Discussion:
Can't use scanner on Mac High Sierra (10.13)
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Tom Myers
2017-10-25 23:13:30 UTC
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I have been able to build the SANE-Backends-1.0.27 But running it gives a problem on USB scanners. It works fine with network scanner

——————— Building ---------------

./configure BACKENDS="epson2" PRELOADABLE_BACKENDS="epson2" --with-usb
make
make install

Note it would be great if the epson2.desc file be updated for the new 12000XL

:model "Expression 12000XL"
:interface "USB"
:usbid "0x04b8" "0x015b"
:status :good
:comment "overseas version of the DS-G20000"

——————— LibUSB ————
I am using libusb 1.0.21

(found from brew list —versions)

————— Testing -------------

BUG Report

sane-find-scanner returns

# sane-find-scanner will now attempt to detect your scanner. If the
# result is different from what you expected, first make sure your
# scanner is powered up and properly connected to your computer.

# No SCSI scanners found. If you expected something different, make sure that
# you have loaded a kernel SCSI driver for your SCSI adapter.

found USB scanner (vendor=0x0bda [Realtek], product=0x8153 [USB 10/100/1000 LAN]) at libusb:001:006
could not fetch string descriptor: Pipe error
could not fetch string descriptor: Pipe error
could not fetch string descriptor: Pipe error
could not fetch string descriptor: Pipe error
# Your USB scanner was (probably) detected. It may or may not be supported by
# SANE. Try scanimage -L and read the backend's manpage.

# Not checking for parallel port scanners.

# Most Scanners connected to the parallel port or other proprietary ports
# can't be detected by this program.

# You may want to run this program as root to find all devices. Once you
# found the scanner devices, be sure to adjust access permissions as
# necessary.


——————————— And more verbose

sane-find-scanner -v -v
This is sane-find-scanner from sane-backends 1.0.27

# sane-find-scanner will now attempt to detect your scanner. If the
# result is different from what you expected, first make sure your
# scanner is powered up and properly connected to your computer.

searching for SCSI scanners:
# No SCSI scanners found. If you expected something different, make sure that
# you have loaded a kernel SCSI driver for your SCSI adapter.

searching for USB scanners:
trying libusb:

<device descriptor of 0x0bda/0x8153 at 001:006 (Realtek USB 10/100/1000 LAN)>
bLength 18
bDescriptorType 1
bcdUSB 3.00
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 9
idVendor 0x0BDA
idProduct 0x8153
bcdDevice 48.00
iManufacturer 1 (Realtek)
iProduct 2 (USB 10/100/1000 LAN)
iSerialNumber 6 (000001000000)
bNumConfigurations 2
<configuration 0>
bLength 9
bDescriptorType 2
wTotalLength 57
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0 ()
bmAttributes 160 (Remote Wakeup)
MaxPower 64 mA
<interface 0>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 3
bInterfaceClass 255
bInterfaceSubClass 255
bInterfaceProtocol 0
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 2 (bulk)
wMaxPacketSize 1024
bInterval 0 ms
bRefresh 0
bSynchAddress 0
<endpoint 1>
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 (out 0x02)
bmAttributes 2 (bulk)
wMaxPacketSize 1024
bInterval 0 ms
bRefresh 0
bSynchAddress 0
<endpoint 2>
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 (in 0x03)
bmAttributes 3 (interrupt)
wMaxPacketSize 2
bInterval 8 ms
bRefresh 0
bSynchAddress 0
<configuration 1>
bLength 9
bDescriptorType 2
wTotalLength 98
bNumInterfaces 2
bConfigurationValue 2
iConfiguration 0 ()
bmAttributes 160 (Remote Wakeup)
MaxPower 64 mA
<interface 0>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 2
bInterfaceSubClass 6
bInterfaceProtocol 0
iInterface 5 (CDC Communications Control)
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 (in 0x03)
bmAttributes 3 (interrupt)
wMaxPacketSize 16
bInterval 8 ms
bRefresh 0
bSynchAddress 0
<interface 1>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 10
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0 ()
<altsetting 1>
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 1
bNumEndpoints 2
bInterfaceClass 10
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 4 (Ethernet Data)
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 2 (bulk)
wMaxPacketSize 1024
bInterval 0 ms
bRefresh 0
bSynchAddress 0
<endpoint 1>
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 (out 0x02)
bmAttributes 2 (bulk)
wMaxPacketSize 1024
bInterval 0 ms
bRefresh 0
bSynchAddress 0

<trying to find out which USB chip is used>
checking for LM983[1,2,3] ...
this is not a LM983x (bcdUSB = 0x300)
checking for GT-6801 ...
this is not a GT-6801 (bDeviceClass = 0)
checking for GT-6816 ...
this is not a GT-6816 (bcdUSB = 0x300)
checking for GLxxx ...
this is not a GL646 (bDeviceClass = 0, bInterfaceClass = 255)
this is not a GLxxx (bDeviceClass = 0, bInterfaceClass = 255)
<Couldn't determine the type of the USB chip (result from sane-backends 1.0.27)>

found USB scanner (vendor=0x0bda [Realtek], product=0x8153 [USB 10/100/1000 LAN]) at libusb:001:006
device 0x04b8/0x0129 at 020:011 is not configured
could not fetch string descriptor: Pipe error
could not fetch string descriptor: Pipe error

<device descriptor of 0x2109/0x2812 at 020:010>
bLength 18
bDescriptorType 1
bcdUSB 2.10
bDeviceClass 9
bDeviceSubClass 0
bDeviceProtocol 1
bMaxPacketSize0 64
idVendor 0x2109
idProduct 0x2812
bcdDevice 144.90
iManufacturer 1 ()
iProduct 2 ()
iSerialNumber 0 ()
bNumConfigurations 1
<configuration 0>
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0 ()
bmAttributes 224 (Self-poweredRemote Wakeup)
MaxPower 0 mA
<interface 0>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 3 (interrupt)
wMaxPacketSize 1
bInterval 12 ms
bRefresh 0
bSynchAddress 0
could not fetch string descriptor: Pipe error
could not fetch string descriptor: Pipe error

<device descriptor of 0x2109/0x0812 at 001:005>
bLength 18
bDescriptorType 1
bcdUSB 3.00
bDeviceClass 9
bDeviceSubClass 0
bDeviceProtocol 3
bMaxPacketSize0 9
idVendor 0x2109
idProduct 0x0812
bcdDevice 144.91
iManufacturer 1 ()
iProduct 2 ()
iSerialNumber 0 ()
bNumConfigurations 1
<configuration 0>
bLength 9
bDescriptorType 2
wTotalLength 31
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0 ()
bmAttributes 224 (Self-poweredRemote Wakeup)
MaxPower 0 mA
<interface 0>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0 ()
<endpoint 0>
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 (in 0x01)
bmAttributes 19 (interrupt)
wMaxPacketSize 2
bInterval 8 ms
bRefresh 0
bSynchAddress 0

<device descriptor of 0x2109/0x0100 at 020:001 (VIA Technologies Inc. USB-C dongle)>
bLength 18
bDescriptorType 1
bcdUSB 2.01
bDeviceClass 17
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x2109
idProduct 0x0100
bcdDevice 6.03
iManufacturer 1 (VIA Technologies Inc. )
iProduct 2 (USB-C dongle)
iSerialNumber 3 (0000000000000001)
bNumConfigurations 1
<configuration 0>
bLength 9
bDescriptorType 2
wTotalLength 18
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 4 (http://help.vesa.org/dp-usb-type-c/)
bmAttributes 128 ()
MaxPower 100 mA
<interface 0>
<altsetting 0>
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 17
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 4 (http://help.vesa.org/dp-usb-type-c/)
# Your USB scanner was (probably) detected. It may or may not be supported by
# SANE. Try scanimage -L and read the backend's manpage.

# Not checking for parallel port scanners.

# Most Scanners connected to the parallel port or other proprietary ports
# can't be detected by this program.

# You may want to run this program as root to find all devices. Once you
# found the scanner devices, be sure to adjust access permissions as
# necessary.
done
ITALex15:sane-backends-1.0.27 tmyers$
Olaf Meeuwissen
2017-11-09 12:51:59 UTC
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Hi Tom,
I have been able to build the SANE-Backends-1.0.27 But running it
gives a problem on USB scanners. It works fine with network scanner
――――――― Building ---------------
./configure BACKENDS="epson2" PRELOADABLE_BACKENDS="epson2" --with-usb
make
make install
Note it would be great if the epson2.desc file be updated for the new 12000XL
:model "Expression 12000XL"
:interface "USB"
:usbid "0x04b8" "0x015b"
:status :good
:comment "overseas version of the DS-G20000"
I'd gladly do so but ... seeing that you have trouble using it via USB
on your Mac, what makes you confidently say that this should be added to
the epson2.desc file?

Hope this helps,
--
Olaf Meeuwissen, LPIC-2 FSF Associate Member since 2004-01-27
GnuPG key: F84A2DD9/B3C0 2F47 EA19 64F4 9F13 F43E B8A4 A88A F84A 2DD9
Support Free Software https://my.fsf.org/donate
Join the Free Software Foundation https://my.fsf.org/join
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Olaf Meeuwissen
2017-11-18 08:48:23 UTC
Permalink
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Hi again,
Post by Olaf Meeuwissen
Hi Tom,
Cc:ing the list for the benefit of everyone.
I have faith that we will get the code to work with High Sierra. I
have now been able to build the software now and in my “spare” time
trying to debug why it isn’t connecting. It works on 10.11, but not
10.12 or 10.13 so I am hopeful either I find the problem or the group
finds the issue. I figured since I have access to the 12000XL and
noticed it wasn’t in there I would share it with the group.
Thanks for all the work you do.
Post by Olaf Meeuwissen
Hi Tom,
I have been able to build the SANE-Backends-1.0.27 But running it
gives a problem on USB scanners. It works fine with network scanner
――――――― Building ---------------
./configure BACKENDS="epson2" PRELOADABLE_BACKENDS="epson2" --with-usb
make
make install
Note it would be great if the epson2.desc file be updated for the new 12000XL
:model "Expression 12000XL"
:interface "USB"
:usbid "0x04b8" "0x015b"
:status :good
:comment "overseas version of the DS-G20000"
I'd gladly do so but ... seeing that you have trouble using it via USB
on your Mac, what makes you confidently say that this should be added to
the epson2.desc file?
So seeing that it works on 10.11 (but not on 10.12 and 10.13, yet?),
I'll add it to the epson2.desc (and epson2_usb.c) file.
Done. Changes are in d6a93b83.

Hope this helps,
--
Olaf Meeuwissen, LPIC-2 FSF Associate Member since 2004-01-27
GnuPG key: F84A2DD9/B3C0 2F47 EA19 64F4 9F13 F43E B8A4 A88A F84A 2DD9
Support Free Software https://my.fsf.org/donate
Join the Free Software Foundation https://my.fsf.org/join
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