sudo scanimage -vvv
[sanei_debug] Setting debug level of fujitsu to 15.
[fujitsu] sane_init: start
[fujitsu] sane_init: fujitsu backend 1.0.52, from sane-backends 1.0.18-cvs
[fujitsu] sane_init: finish
[fujitsu] sane_get_devices: start
[fujitsu] find_scanners: start
[fujitsu] find_scanners: reading config file fujitsu.conf
[fujitsu] find_scanners: config option "buffer-size" (131072) is > 65536, warning!
[fujitsu] find_scanners: setting "buffer-size" to 131072
[fujitsu] find_scanners: looking for 'scsi FUJITSU'
[fujitsu] attach_one: start
[fujitsu] attach_one: looking for '/dev/sg0'
[fujitsu] connect_fd: start
[fujitsu] connect_fd: opening SCSI device
[fujitsu] wait_scanner: start
[fujitsu] do_scsi_cmd: start
[fujitsu] do_scsi_cmd: finish
[fujitsu] wait_scanner: finish
[fujitsu] connect_fd: finish
[fujitsu] init_inquire: start
[fujitsu] do_scsi_cmd: start
[fujitsu] do_scsi_cmd: finish
[fujitsu] init_inquire: Found FUJITSU scanner fi-4120Cdj version 0K00 at /dev/sg0
[fujitsu] inquiry options
[fujitsu]   color offset: 0 lines
[fujitsu]   long color scan: 1
[fujitsu]   long gray scan: 1
[fujitsu]   3091 duplex: 0
[fujitsu]   background front: 0
[fujitsu]   background back: 0
[fujitsu]   emulation mode: 0
[fujitsu]   duplex offset: 0 lines
[fujitsu] init_inquire: finish
[fujitsu] init_vpd: start
[fujitsu] do_scsi_cmd: start
[fujitsu] do_scsi_cmd: finish
[fujitsu] init_vpd: length=5f
[fujitsu] standard options
[fujitsu]   basic x res: 600 dpi
[fujitsu]   basic y res: 600 dpi
[fujitsu]   step x res: 1 dpi
[fujitsu]   step y res: 1 dpi
[fujitsu]   max x res: 600 dpi
[fujitsu]   max y res: 600 dpi
[fujitsu]   min x res: 50 dpi
[fujitsu]   min y res: 50 dpi
[fujitsu]   60 dpi: 1
[fujitsu]   75 dpi: 1
[fujitsu]   100 dpi: 1
[fujitsu]   120 dpi: 1
[fujitsu]   150 dpi: 1
[fujitsu]   160 dpi: 1
[fujitsu]   180 dpi: 1
[fujitsu]   200 dpi: 1
[fujitsu]   240 dpi: 1
[fujitsu]   300 dpi: 1
[fujitsu]   320 dpi: 1
[fujitsu]   400 dpi: 1
[fujitsu]   480 dpi: 1
[fujitsu]   600 dpi: 1
[fujitsu]   800 dpi: 0
[fujitsu]   1200 dpi: 0
[fujitsu]   max width: 8.50 inches
[fujitsu]   max length: 28.00 inches
[fujitsu]   overflow: 1
[fujitsu]   monochrome: 1
[fujitsu]   halftone: 1
[fujitsu]   grayscale: 1
[fujitsu]   color_monochrome: 0
[fujitsu]   color_halftone: 0
[fujitsu]   color_grayscale: 1
[fujitsu] vendor options
[fujitsu]   operator panel: 1
[fujitsu]   barcode: 0
[fujitsu]   imprinter: 0
[fujitsu]   duplex: 1
[fujitsu]   transparency: 0
[fujitsu]   flatbed: 0
[fujitsu]   adf: 1
[fujitsu]   A/D bits: 10
[fujitsu]   buffer bytes: 16777216
[fujitsu]   mode_sense cmd: 1
[fujitsu]   subwindow cmd: 0
[fujitsu]   endorser cmd: 0
[fujitsu]   hardware status cmd: 1
[fujitsu]   scanner control cmd: 1
[fujitsu]   brightness steps: 0
[fujitsu]   threshold steps: 255
[fujitsu]   contrast steps: 0
[fujitsu]   built in gamma patterns: 0
[fujitsu]   download gamma patterns: 1
[fujitsu]   built in dither patterns: 4
[fujitsu]   download dither patterns: 1
[fujitsu]   black and white rif: 1
[fujitsu]   automatic binary DTC: 0
[fujitsu]   simplified DTC: 1
[fujitsu]   outline extraction: 0
[fujitsu]   image emphasis: 1
[fujitsu]   automatic separation: 0
[fujitsu]   mirror image: 0
[fujitsu]   white level follower: 0
[fujitsu]   subwindow: 0
[fujitsu]   compression MH: 0
[fujitsu]   compression MR: 0
[fujitsu]   compression MMR: 0
[fujitsu]   compression JBIG: 0
[fujitsu]   compression JPG1: 1
[fujitsu]   compression JPG2: 0
[fujitsu]   compression JPG3: 0
[fujitsu]   imprinter mech: 0
[fujitsu]   imprinter stamp: 0
[fujitsu]   imprinter elec: 0
[fujitsu]   imprinter max id: 0
[fujitsu]   imprinter size: 0
[fujitsu] init_vpd: finish
[fujitsu] init_ms: start
[fujitsu]   prepick: 0
[fujitsu]   sleep: 1
[fujitsu]   duplex: 0
[fujitsu]   rand: 0
[fujitsu]   bg: 0
[fujitsu]   df: 1
[fujitsu]   dropout: 1
[fujitsu]   buff: 0
[fujitsu]   auto: 1
[fujitsu]   lamp: 0
[fujitsu]   jobsep: 0
[fujitsu] init_ms: finish
[fujitsu] init_model: start
[fujitsu] init_model: finish
[fujitsu] init_user: start
[fujitsu] init_user: finish
[fujitsu] init_options: start
[fujitsu] init_options: finish
[fujitsu] disconnect_fd: start
[fujitsu] disconnecting scsi device
[fujitsu] disconnect_fd: finish
[fujitsu] attach_one: finish
[fujitsu] find_scanners: looking for 'usb 0x04c5 0x1041'
[fujitsu] find_scanners: looking for 'usb 0x04c5 0x1042'
[fujitsu] find_scanners: looking for 'usb 0x04c5 0x1095'
[fujitsu] find_scanners: looking for 'usb 0x04c5 0x1096'
[fujitsu] find_scanners: looking for 'usb 0x04c5 0x1097'
[fujitsu] find_scanners: looking for 'usb 0x04c5 0x10ad'
[fujitsu] find_scanners: looking for 'usb 0x04c5 0x10ae'
[fujitsu] find_scanners: looking for 'usb 0x04c5 0x10af'
[fujitsu] find_scanners: looking for 'usb 0x04c5 0x10e0'
[fujitsu] find_scanners: looking for 'usb 0x04c5 0x10e1'
[fujitsu] find_scanners: looking for 'usb 0x04c5 0x10e2'
[fujitsu] find_scanners: looking for 'usb 0x04c5 0x10e7'
[fujitsu] find_scanners: looking for 'usb 0x04c5 0x10f2'
[fujitsu] find_scanners: looking for 'usb 0x04c5 0x10fe'
[fujitsu] find_scanners: found scanner /dev/sg0
[fujitsu] find_scanners: found 1 scanner(s)
[fujitsu] find_scanners: finish
[fujitsu] sane_get_devices: finish
[fujitsu] sane_open: start
[fujitsu] sane_open: searching currently attached scanners
[fujitsu] sane_open: device /dev/sg0 requested
[fujitsu] sane_open: device /dev/sg0 found
[fujitsu] connect_fd: start
[fujitsu] connect_fd: opening SCSI device
[fujitsu] wait_scanner: start
[fujitsu] do_scsi_cmd: start
[fujitsu] do_scsi_cmd: finish
[fujitsu] wait_scanner: finish
[fujitsu] connect_fd: finish
[fujitsu] sane_open: finish
[fujitsu] sane_start: start
[fujitsu] started=0, img_count=0, source=1
[fujitsu] sane_get_parameters: start
[fujitsu] sane_get_parameters: xres=600, tlx=0, brx=10200, pw=10200, maxx=10200
[fujitsu] sane_get_parameters: yres=600, tly=0, bry=13200, ph=13200, maxy=33600
[fujitsu] sane_get_parameters: user_x=5100, user_y=6600
[fujitsu] sane_get_parameters: updating
[fujitsu] sane_get_parameters: scan_x=5096, Bpl=637, depth=1
[fujitsu] sane_get_parameters: scan_y=6600, frame=0, last=1
[fujitsu] sane_get_parameters: finish
[fujitsu] set_window: start
[fujitsu] do_scsi_cmd: start
[fujitsu] do_scsi_cmd: finish
[fujitsu] set_window: finish
[fujitsu] scanner_control: start
[fujitsu] scanner_control: power up lamp...
[fujitsu] do_scsi_cmd: start
[fujitsu] do_scsi_cmd: finish
[fujitsu] scanner_control: lamp on, tries 1, ret 0
[fujitsu] scanner_control: finish
[fujitsu] setup_buffers: start
[fujitsu] setup_buffers: finish
[fujitsu] object_position: start
[fujitsu] object_position: load
[fujitsu] do_scsi_cmd: start
[fujitsu] do_scsi_cmd: finish
[fujitsu] wait_scanner: start
[fujitsu] do_scsi_cmd: start
[fujitsu] do_scsi_cmd: finish
[fujitsu] wait_scanner: finish
[fujitsu] object_position: finish
[fujitsu] start_scan: start
[fujitsu] do_scsi_cmd: start
[fujitsu] do_scsi_cmd: finish
[fujitsu] start_scan: finish
[fujitsu] started=1, img_count=0, source=1
[fujitsu] sane_start: finish
[fujitsu] sane_get_parameters: start
[fujitsu] sane_get_parameters: xres=600, tlx=0, brx=10193, pw=10200, maxx=10200
[fujitsu] sane_get_parameters: yres=600, tly=0, bry=13200, ph=13200, maxy=33600
[fujitsu] sane_get_parameters: user_x=5096, user_y=6600
[fujitsu] sane_get_parameters: scan_x=5096, Bpl=637, depth=1
[fujitsu] sane_get_parameters: scan_y=6600, frame=0, last=1
[fujitsu] sane_get_parameters: copying to caller
[fujitsu] sane_get_parameters: finish
scanimage: scanning image of size 5096x6600 pixels at 1 bits/pixel
scanimage: acquiring gray frame
P4
# SANE data follows
5096 6600
[fujitsu] sane_read: start
[fujitsu] read_from_scanner: start
[fujitsu] read_from_scanner: si:0 to:4204200 rx:0 re:4204200 bu:131072 pa:130585
[fujitsu] do_scsi_cmd: start