Make CUPS work with CITIZEN Printer
#0 - Add the printer to CUPS with default settings (don't change anything) #1 create udev rule in /etc/udev/rules.d SUBSYSTEM=="usb", ATTR{idVendor}=="1d90", ATTR{idProduct}=="2037", MODE="0777", GROUP="lp", SYMLINK+="citizen_printer" https://forums.raspberrypi.com/viewtopic.php?t=333307 #2 I know this thread is very old, but at least for internet history I will post what worked for me: in /etc/modprobe.d/ in blacklist.conf add a new row: blacklist usblp then reboot and printer finally started working! # lists usb devices lsusb #lpstat lpstat -p -d # Logs locations /var/log/cups/error_log sudo grep -i usb /var/log/syslog or /var/log/kern.log