This repository is no longer maintained original repo https://github.com/Gr4ffy/lede-cups.git
https://github.com/TheMMcOfficial/cups-for-openwrt
git clone https://github.com/lede-project/source
cd source
echo "src-git cups https://github.com/TheMMcOfficial/lede-cups.git" >> feeds.conf.default
./scripts/feeds update -a
./scripts/feeds install -a
make menuconfig (set Network->Printing->cups as "M")
make
copy /source/bin/packages/[PLATFORM]/cups/*.ipk to machine & opkg install
2.3.0