hp1020打印机安装问题

已安装完foo2zjs,可是找不到设备，根据http://www.linuxprinting.org/show_pr...-LaserJet_1020
“You can use a hotplug/udev script which comes with foo2zjs,”我有安装udev,lsusb里有
# lsusb
Bus 005 Device 001: ID 0000:0000
Bus 004 Device 001: ID 0000:0000
Bus 004 Device 002: ID 0a81:0205 Chesen Electronics Corp. PS/2 Keyboard+Mouse Adapter
Bus 003 Device 001: ID 0000:0000
Bus 002 Device 001: ID 0000:0000
Bus 001 Device 002: ID 03f0:2b17 Hewlett-Packard
Bus 001 Device 001: ID 0000:0000
dmesg找不到
~ # dmesg|grep usb
usbcore: registered new driver usbfs
usbcore: registered new driver hub
usb usb1: configuration #1 chosen from 1 choice
usb 1-2: new high speed USB device using ehci_hcd and address 2
usb 1-2: configuration #1 chosen from 1 choice
usbcore: registered new driver hiddev
usbcore: registered new driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
usbcore: registered new driver usb-storage
usb usb2: configuration #1 chosen from 1 choice
usb usb3: configuration #1 chosen from 1 choice
usb usb4: configuration #1 chosen from 1 choice
usb usb5: configuration #1 chosen from 1 choice
usb 4-2: new low speed USB device using uhci_hcd and address 2
usb 4-2: configuration #1 chosen from 1 choice
input: USB HID v1.10 Keyboard [CHESEN PS2 to USB Converter] on usb-0000:00:1d.2-2
input: USB HID v1.10 Mouse [CHESEN PS2 to USB Converter] on usb-0000:00:1d.2-2
~ # ls /dev|grep usb
usbdev1.1_ep00
usbdev1.1_ep81
usbdev1.2_ep00
usbdev1.2_ep01
usbdev1.2_ep81
usbdev2.1_ep00
usbdev2.1_ep81
usbdev3.1_ep00
usbdev3.1_ep81
usbdev4.1_ep00
usbdev4.1_ep81
usbdev4.2_ep00
usbdev4.2_ep81
usbdev4.2_ep82
usbdev5.1_ep00
usbdev5.1_ep81

要先把usb printer 缟译到内核。
Linux Kernel Configuration:

File systems --->
<*> DOS FAT fs support
<*> MSDOS fs support
<*> VFAT (Windows-95) fs support
Device Drivers --->
SCSI support --->
<*> SCSI support
--- SCSI support type (disk, tape, CD-ROM)
<*> SCSI disk support
USB support --->
<*> Support for USB
<*> EHCI HCD (USB 2.0 Support)
<*> OHCI (Compaq, iMacs, OPTi, SiS, ALi, ...) support
<*> UHCI (Intel PIIX4, VIA, ...) support
<*> USB Printer Support
<*> USB Mass Storage support

hp 1020已经安装完毕。
cups管理见面 http://localhost:631/下，可看到如下状态
hp_usb_HP_LaserJet_1020 (Default Printer) "ready to print"
Description: HP HP_LaserJet_1020
Location: Local Printer
Make and Model: HP LaserJet 1020 Foomatic/foo2zjs (recommended)
Printer State: idle, accepting jobs, published.
Device URI: hp:/usb/HP_LaserJet_1020?device=/dev/usb/lp0
------------------------------------
可是一打印，机器没任何反应。应如何解决呢?

是通过 emerge cups安装的吗?

emerge cups foomatic