Sierra APPE Upgrades

For optimum throughput and performance of your Adobe PDF Print Engine and workflow, keep your Sierra system up-to-date!

Xitron is currently shipping Sierra version 6.5 with APPE version 3.6. If your system is 4.X or older, ask for an upgrade quote here.


For customers with a Xitron support agreement in place, upgrades are free. You can request an upgrade through Be sure to include your dongle number in the request.