i have a similar 6300C scanner, and have found it to be quite flakey connected to any nForce usb controller, sometimes works, sometimes not, but never the same thing two times in a row. These machines seem to be not-quite usb 1.1 compatible, so i only use mine on scsi.
allan 2008/3/4 Tobias Lohner <tobias at lohner-net.de>: > Hi there, > > i've some trouble with my HP ScanJet 6200C which is connected via USB > to my PC. > > First time i run 'sane-find-scanner' it's output is > > found USB scanner (vendor=0x03f0 [Hewlett-Packard], product=0x0201 [HP > ScanJet 6200C]) at libusb:002:003 > > So i tried to run scanimage without any options (since i've only one > scanner connected)...: > > > scanimage > P4 > # SANE data follows > 2550 3507 > scanimage: sane_read: Error during device I/O > > Ok, I/O errors are common these days, so i tried again, but it just > said 'scanimage: no SANE devices found'. Running sane-find-scanner > again outputs the following now: > > found USB scanner (vendor=0x03f0, product=0x0201) at libusb:002:003 > > What's gone wrong? I'm running Debian etch with Debian kernel > 2.6.18-6-k7 on AMD with an nVidia MCP51 USB host controller. > > dmesg says: > > ohci_hcd 0000:00:0b.0: wakeup > usb 2-1: new full speed USB device using ohci_hcd and address 3 > usb 2-1: configuration #1 chosen from 1 choice > usb 2-1: usbfs: USBDEVFS_CONTROL failed cmd sane-find-scann rqt 128 rq > 6 len 2 ret -110 > usb 2-1: usbfs: USBDEVFS_CONTROL failed cmd sane-find-scann rqt 128 rq > 6 len 2 ret -110 > > I'm wondering if that error is sane or kernel-driven since > sane-find-scanner seems to find the scanner but doesn't recognise the > driver for it after trying to scan. > > Any thoughts? > > Tobias > > -- > Remember, gravity is not just a good idea. > It's the law. > And it's not subject to repeal. > > > > -- > sane-devel mailing list: sane-devel at lists.alioth.debian.org > http://lists.alioth.debian.org/mailman/listinfo/sane-devel > Unsubscribe: Send mail with subject "unsubscribe your_password" > to sane-devel-request at lists.alioth.debian.org > -- "The truth is an offense, but not a sin"