[sane-devel] epson perfection 4490 photo

Spinach Williams spinach.williams at gmail.com
Tue Oct 28 17:22:46 UTC 2014


hello, i've recently gotten an epson perfection 4490 photo scanner, which
works fairly well except that xsane will not scan in its optical resolution
of 4800x4800 dpi and none of several frontends i've tried, including iscan
downloaded from epson's own website, can access the scanner's infrared dust
removal (digital ice) when scanning film. looking through mailing list
archives, i've found that ir dust removal is and has long been supported in
a few other scanners, such as the nikon coolscan series, and so i was
wondering what, if anything, can be done to utilize dust removal in this
scanner. thank you all for your time.

-spinach

p.s. -- from the output of sane-find-scanner -v -v:

<device descriptor of 0x04b8/0x0119 at 001:072 (EPSON EPSON Scanner)>
bLength               18
bDescriptorType       1
bcdUSB                2.00
bDeviceClass          255
bDeviceSubClass       255
bDeviceProtocol       255
bMaxPacketSize0       64
idVendor              0x04B8
idProduct             0x0119
bcdDevice             1.00
iManufacturer         1 (EPSON)
iProduct              2 (EPSON Scanner)
iSerialNumber         0 ()
bNumConfigurations    1
 <configuration 0>
 bLength              9
 bDescriptorType      2
 wTotalLength         32
 bNumInterfaces       1
 bConfigurationValue  1
 iConfiguration       0 ()
 bmAttributes         192 (Self-powered)
 MaxPower             2 mA
  <interface 0>
   <altsetting 0>
   bLength            9
   bDescriptorType    4
   bInterfaceNumber   0
   bAlternateSetting  0
   bNumEndpoints      2
   bInterfaceClass    255
   bInterfaceSubClass 255
   bInterfaceProtocol 255
   iInterface         0 ()
    <endpoint 0>
    bLength           7
    bDescriptorType   5
    bEndpointAddress  0x81 (in 0x01)
    bmAttributes      2 (bulk)
    wMaxPacketSize    512
    bInterval         255 ms
    bRefresh          0
    bSynchAddress     0
    <endpoint 1>
    bLength           7
    bDescriptorType   5
    bEndpointAddress  0x02 (out 0x02)
    bmAttributes      2 (bulk)
    wMaxPacketSize    512
    bInterval         255 ms
    bRefresh          0
    bSynchAddress     0
found USB scanner (vendor=0x04b8 [EPSON], product=0x0119 [EPSON Scanner])
at libusb:001:072
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