When the printer is idle:
ls -l /dev/usb/lp* crw-rw---- 1 root lp 180, 0 Jun 15 14:34 /dev/usb/lp0
sudo usb_printerid /dev/usb/lp0 GET_DEVICE_ID string: MFG:Samsung;CMD:GDI;MDL:SCX-4200 Series;CLS:PRINTER;MODE:PCL;STATUS:IDLE;
When the printer is idle:
ls -l /dev/usb/lp*
crw-rw---- 1 root lp 180, 0 Jun 15 14:34 /dev/usb/lp0
sudo usb_printerid /dev/usb/lp0 CMD:GDI; MDL:SCX- 4200 Series; CLS:PRINTER; MODE:PCL; STATUS: IDLE;
GET_DEVICE_ID string:
MFG:Samsung;