Every so often, my Zebra LP2844 printer stops working and the status in the web admin is: Paused - "/usr/libexec/cups/backend/usb failed" error_log says only the following: PID 13903 (/usr/libexec/cups/backend/usb) crashed on signal 11. [Job 70345] Stopping unresponsive job! Does anyone know how to prevent this from happening? - Grant