here is the output of SANE_DEBUG_EPSON2=255 scanimage -L 2>cx5000.log
with only epson2 in dll.config [sanei_debug] Setting debug level of epson2 to 255. [epson2] sane_epson2_init: sane-backends 1.0.19 [epson2] sane_epson2_init: reading config file, epson2.conf [epson2] scsi EPSON [epson2] usb [epson2] attach_one_usb: dev = [epson2] SANE Epson 2 Backend v0.1.16 - 2007-12-30 [epson2] attach: devname = , type = 3 [epson2] attach: opening , type = 3 [epson2] attach_one_usb: dev = libusb:001:002 [epson2] SANE Epson 2 Backend v0.1.16 - 2007-12-30 [epson2] attach: devname = libusb:001:002, type = 3 [epson2] attach: opening libusb:001:002, type = 3 [epson2] found valid EPSON scanner: 0x4b8/0x82b (vendorID/productID) [epson2] e2_set_model: model is 'generic' [epson2] esci_reset [epson2] e2_cmd_simple: size = 2 [epson2] e2_send: size = 2, reply = 1 [epson2] e2_send: ESC @ [epson2] buf[0] 1b . [epson2] buf[1] 40 @ [epson2] e2_send: cmd count, r = 0, w = 1 [epson2] e2_recv: size = 1, buf = 0xbfeb614b [epson2] e2_recv: cmd count, r = 1, w = 1 [epson2] buf[0] 06 . [epson2] e2_discover_capabilities [epson2] esci_request_identity [epson2] e2_cmd_info_block, params len = 2, reply len = 0, buf = 0xbfeb6368 [epson2] e2_send: size = 2, reply = 0 [epson2] e2_send: ESC I [epson2] buf[0] 1b . [epson2] buf[1] 49 I [epson2] e2_send: cmd count, r = 1, w = 2 [epson2] e2_recv: size = 4, buf = 0xbfeb60e2 [epson2] e2_recv: cmd count, r = 2, w = 2 [epson2] buf[0] 02 . [epson2] buf[1] 02 . [epson2] buf[2] 13 . [epson2] buf[3] 00 . [epson2] e2_recv_info_block: payload length: 19 [epson2] e2_recv: size = 19, buf = 0x8091ef0 [epson2] e2_recv: cmd count, r = 3, w = 2 [epson2] buf[0] 44 D [epson2] buf[1] 37 7 [epson2] buf[2] 52 R [epson2] buf[3] 64 d [epson2] buf[4] 00 . [epson2] buf[5] 52 R [epson2] buf[6] 2c , [epson2] buf[7] 01 . [epson2] buf[8] 52 R [epson2] buf[9] 58 X [epson2] buf[10] 02 . [epson2] buf[11] 52 R [epson2] buf[12] b0 . [epson2] buf[13] 04 . [epson2] buf[14] 41 A [epson2] buf[15] d8 . [epson2] buf[16] 27 ' [epson2] buf[17] d8 . [epson2] buf[18] 36 6 [epson2] e2_set_cmd_level: D7 [epson2] e2_add_resolution: add (dpi): 100 [epson2] e2_add_resolution: add (dpi): 300 [epson2] e2_add_resolution: add (dpi): 600 [epson2] e2_add_resolution: add (dpi): 1200 [epson2] maximum scan area: 10200x14040 [epson2] e2_set_fbf_area: 0.000000,0.000000 215.899994,297.179993 1200 [mm] [epson2] esci_request_status [epson2] e2_send: size = 2, reply = 4 [epson2] e2_send: ESC F [epson2] buf[0] 1b . [epson2] buf[1] 46 F [epson2] e2_send: cmd count, r = 3, w = 3 [epson2] e2_recv: size = 4, buf = 0xbfeb6132 [epson2] e2_recv: cmd count, r = 4, w = 3 [epson2] buf[0] 02 . [epson2] buf[1] 02 . [epson2] buf[2] 00 . [epson2] buf[3] 00 . [epson2] status: 02 [epson2] ready [epson2] no option equipment installed [epson2] support extended commands [epson2] esci_request_extended_identity [epson2] net autodiscovery [epson2] attach_one_net: dev = autodiscovery [epson2] SANE Epson 2 Backend v0.1.16 - 2007-12-30 [epson2] attach: devname = autodiscovery, type = 4 [epson2] attach: opening autodiscovery, type = 4 [epson2] e2_network_discovery, sent discovery packet [epson2] e2_network_discovery, end [epson2] sane_epson2_get_devices tj