Can you post the output of
sudo usb_printerid /dev/usblp0 sudo usb_printerid /dev/usblp1 sudo usb_printerid /dev/usblp2 sudo lsudb -vvv
Can you post the output of
sudo usb_printerid /dev/usblp0
sudo usb_printerid /dev/usblp1
sudo usb_printerid /dev/usblp2
sudo lsudb -vvv