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printing - Printer Job Language -- gt; PDF - Super User The @PJL lines indicate a Print Job Language header that was inserted before the actual print job PJL is used to control print job options (such as duplexing, paper tray selection, stapling, punching, folding the output) It was invented by HP The print job's format could be anything -- lots of printer vendors support and use it for their own (proprietary) printer language The interesting
printer - Converting PJL PCL to pdf - Super User PJL commands are used to change printer settings (as you can see by reading the PJL) They do not print any data The actual print file is on the first (and fifth) line: censored-filename} PDF
How to send a file directly to a printer in Windows 10 Given the following: A computer running Windows-10 fully updated A Wireless printer that has the associated printer software installed, printer port assigned, etc A raw printer file that I was a
printing - Decode HP T250 printer firmware - Super User The firmware update It is compressed in ful2 format and it looks like it contains PJL after some identification code That identification code consists in basic stuff, like, the compatible printers with the update and it's version, also a lot of other non relevant stuff See the code below: ESC%-12345X@PJL @PJL COMMENT MODEL=HP DesignJet T250
Why do I have PJL encapsulated PostScript document text files? PJL is used for things like telling which Page Description Language is used for the job (PostScript in this case, but the same printer probably also understands PCL5 6), which output tray to use, whether to duplex, staple, etc And yes, the file is completely harmless If you want to see what's in it, just send it to a PostScript printer
HP USB P2015 printers create new virtual USB ports in Windows . . . Because Windows 7 creates a new virtual device for every device based on its serialnumber, I decided to try to fake Windows into picking different physical devices as the same one, by changing the serial number the printer passes on to Windows, so for Windows there's no different device being plugged in and it maps it on the same virtual port I had a look at PJL (Printer Job Language); found
printer - What Format is this File (starting with !R! SEM 9;EXIT . . . !R!SEM6;EXIT; is a command used by kyocera printers and copiers (which probably was the printerdriver used to generate this file) !R! stands for the recognation code for prescribe commands SEM stands for Set Emulation Mode this command temporary changes the emulation mode The 6 means HPIII emulation EXIT ends the execution The following lines with @PJL indicate a "Print Job Language header