When LITEOn with Firmware V FVCN creates many Tray Closing Error then upgrade to FVTS that helps to make multiple retries and force Tray to open and close.
If error does not get resolved with Firmware V FVTS then replace PLDS, Part# 3003393.
Contact Rimage Technical Support.
support@rimage.com for USA and support@rimage.de for EMEA.