When you are in the state of the first job having printed and the second job not coming out, can you post the output of the commands
ps auxwww | grep usb lsmod | grep usb lpstat -o
When you are in the state of the first job having printed and the second job not coming out, can you post the output of the commands
ps auxwww | grep usb
lsmod | grep usb
lpstat -o