Edimax Technology EDIMAX FAST ETHERNET MFP SERVER VERSION: 2.0 - Manual (Page 115)

109
6. When I use LPR, IPP or RAW printing, the printing jobs are not able to
print to the MFP or printer.
Check if the MFP is “Idle” but not being connected. When MFP server
is connected by other user, the printing jobs are been queuing in the
Windows spooler.
Disable “Bi-Directional Support”. Please follow the steps below.
1. Right click the printer from “Printer and Faxes” in the Windows.
2. Select “Properties” and select “Ports”.
3. Uncheck the “Enable bidirectional support “.
Check if the MFP you are using is in the “Compatibility List” in Appendix
or contact your dealer.