Canon GX7050: Not all options work via driverless configuration

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Describe the bug The printer does not use my configured print job options

To Reproduce Steps to reproduce the behavior:

1. Add the printer: lpadmin -p 'Canon-GX7050' -v 'ipp://192.168.111.206/ipp/print' -E -m 'driverless:ipp://192.168.111.206/ipp/print'

• It does not make any difference using lpadmin or the CUPS webinterface.
• Happens on both IPP and IPPS
• Makes no difference if I use the IPv4 address or the DNS Canon%20.local.

2. Choose any document, e.g., PDF, to print
3. Select the second tray, increase number of copies, and/or select long-egde binding
4. Click on print
5. The printer only uses tray 1, ignores long-edge binding, and aborts the print job if duplex and multiple copies is used. Without duplex, it also not able to print multiple copies.

Expected behavior Print the job as desired.

Screenshots None.

System Information:

• OS: Debian Testing 13
• Browser: Firefox 122.0
• Version: 1.28.17-3+b1

Additional context I was able to fix the tray issue by editing the PPD file. Here is my diff Canon-GX7050-ppd.txt. Here is the PPD file manually generated by driverless ipps://192.168.111.206/ipp/print: Canon-GX7050-driverless-ppd.txt.