======================================================================== FixCtrlD.ps -- GCC work-around for Control-D issues ======================================================================== Summary ------- The included file, FIXCTRLD.PS, may be used to avoid some problems with PostScript print jobs that contain the Control-D character, but are sent over the network. Download the file to the printer using any interface; you only need to do it once after each time the printer is restarted. Details ------- Under certain circumstances, you may experience problems with PostScript print jobs that contain the Control-D character (sometimes referred to as Ctrl-D or CTRL+D). These problems typically occur when a job was generated by an application that assumes that it will be sent using the serial or parallel ports, but the job is actually sent using a network port. This is because Control-D has a special meaning for the serial and parallel ports; they require a Control-D at the end of each PostScript job, and when they receive it, they notify the PostScript interpreter that the job has ended. On the other hand, network ports assign no special meaning to the character. Unlike the serial and parallel ports, they simply pass the Control-D itself to the interpreter. However, the character is undefined in PostScript, so an error occurs. In Windows 95 and Windows NT 4.0 (or later), this problem can be avoided in most cases by setting the PostScript driver to not send Control-D. -- In Windows 95, go to the printer Properties dialog box. Click on the "PostScript" tab. Then click on the "Advanced..." button near the bottom of the page. Now deselect the "Send CTRL+D before job" and "Send CTRL+D after job" checkboxes. Click OK, and then click OK again in the Properties dialog box. (To change the settings back for the serial or parallel ports, select "Send CTRL+D after job".) -- In Windows NT 4.0, double-click the printer icon. From the "Printers" menu, select "Document Defaults...". Click on the "Advanced" tab. Scroll down the options tree until you see "PostScript Options", and double-click it to expand it. Then click on the "Generate Job Control Code" option. In the lower portion of the page, click on the "No" radio button. Now do the same for the "Send CTRL-D Before Each Job" and "Send CTRL-D After Each Job" options. Click OK, and then close the printer window. (To change the settings back for the serial or parallel ports, select "Yes" for "Generate Job Control Code" and "Send CTRL-D After Each Job".) While the above will work for most applications, a few may insert the Control-D on their own. Also, sometimes a job was printed to a file by one user with Control-D turned on, and that file is later given to another user who prefers to send it over the network. And, of course, many people use other operating systems. The enclosed file, FIXCTRLD.PS, is designed to work around the problem by defining Control-D for PostScript in such a way that it should be safely ignored. It should not adversely affect other jobs, including jobs that contain binary data. Download the file to the printer using any interface. For example, if you are using a parallel port, or NetWare with printer port redirection, you may use a command similar to the following from a DOS-style command prompt: copy /b fixctrld.ps lpt1 If you are using TCP/IP with LPR/LPD, use a command similar to: lpr -S 1.0.0.1 -P Elite fixctrld.ps (for Windows NT) or lpr -P Elite fixctrld.ps (for Berkeley-style Unix) Check with your system administrator for more details on downloading. Once the file is downloaded to the printer, it will remain active until the printer is restarted. If you're not sure whether it is active, just download it again. We hope this resolves any issues you have had regarding the Control-D character. If you have any remaining questions, please contact GCC Technical Support.Download Driver Pack
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