A little more information: the cups server got a new kernel from "apt-get dist-upgrade" on April 27 2014, and here are some messages from /var/log/kern.log:
Apr 27 21:45:33 doohan kernel: [ 13.458593] usb 1-1: New USB device found, idVendor=03f0, idProduct=1c17 Apr 27 21:45:33 doohan kernel: [ 13.458716] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Apr 27 21:45:33 doohan kernel: [ 13.458810] usb 1-1: Product: hp color LaserJet 2550 series Apr 27 21:45:33 doohan kernel: [ 13.458897] usb 1-1: Manufacturer: Hewlett-Packard Apr 27 21:45:33 doohan kernel: [ 13.458980] usb 1-1: SerialNumber: 00CNHFD21527 Apr 27 21:45:33 doohan kernel: [ 13.681474] sd 0:0:0:0: Attached scsi generic sg0 type 0 Apr 27 21:45:33 doohan kernel: [ 13.682799] sd 0:0:1:0: Attached scsi generic sg1 type 0 Apr 27 21:45:33 doohan kernel: [ 13.683667] sr 1:0:0:0: Attached scsi generic sg2 type 5 Apr 27 21:45:33 doohan kernel: [ 13.893619] input: PS/2 Logitech Mouse as /devices/platform/i8042/serio1/input/input2 Apr 27 21:45:33 doohan kernel: [ 13.903186] usblp0: USB Bidirectional printer dev 2 if 0 alt 1 proto 2 vid 0x03F0 pid 0x1C17 Apr 27 21:45:33 doohan kernel: [ 13.903498] usbcore: registered new interface driver usblp and then later in the same file (last night, in fact): May 2 22:35:14 doohan kernel: [435400.159065] usblp0: removed Here is the output from lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 002: ID 03f0:1c17 Hewlett-Packard Color LaserJet 2550l -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org