fujitsu.desc: add new line of Ricoh scanners

Fujitsu has transfered their line of scanners to Ricoh, initially
keeping the same USB VID and PID. So we duplicate all current
models into a Ricoh section.

doc/descriptions/fujitsu.desc

@@ -13,11 +13,12 @@
 :backend "fujitsu"               ; name of backend
 :version "139"                   ; version of backend
 :manpage "sane-fujitsu"          ; name of manpage (if it exists)
-:comment "Backend updated for SANE release 1.1.2, see sane-fujitsu manpage"
+:comment "This backend supports most Fujitsu and Ricoh fi-series and similar scanners. See manpage for details."
 :devicetype :scanner             ; start of a list of devices....
                                  ; other types:  :stillcam, :vidcam,
                                  ;               :meta, :api
 
+;==================================================
 :mfg "Fujitsu"                   ; name a manufacturer
 :url "http://www.fujitsu.com/"
 :url "https://fujitsuscanners.com/"
@@ -676,3 +677,141 @@
 :interface "USB"
 :status :good
 :usbid "0x04c5" "0x162e"
+
+
+;==================================================
+:mfg "Ricoh"                   ; name a manufacturer
+:url "http://www.ricoh.com/"
+
+:model "ScanSnap iX1600"
+:interface "USB WiFi"
+:status :good
+:usbid "0x04c5" "0x1632"
+:comment "WiFi not supported."
+
+:model "ScanSnap iX1400"
+:interface "USB"
+:status :untested
+:usbid "0x04c5" "0x1630"
+
+:model "fi-8190"
+:interface "USB"
+:status :good
+:usbid "0x04c5" "0x15fd"
+:comment "Ethernet not supported."
+
+:model "fi-8290"
+:interface "USB"
+:status :good
+:usbid "0x04c5" "0x15fe"
+:comment "Ethernet not supported."
+
+:model "fi-8170"
+:interface "USB"
+:status :good
+:usbid "0x04c5" "0x15ff"
+:comment "Ethernet not supported."
+
+:model "fi-8270"
+:interface "USB"
+:status :good
+:usbid "0x04c5" "0x1600"
+:comment "Ethernet not supported."
+
+:model "fi-8150"
+:interface "USB"
+:status :good
+:usbid "0x04c5" "0x1601"
+:comment "Ethernet not supported."
+
+:model "fi-8250"
+:interface "USB"
+:status :good
+:usbid "0x04c5" "0x1602"
+:comment "Ethernet not supported."
+
+:model "fi-8150U"
+:interface "USB"
+:status :good
+:usbid "0x04c5" "0x162d"
+
+:model "fi-8250U"
+:interface "USB"
+:status :good
+:usbid "0x04c5" "0x162e"
+
+:model "ScanSnap iX1300"
+:interface "USB WiFi"
+:status :good
+:usbid "0x04c5" "0x162c"
+:comment "WiFi not supported."
+
+:model "fi-7300NX"
+:interface "USB"
+:status :good
+:usbid "0x04c5" "0x1575"
+:comment "Ethernet and WiFi not supported."
+
+:model "fi-7480"
+:interface "USB"
+:status :good
+:usbid "0x04c5" "0x14b8"
+
+:model "fi-7460"
+:interface "USB"
+:status :good
+:usbid "0x04c5" "0x14be"
+
+:model "fi-7700"
+:interface "USB"
+:status :good
+:usbid "0x04c5" "0x1520"
+
+:model "fi-7600"
+:interface "USB"
+:status :good
+:usbid "0x04c5" "0x1521"
+
+:model "fi-7700S"
+:interface "USB"
+:status :untested
+:usbid "0x04c5" "0x1522"
+
+:model "fi-800R"
+:interface "USB"
+:status :good
+:usbid "0x04c5" "0x15fc"
+:comment "Both feed methods are supported."
+
+:model "fi-400F"
+:interface "USB"
+:status :untested
+:usbid "0x04c5" "0x151e"
+
+:model "ScanSnap SV600"
+:interface "USB"
+:status :unsupported
+:usbid "0x04c5" "0x128e"
+:comment "Also has a second USB VID 0x13ba. Will require some gymnastics to support."
+
+:model "ScanSnap iX100"
+:interface "USB WiFi"
+:status :good
+:usbid "0x04c5" "0x13f4"
+:comment "WiFi not supported."
+
+:model "N7100"
+:interface "USB Ethernet"
+:status :untested
+:usbid "0x04c5" "0x146f"
+
+:model "fi-7900"
+:interface "USB"
+:status :good
+:usbid "0x04c5" "0x160a"
+
+:model "fi-7800"
+:interface "USB"
+:status :good
+:usbid "0x04c5" "0x160b"
+