1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2 3<html> 4 <head> 5 <meta name="generator" content="HTML Tidy, see www.w3.org"> 6 <title>I get messages about bad control file format</title> 7 <meta name="GENERATOR" content= 8 "Modular DocBook HTML Stylesheet Version 1.7"> 9 <link rel="HOME" title=" LPRng Reference Manual" href= 10 "index.htm"> 11 <link rel="UP" title="The Most Frequently Asked Questions " 12 href="faq.htm"> 13 <link rel="PREVIOUS" title= 14 "Job disappears and is never printed, but lpr works" href= 15 "x10790.htm"> 16 <link rel="NEXT" title= 17 "What is RFC 1179, the Line Printer Daemon Protocol? " href= 18 "rfc1179.htm"> 19 </head> 20 21 <body class="SECT1" bgcolor="#FFFFFF" text="#000000" link= 22 "#0000FF" vlink="#840084" alink="#0000FF"> 23 <div class="NAVHEADER"> 24 <table summary="Header navigation table" width="100%" border= 25 "0" cellpadding="0" cellspacing="0"> 26 <tr> 27 <th colspan="3" align="center">LPRng Reference Manual: 5 28 Sep 2003 (For LPRng-3.8.22)</th> 29 </tr> 30 31 <tr> 32 <td width="10%" align="left" valign="bottom"><a href= 33 "x10790.htm" accesskey="P">Prev</a></td> 34 35 <td width="80%" align="center" valign="bottom">Chapter 36 20. The Most Frequently Asked Questions</td> 37 38 <td width="10%" align="right" valign="bottom"><a href= 39 "rfc1179.htm" accesskey="N">Next</a></td> 40 </tr> 41 </table> 42 <hr align="LEFT" width="100%"> 43 </div> 44 45 <div class="SECT1"> 46 <h1 class="SECT1"><a name="AEN10807">20.5. I get messages 47 about bad control file format</a></h1> 48 49 <p>RFC1179 describes a set of fields that MAY appear in the 50 control file. It is silent if other ones can appear as well. 51 Unfortunately, some implementations will reject jobs unless 52 they contain ONLY fields from a very small set. In addition, 53 RFC1179 is silent about the ORDER the fields can appear.</p> 54 55 <p><b class="APPLICATION">LPRng</b> quite happily will accept 56 jobs from poor or nonconforming RFC1179 spooler programs, and 57 fix them up to be conformant.</p> 58 59 <p>If you are sending jobs to one of a non-conforming 60 spooler, you can force <b class="APPLICATION">LPRng</b> to 61 send jobs with only the fields described in RFC1179 by 62 setting the the <var class="LITERAL">:bk:</var> (BacKwards 63 compatible) flag in the printcap for your printer.</p> 64 </div> 65 66 <div class="NAVFOOTER"> 67 <hr align="LEFT" width="100%"> 68 69 <table summary="Footer navigation table" width="100%" border= 70 "0" cellpadding="0" cellspacing="0"> 71 <tr> 72 <td width="33%" align="left" valign="top"><a href= 73 "x10790.htm" accesskey="P">Prev</a></td> 74 75 <td width="34%" align="center" valign="top"><a href= 76 "index.htm" accesskey="H">Home</a></td> 77 78 <td width="33%" align="right" valign="top"><a href= 79 "rfc1179.htm" accesskey="N">Next</a></td> 80 </tr> 81 82 <tr> 83 <td width="33%" align="left" valign="top">Job disappears 84 and is never printed, but lpr works</td> 85 86 <td width="34%" align="center" valign="top"><a href= 87 "faq.htm" accesskey="U">Up</a></td> 88 89 <td width="33%" align="right" valign="top">What is RFC 90 1179, the Line Printer Daemon Protocol?</td> 91 </tr> 92 </table> 93 </div> 94 </body> 95</html> 96 97