HP1020 should use CUPS 2.3.3-3 (ArchLinux) and should not upgrade.
HP1020 should use CUPS 2.3.3-3 (ArchLinux) and **should not upgrade**.
- FAQ:
1. Filter failed: Please read /var/log/cups/error.log to find the actual error.
2. In error.log, foo2zjs-wrapper: command not found: Install AUR package `foo2zjs-nightly`.
3.`lpinfo -v` shows `usb://unknown/printer`, or `Waiting for printer to become available` after archlinux upgrade:
Please [downgrade cups/libcups to 2.3.3-3](https://wiki.archlinux.org/index.php/CUPS/Troubleshooting#Issues_Relating_to_Upgrade_2.3.3-3_-%3E_2.3.3+106+ga72b0140e-1), and downgrade cups-filters to 1.28.5-1, and hold these packages in `/etc/pacman.conf`. Switching Arch's CUPS upstream from Apple's senescent original to the actively-developed OpenPrinting fork broke your CUPS.
Please [downgrade cups/libcups to 2.3.3-3](https://wiki.archlinux.org/index.php/CUPS/Troubleshooting#Issues_Relating_to_Upgrade_2.3.3-3_-%3E_2.3.3+106+ga72b0140e-1), and downgrade cups-filters to 1.28.5-1, and set these packages as IgnorePkg in `/etc/pacman.conf`. Switching Arch's CUPS upstream from Apple's senescent original to the actively-developed OpenPrinting fork broke your CUPS.
