[root@comp-Pentium-Dual-764cff ~]# service ccpd status
/usr/sbin/ccpd: 8258 8031
[root@comp-Pentium-Dual-764cff ~]# lsmod | grep usblp
usblp 12044 0
usbcore 149232 6 usb_storage,usb_libusual,ehci_hcd,uhci_hcd,usblp
[root@comp-Pentium-Dual-764cff ~]# cat /etc/modprobe.d/blacklist-cups
#cups is incompatible with usblp kernel driver
#blacklist usblp
[root@comp-Pentium-Dual-764cff ~]#