On Fri, 2 Oct 2026 01:24:36 GMT, Reuben Roessler <[email protected]> wrote:
>> CUPS on Unix has a [hidden option >> available](https://www.cups.org/doc/options.html#COPIES) for supporting >> collated copies. This fix enables support for this through the >> `SheetCollate.COLLATED` request attribute for the `UnixPrintJob` internal >> class. >> >> I have prepared a simple [development >> repository](https://github.com/rroessler/openjdk-collation) to confirm that >> this feature patch appends the correct option to the `lpr` command used >> internally. >> >> --------- >> - [x] I confirm that I make this contribution in accordance with the >> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). > > Reuben Roessler has updated the pull request incrementally with one > additional commit since the last revision: > > Ensure PSPrinterJob executes lp/lpr with correct number of copies I tried in Xerox AltaLink printer and it prints UnixPrintJob>> execCmd /usr/bin/lpr -PAltaLink-B8145 -JJava Printing -#2 -h -o collate=true /tmp/javaprint4106915105918057272.ps but it prints 2 blank page. I tried print-to-pdf where it prints 2 page but print has Page0-Page1 text ------------- PR Comment: https://git.openjdk.org/jdk/pull/33023#issuecomment-5990022226
