Your Printers Visible on iOS Devices with AirPrint & EveryonePrint

Several devices are defined in EveryonePrint, and only some of them are visible with AirPrint on iOS devices.

Issue:

Printer description in EveryonePrint -> Devices are containing "." (dot), preventing proper AirPrint announcement.
AirPrint-Some-printers-are-not-visible-on-Apple-iOS-device

Resolution:

Remove the "." in the description and restart EveryonePrint Mobile Gateway service.