[sane-devel] Epson Perfection 4490 PHOTO

Gerhard Grygiel grygiel at sun52a.desy.de
Wed Aug 24 21:31:21 UTC 2005


Hi,

On Wed, Aug 24, 2005 at 12:06:44PM -0400, Rayudu Addagarla wrote:
> Hai Gerhard,
>  Try the snapscan backend. 
>  I saw some references of epson and the vendor ID, in snapscan.h and
> snapscan.conf
I build sane-backends new from cvs (1.0.16).

# the snapascn backend test:
$ export SANE_DEBUG_SNAPSCAN=128
$ scanimage -L
[sanei_debug] Setting debug level of snapscan to 128.
[snapscan] sane_snapscan_init
[snapscan] sane_snapscan_init: Snapscan backend version 1.4.43
[snapscan] add_usb_device(libusb:004:002)
[snapscan] add_usb_device: Detected (kind of) an USB device
[snapscan] snapscani_usb_open(libusb:004:002)
[snapscan] add_usb_device: Checking if 0x04b8 is a supported USB vendor
ID
[snapscan] snapscani_check_device()
[snapscan] mini_inquiry
[snapscan] snapscan_cmd
[snapscan] snapscani_usb_cmd(0,0xbf992762,6,0xbf99273e,0xbf992768 (36))
[snapscan] atomic_usb_cmd(0,0xbf992762,6,0xbf99273e,0xbf992768 (36))
[snapscan] usb_cmd(0,0xbf992762,6,0xbf99273e,0xbf992768 (36))
[snapscan] usb_cmd: cmdlen=6, datalen=0
[snapscan] usb_write: writing:  0x12 0x00 0x00 0x00 0x24 0x00
[snapscan] Written 6 bytes
[snapscan] usb_read Only 0 bytes read
[snapscan] usb_read: reading:  0x12 0x00 0x00 0x00 0x24 0x00 0x17 0xc0
[snapscan] Read 0 bytes
[snapscan] mini_inquiry: snapscan_cmd command failed: Error during device I/O
[snapscan] snapscani_check_device: mini_inquiry failed with Error during device I/O.
[snapscan] snapscani_usb_close(0)
[snapscan] 1st read 0 write 1
[snapscan] snapscani_usb_cmd(0,0xbf992758,6,0xbf9926e0,0xbf992764 (120))
[snapscan] atomic_usb_cmd(0,0xbf992758,6,0xbf9926e0,0xbf992764 (120))
[snapscan] usb_cmd(0,0xbf992758,6,0xbf9926e0,0xbf992764 (120))
[snapscan] usb_cmd: cmdlen=6, datalen=0
[snapscan] usb_write: writing:  0x12 0x00 0x00 0x00 0x78 0x00
[snapscan] Written 6 bytes
[snapscan] usb_read Only 0 bytes read
[snapscan] usb_read: reading:  0x12 0x00 0x00 0x00 0x78 0x00 0x00 0x00
[snapscan] Read 0 bytes
[snapscan] 2nd read 0 write 2
[snapscan] sane_snapscan_exit


It seems that the snapscan backend can't talk to the scanner.

# the epson backend test
$ scanimage -L
device `epson:libusb:004:002' is a Epson  flatbed scanner
$ export SANE_DEBUG_EPSON=128
$ scanimage -d epson:libusb:004:002 > out.pnm
[sanei_debug] Setting debug level of epson to 128.
[epson] sane_init: sane-backends 1.0.16-cvs
[epson] sane_init, ># epson.conf<
[epson] sane_init, >#<
[epson] sane_init, ># here are some examples for how to configure the EPSON backend<
[epson] sane_init, >#<
[epson] sane_init, ># SCSI scanner:<
[epson] sane_init, >scsi EPSON<
[epson] sane_init, ># for the GT-6500, comment out the previous line and uncomment the following line:<
[epson] sane_init, >#scsi<
[epson] sane_init, >#<
[epson] sane_init, ># Parallel port scanner:<
[epson] sane_init, >#pio 0x278<
[epson] sane_init, >#pio 0x378<
[epson] sane_init, >#pio 0x3BC<
[epson] sane_init, >#<
[epson] sane_init, ># USB scanner:<
[epson] sane_init, ># There are two different methods of configuring a USB scanner: libusb and the kernel module<
[epson] sane_init, ># For any system with libusb support (which is pretty much any recent Linux distribution) the<
[epson] sane_init, ># following line is sufficient. This however assumes that the connected scanner (or to be more<
[epson] sane_init, ># accurate, it's device ID) is known to the backend.<
[epson] sane_init, >usb<
[epson] attach_one_usb()
[epson] SANE Epson Backend v0.2.45 - 2000-01-09
[epson] attach(, 3)
[epson] attach: opening 
[epson] sane_init, ># For libusb support for unknown scanners use the following command<
[epson] sane_init, ># usb <product ID> <device ID><
[epson] sane_init, ># e.g.:<
[epson] sane_init, ># usb 0x4b8 0x110<
[epson] sane_init, ># And for the scanner module, use the following configuration:<
[epson] sane_init, >#usb /dev/usbscanner0<
[epson] sane_init, >#usb /dev/usb/scanner0<
[epson] sane_init, ><
[epson] sane_init, ># Epson Perfection 4490<
[epson] sane_init, >usb 0x04b8 0x0119<
[epson] attach_one_usb(libusb:004:002)
[epson] SANE Epson Backend v0.2.45 - 2000-01-09
[epson] attach(libusb:004:002, 3)
[epson] attach: opening libusb:004:002
[epson] Found valid EPSON scanner: 0x4b8/0x119 (vendorID/productID)
[epson] reset()
[epson] send buf, size = 2
[epson] buf[0] 1b .
[epson] buf[1] 40 @
[epson] w_cmd_count = 1
[epson] r_cmd_count = 0
[epson] w_cmd_count = 1
[epson] r_cmd_count = 1
[epson] receive buf, expected = 1, got = 1
[epson] buf[0] 15 .
[epson] get_identity_information()
[epson] send buf, size = 2
[epson] buf[0] 1b .
[epson] buf[1] 49 I
[epson] w_cmd_count = 2
[epson] r_cmd_count = 1
[epson] w_cmd_count = 2
[epson] r_cmd_count = 2
[epson] receive buf, expected = 4, got = 1
[epson] buf[0] 15 .
[epson] code   15
[epson] type    1 0x31
[epson] level   9 0x39
[epson] no option equipment installed
[epson] Unknown type 1 or level 9, using B3
[epson] fbf tlx 0.000000 tly 0.000000 brx 0.000000 bry 0.000000 [mm]
[epson] send buf, size = 2
[epson] buf[0] 1b .
[epson] buf[1] 44 D
[epson] w_cmd_count = 3
[epson] r_cmd_count = 2
[epson] w_cmd_count = 3
[epson] r_cmd_count = 3
[epson] receive buf, expected = 1, got = 1
[epson] buf[0] 15 .
[epson] send buf, size = 2
[epson] buf[0] 1b .
[epson] buf[1] 44 D
[epson] w_cmd_count = 4
[epson] r_cmd_count = 3
[epson] w_cmd_count = 4
[epson] r_cmd_count = 4
[epson] receive buf, expected = 1, got = 1
[epson] buf[0] 15 .
[epson] send buf, size = 2
[epson] buf[0] 1b .
[epson] buf[1] 44 D
[epson] w_cmd_count = 5
[epson] r_cmd_count = 4
[epson] w_cmd_count = 5
[epson] r_cmd_count = 5
[epson] receive buf, expected = 1, got = 1
[epson] buf[0] 15 .
[epson] Max. supported color depth = 8
[epson] request_focus_position()
[epson] Disabling 'Set Focus' support
[epson] send buf, size = 2
[epson] buf[0] 1b .
[epson] buf[1] 66 f
[epson] w_cmd_count = 6
[epson] r_cmd_count = 5
[epson] w_cmd_count = 6
[epson] r_cmd_count = 6
[epson] receive buf, expected = 4, got = 1
[epson] buf[0] 15 .
[epson] code   15
[epson] scanner model: 
[epson] close_scanner(fd = 0)
[epson] w_cmd_count = 6
[epson] r_cmd_count = 6
[epson] w_cmd_count = 6
[epson] r_cmd_count = 6
[epson] sane_init, ><
[epson] sane_open(libusb:004:002)
[epson] init_options()
[epson] open_scanner()
[epson] setvalue(option = 38, value = 0xbf9b9794)
[epson] set = 0.000000
[epson] setvalue(option = 39, value = 0xbf9b9794)
[epson] set = 0.000000
[epson] sane_start()
[epson] open_scanner()
[epson] scanner is already open: fd = 0
[epson] sane_start: Setting data format to 1 bits
[epson] send buf, size = 2
[epson] buf[0] 1b .
[epson] buf[1] 44 D
[epson] w_cmd_count = 7
[epson] r_cmd_count = 6
[epson] w_cmd_count = 7
[epson] r_cmd_count = 7
[epson] receive buf, expected = 1, got = 1
[epson] buf[0] 15 .
[epson] sane_start: set_data_format failed: Invalid argument
scanimage: sane_start: Invalid argument
[epson] close_scanner(fd = 0)
[epson] send buf, size = 2
[epson] buf[0] 1b .
[epson] buf[1] 46 F
[epson] w_cmd_count = 8
[epson] r_cmd_count = 7
[epson] w_cmd_count = 8
[epson] r_cmd_count = 8
[epson] receive buf, expected = 4, got = 1
[epson] buf[0] 15 .
[epson] w_cmd_count = 8
[epson] r_cmd_count = 8
[epson] w_cmd_count = 8
[epson] r_cmd_count = 8

For the epkowa backend, I don't know were to find the newest sources.

Please let me know if I can provide any further informations.

Greetings Gerhard




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