Created attachment 847988 [details, diff] Ebuild for version 6.30 This uses the original source code of Canon, which is shipped e.g. for Canon PIXMA TS5350i https://www.canon.co.uk/support/consumer_products/products/fax__multifunctionals/inkjet/pixma_ts_series/pixma-ts5350i.html?type=drivers&language=en&os=linux%20(64-bit) as IJ Printer Driver Ver. 6.30 for Linux (Source file) The resulting URL is https://gdlp01.c-wss.com/gds/9/0100011319/01/cnijfilter2-source-6.30-1.tar.gz This ebuild is based on cnijfilter2-5.90.ebuild. This ebuild has been only tested on amd64. This ebuild tries to support amd64 and x86. Find the supported printers in cnijfilter2-source-6.30-1/ppd/NEWS The source code of the driver contains in the folder cnijfilter2-source-6.30-1/com support for i686, x64_64, aarch64, mips64.
A Pull Request is better to handle. If you do add a comment here with a link to it QA_FLAGS_IGNORED is reporting only the /usr/lib64 library. I think also the /usr/lib should be added (or a wildcard to get both)
6.50 is already there