Cinnamon configuring the samsung ml-1660 printer as duplex printer

[Joachim Backes]

Hi all,

i'm trying to configure my samsung laser printer ml-1660
as an (usb) duplex printer, but tis will not succeed anymore.

I'm using the Cinnamon desktop.

Neither the Cinnamon system settings menu entry nor the 
system-config-printer (using obviously the splix pckg) command will 
achieve this.

All system upgrades are installed.

Each advice would be welcome.

Joachim Backes