Certificate Error appears on the iOS devices whilst using a internally signed Local CA - c06234317
Error that would typically occur when using an internally signed SSL certificate that has not been trusted on the mobile device.
To resolve this issue, please review support article on the Apple website here: https://support.apple.com/en-gb/HT204477 .
Ensure that the certificate is trusted on the iOS device by viewing Settings > General > About > Certificate Trust Settings.
Applies to PrinterOn Enterprise 4.x and later.