<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>On Jan 14, 2011, at 8:40 AM, Jose Hales-Garcia wrote:</div><blockquote type="cite"><div>This is a beginner's question (again).<br><br>I have a CUPS server hosting IPP queues. I want to enforce duplexing from the server.<br><br>I've tried setting the default option for the IPP queues to two-sided printing (along the long edge) using the CUPS web interface, but the jobs sent by the clients are printed out simplex.<br><br>I'm able to enforce server-side duplexing using LPD. How can I do it with IPP?<br><br>The server is running on Mac OS X 10.6.6, if that makes a difference.<br></div></blockquote><br></div><div>How are the clients configured?</div><div><br></div><div>You may be able to use:</div><div><br></div><div> lpadmin -p printer -o sides-default=two-sided-long-edge</div><div><br></div><div>where "printer" is the name reported by "lpstat -p" (generally the name you see in the print dialog with "_" replacing all special chars and spaces).</div><br><div>________________________________________________________________________<br>Michael Sweet, Senior Printing System Engineer, PWG Chair<br><br><br><br><br></div><br></body></html>