[sane-devel] Problem with the Epson DS-560 using the epsonds backend

m. allan noah kitno455 at gmail.com
Tue Apr 5 12:07:55 UTC 2016 

This looks like the typical Linux USB problem, try using a
sane-backends git snapshot. http://www.sane-project.org/snapshots/

allan

On Tue, Apr 5, 2016 at 7:58 AM, Thorben Schröder
<info at thorbenschroeder.de> wrote:
> Hey! I've a question regarding the epsonds backend. I'm trying to get my
> scanner working with the latest 1.0.25 release of sane-backends. I got it to
> a point where it now finds the scanner once when using
>
> scanimage -L
>
> but after that it doesn't find the scanner ever again until I unplug and
> plug it back again (USB).
>
> Here is the debugging output of the scanimage -L command I've used
> (https://gist.github.com/walski/7117f69c9e70b1733c6b14c928050ada):
>
> # First Run:
>
>> sudo SANE_DEBUG_EPSONDS=128 scanimage -L
>> [sanei_debug] Setting debug level of epsonds to 128.
>> [epsonds] sane_epsonds_init: sane-backends 1.0.25
>> [epsonds] epsonds backend, version 1.0.35
>> [epsonds] ** sane_epsonds_get_devices
>> [epsonds] probe_devices
>> [epsonds] attach_one_config: len = 15, line = usb 0x4b8 0x150
>> [epsonds]  user configured device
>> [epsonds] attach_one_usb: dev = libusb:001:006
>> [epsonds] attach: devname = libusb:001:006, type = 1
>> [epsonds] device_detect
>> [epsonds] open_scanner: libusb:001:006
>> [epsonds]  opened correctly
>> [epsonds] eds_lock
>> [epsonds] eds_control: size = 2
>> [epsonds] eds_send: size = 2
>> [epsonds] eds_send: FS X
>> [epsonds] eds_recv: size = 1, buf = 0x7eacc1ff
>> [epsonds] = gathering device information
>> [epsonds] esci2_cmd: INFOx0000000 len 12, payload len: 0
>> [epsonds] eds_send: size = 12
>> [epsonds] eds_recv: size = 64, buf = 0x7eacc1b0
>> [epsonds] info_cb: nrd / NONE / 4
>> [epsonds] eds_recv: size = 256, buf = 0x1e69ce8
>> [epsonds] info_cb: ADF / TYPEFEED / 8
>> [epsonds]      ADF: sheet feed type
>> [epsonds] info_cb: ADF / DPLX1SCN / 8
>> [epsonds]      ADF: duplex single pass
>> [epsonds] info_cb: ADF / FORDPF1N / 8
>> [epsonds]      ADF: order is 1 to N
>> [epsonds] info_cb: ADF / ALGNCNTR / 8
>> [epsonds]      ADF: center aligned
>> [epsonds] info_cb: ADF / AREAi0000850i0001400 / 20
>> [epsonds]      ADF: area 850x1400 @ 100dpi
>> [epsonds] info_cb: ADF / AMINi0000200i0000205 / 20
>> [epsonds]      ADF: min 200x205 @ 100dpi
>> [epsonds] info_cb: ADF / AMAXi0000850i0003600 / 20
>> [epsonds]      ADF: max 850x3600 @ 100dpi
>> [epsonds] eds_set_adf_area: 0.000000,0.000000 215.899994,914.399994 100
>> [mm]
>> [epsonds] info_cb: ADF / RESOi0000600 / 12
>> [epsonds]      ADF: basic resolution is 600 dpi
>> [epsonds] info_cb: ADF / RCVR / 4
>> [epsonds]      ADF: auto recovery
>> [epsonds] info_cb: ADF / OVSNd000d039 / 12
>> [epsonds]      ADF: overscan 0x39 @ 100dpi
>> [epsonds] info_cb: IMX / x000FFFFx000FFFF / 16
>> [epsonds] info_cb: PRD / h008DS-560   / 12
>> [epsonds]  product: DS-560
>> [epsonds] info_cb: VER / h010IPL 1.00ADF 1.05 / 20
>> [epsonds]  version: IPL 1.00ADF 1.05
>> [epsonds] info_cb: DSZ / i0001536 / 8
>> [epsonds] info_cb: DLS /  / 0
>> [epsonds] info_cb: S/N / h00AU6NZ019428 / 14
>> [epsonds]   serial: U6NZ019428
>> [epsonds] esci2_cmd: CAPAx0000000 len 12, payload len: 0
>> [epsonds] eds_send: size = 12
>> [epsonds] eds_recv: size = 64, buf = 0x7eacc1c0
>> [epsonds] capa_cb: nrd / NONE / 4
>> [epsonds] eds_recv: size = 228, buf = 0x1e69ce8
>> [epsonds] capa_cb: ADF / DPLX / 4
>> [epsonds]      ADF: duplex
>> [epsonds] capa_cb: ADF / DFL1DFL2 / 8
>> [epsonds]      ADF: double feed detection (high sensitivity)
>> [epsonds] capa_cb: ADF / EJCT / 4
>> [epsonds]      ADF: paper eject
>> [epsonds] capa_cb: ADF / OVSN / 4
>> [epsonds]      ADF: overscan
>> [epsonds] capa_cb: COL / LISTC024M001M008R001R008G001G008B001B008 / 40
>> [epsonds] capa_cb: FMT / LISTJPG  / 8
>> [epsonds] capa_cb: JPG / RANGd001d100 / 12
>> [epsonds] capa_cb: THR / RANGd000d255 / 12
>> [epsonds] capa_cb: GMM / LISTUG10UG18 / 12
>> [epsonds] capa_cb: GMT / LISTRED GRN BLU MONO / 20
>> [epsonds] capa_cb: CMX / LISTUNITUM08 / 12
>> [epsonds] capa_cb: RSM / LISTi0000300i0000600 / 20
>> [epsonds] eds_add_resolution: add (dpi): 300
>> [epsonds] eds_add_resolution: add (dpi): 600
>> [epsonds] capa_cb: RSS / LISTi0000300i000060 / 19
>> [epsonds] esci2_cmd: RESAx0000000 len 12, payload len: 0
>> [epsonds] eds_send: size = 12
>> [epsonds] eds_recv: size = 64, buf = 0x7eacc1c0
>> [epsonds] resa_cb: nrd / NONE / 4
>> [epsonds] resa_cb: par / OK   / 4
>> [epsonds] eds_recv: size = 1184, buf = 0x1e69ce8
>> [epsonds] resa_cb: ADF /  / 0
>> [epsonds] resa_cb: COL / M001 / 4
>> [epsonds] resa_cb: FMT / JPG  / 4
>> [epsonds] resa_cb: JPG / d090 / 4
>> [epsonds] resa_cb: THR / d128 / 4
>> [epsonds] resa_cb: GMM / UG10 / 4
>> [epsonds] resa_cb: $%& /
>> '()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????BLU
>> h100 / 225
>> [epsonds] resa_cb: $%& /
>> '()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????MONOh100
>> / 225
>> [epsonds] resa_cb: $%& /
>> '()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
>> / 217
>> [epsonds] resa_cb: CMX / UNIT / 4
>> [epsonds] resa_cb: BSZ / i0065536 / 8
>> [epsonds] resa_cb: PAG / d000 / 4
>> [epsonds] resa_cb: RSM / d300 / 4
>> [epsonds] resa_cb: RSS / d300 / 4
>> [epsonds] resa_cb: ACQ / i0000000i0000000i0002550i000420 / 31
>> [epsonds] eds_add_depth: add (bpp): 1
>> [epsonds] eds_add_depth: add (bpp): 8
>> [epsonds] eds_dev_post_init
>> [epsonds] scanner model: DS-560
>> [epsonds] close_scanner: fd = 0
>> [epsonds]  unlocking scanner
>> [epsonds] esci2_fin
>> [epsonds] esci2_cmd: FIN x0000000 len 12, payload len: 0
>> [epsonds] eds_send: size = 12
>> [epsonds] eds_recv: size = 64, buf = 0x7eacc1c8
>> [epsonds] close_scanner: ZZZ
>> [epsonds] sane_epsonds_get_devices - results:
>> [epsonds]  0 (1): DS-560
>> device `epsonds:libusb:001:006' is a Epson DS-560 ESC/I-2
>> [epsonds] ** sane_epsonds_exit
>
>
>
> # Subsequent runs
>
>> sudo SANE_DEBUG_EPSONDS=128 scanimage -L
>> [sanei_debug] Setting debug level of epsonds to 128.
>> [epsonds] sane_epsonds_init: sane-backends 1.0.25
>> [epsonds] epsonds backend, version 1.0.35
>> [epsonds] ** sane_epsonds_get_devices
>> [epsonds] probe_devices
>> [epsonds] attach_one_config: len = 15, line = usb 0x4b8 0x150
>> [epsonds]  user configured device
>> [epsonds] attach_one_usb: dev = libusb:001:006
>> [epsonds] attach: devname = libusb:001:006, type = 1
>> [epsonds] device_detect
>> [epsonds] open_scanner: libusb:001:006
>> [epsonds]  opened correctly
>> [epsonds] eds_lock
>> [epsonds] eds_control: size = 2
>> [epsonds] eds_send: size = 2
>> [epsonds] eds_send: FS X
>> [epsonds] eds_recv: size = 1, buf = 0x7ec591ff
>> [epsonds] eds_recv: expected = 1, got = 0, canceling: 0
>> [epsonds] eds_txrx: rx err, Error during device I/O
>> [epsonds] eds_control: failed, Error during device I/O
>> [epsonds]  failed
>> [epsonds] close_scanner: fd = 0
>> [epsonds] close_scanner: ZZZ
>> [epsonds] sane_epsonds_get_devices - results:
>>
>> No scanners were identified. If you were expecting something different,
>> check that the scanner is plugged in, turned on and detected by the
>> sane-find-scanner tool (if appropriate). Please read the documentation
>> which came with this software (README, FAQ, manpages).
>> [epsonds] ** sane_epsonds_exit
>
>
>
> The problem seems to appear somewhere around line 17 of the second run when
> it seems to send some command to the scanner but receives an unexpected
> result :/
>
> Any idea on how to proceed to make this work again?
>
> Thanks so much,
>
> Thorben
>
> --
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