![]() ![]() Granted, manual duplex works in Windows just fine, so this is primarily an academic exercise. In addition to the default Windows driver, I also modified the Dell "Open Print" driver that's supposed to be widely compatible with all of Dell's Laser/LED printers with embedded print servers, same result. I also tried lp sides=two-sided-long-edge, same result. However, when a duplex job is sent to the printer from Linux, it comes out as one-sided, without the printer display prompting the user to put pages back into the tray. ![]() As expected, duplex options were now available when configuring a print job. ppd file and make it compatible with cups under Linux Mint (see attached file). Just for giggles I used dos2unix to edit the Windows. ppd file for E525w does not have the lines for setting duplex options, and thus by default the only duplex option available when printing under Linux is one-sided. #Dell color multifunction printer e525w printing just stack how toppd file in the Windows driver has the expected lines about configuring a print job for duplex printing, so one would expect that the printer firmware "knows" how to handle duplex jobs despite lacking a duplexer. This suggests that the manual duplex feature is baked into the printer's firmware, as it doesn't require the user to do anything on the client computer after the initial job is sent. To elucidate, when printing under Windows with provided drivers the user can set duplex options normally ( one-sided, long-edge, short-edge), and then the printer's lcd display prompts the user to manually put the pages back into the paper tray after half the job is complete (and press the Okay button to finish the job). ppd file that hasn't been updated since 2015, and that doesn't support the manual duplex mode that is apparently hard-coded into the printer's firmware. Dell's Linux support for this printer is limited to a. ![]()
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