Lexmark X5250
USB
0x043D
0x0093
Lexmark provides a developer's kit for Linux on their website. Maybe it can be used to write a backend for this scanner?
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=043d ProdID=0093 Rev= 0.01 S: Manufacturer=Lexmark S: Product=Lexmark 5200 Series S: SerialNumber=21D0185113002MM C:* #Ifs= 3 Cfg#= 1 Atr=c0 MxPwr= 16mA I: If#= 0 Alt= 0 #EPs= 4 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none) E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=87(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=07(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms I: If#= 1 Alt= 0 #EPs= 2 Cls=07(print) Sub=01 Prot=02 Driver=usblp E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms I: If#= 2 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=00 Driver=usbhid E: Ad=83(I) Atr=03(Int.) MxPS= 8 Ivl=100ms <device descriptor of 0x043d/0x0093 at 001:003 (Lexmark Lexmark 5200 Series)> bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 0 bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x043D idProduct 0x0093 bcdDevice 0.01 iManufacturer 1 (Lexmark) iProduct 2 (Lexmark 5200 Series) iSerialNumber 3 (21D018504000F5A) bNumConfigurations 1 <configuration 0> bLength 9 bDescriptorType 2 wTotalLength 94 bNumInterfaces 3 bConfigurationValue 1 iConfiguration 0 () bmAttributes 192 (Self-powered) MaxPower 16 mA <interface 0> <altsetting 0> bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 4 bInterfaceClass 255 bInterfaceSubClass 255 bInterfaceProtocol 255 iInterface 4 (Scan) <endpoint 0> bLength 7 bDescriptorType 5 bEndpointAddress 0x82 (in 0x02) bmAttributes 2 (bulk) wMaxPacketSize 64 bInterval 0 ms bRefresh 0 bSynchAddress 0 <endpoint 1> bLength 7 bDescriptorType 5 bEndpointAddress 0x02 (out 0x02) bmAttributes 2 (bulk) wMaxPacketSize 64 bInterval 0 ms bRefresh 0 bSynchAddress 0 <endpoint 2> bLength 7 bDescriptorType 5 bEndpointAddress 0x87 (in 0x07) bmAttributes 2 (bulk) wMaxPacketSize 64 bInterval 0 ms bRefresh 0 bSynchAddress 0 <endpoint 3> bLength 7 bDescriptorType 5 bEndpointAddress 0x07 (out 0x07) bmAttributes 2 (bulk) wMaxPacketSize 64 bInterval 0 ms bRefresh 0 bSynchAddress 0 <interface 1> <altsetting 0> bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 7 bInterfaceSubClass 1 bInterfaceProtocol 2 iInterface 5 (Print) <endpoint 0> bLength 7 bDescriptorType 5 bEndpointAddress 0x81 (in 0x01) bmAttributes 2 (bulk) wMaxPacketSize 64 bInterval 0 ms bRefresh 0 bSynchAddress 0 <endpoint 1> bLength 7 bDescriptorType 5 bEndpointAddress 0x01 (out 0x01) bmAttributes 2 (bulk) wMaxPacketSize 64 bInterval 0 ms bRefresh 0 bSynchAddress 0 <interface 2> <altsetting 0> bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 6 (Hid) <endpoint 0> bLength 7 bDescriptorType 5 bEndpointAddress 0x83 (in 0x03) bmAttributes 3 (interrupt) wMaxPacketSize 8 bInterval 100 ms bRefresh 0 bSynchAddress 0 <trying to find out which USB chip is used> checking for GT-6801 ... this is not a GT-6801 (bDeviceClass = 0) checking for GT-6816 ... this is not a GT-6816 (bcdUSB = 0x200) checking for MA-1017 ... this is not a MA-1017 (bDeviceClass = 0, bInterfaceClass = 255) checking for MA-1015 ... this is not a MA-1015 (bDeviceClass = 0) checking for MA-1509 ... this is not a MA-1509 (bDeviceClass = 0) checking for LM983[1,2,3] ... this is not a LM983x (bcdUSB = 0x200) checking for GL646 ... this is not a GL646 (bDeviceClass = 0, bInterfaceClass = 255) checking for GL646_HP ... this is not a GL646_HP (bDeviceClass = 0, bInterfaceClass = 255) checking for GL660+GL646 ... this is not a GL660+GL646 (bDeviceClass = 0, bInterfaceClass = 255) checking for GL841 ... this is not a GL841 (bDeviceClass = 0, bInterfaceClass = 255) checking for ICM532B ... check 1, this is not a ICM532B (bDeviceClass = 0, bInterfaceClass = 255) <Couldn't determine the type of the USB chip> found USB scanner (vendor=0x043d [Lexmark], product=0x0093 [Lexmark 5200 Series] ) at libusb:001:003
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