I got the same Error when trying to print several PDF files. But the error didn't occur with all PDFs, even though all the files are very similar. So I examined the pdfs with pdfinfo:
## Files printable without errors: Title: *** Author: *** Creator: PScript5.dll Version 5.2 Producer: Acrobat Distiller 6.0 (Windows) CreationDate: *** ModDate: *** Tagged: no Pages: ** Encrypted: yes (print:yes copy:no change:no addNotes:no) Page size: 595 x 842 pts (A4) File size: 84886 bytes Optimized: yes PDF version: 1.5 ## Files producing the error: Title: *** Author: *** Creator: PScript5.dll Version 5.2.2 Producer: Acrobat Distiller 6.0 (Windows) CreationDate: *** ModDate: *** Tagged: no Pages: ** Encrypted: no Page size: 595 x 842 pts (A4) File size: 376958 bytes Optimized: yes PDF version: 1.4 -- unable to print duplex on Brother HL-5150D printer https://launchpad.net/bugs/21306 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
