diff --git a/ChangeLog b/ChangeLog
index 0d8e8ea80..6a1c93689 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2005-12-10  Henning Meier-Geinitz <henning@meier-geinitz.de>
+
+	* doc/descriptions-external/hp3500.desc: Added .desc file for new
+	  external backend hp3500 which provides support for the HP ScanJet
+	  3500 series.
+
 2005-12-09  Henning Meier-Geinitz <henning@meier-geinitz.de>
 
 	* doc/descriptions-external/brother-mfc4600.desc: Added .desc file
diff --git a/doc/descriptions-external/hp3500.desc b/doc/descriptions-external/hp3500.desc
new file mode 100644
index 000000000..5b36f685a
--- /dev/null
+++ b/doc/descriptions-external/hp3500.desc
@@ -0,0 +1,44 @@
+; SANE Backend specification file
+;
+; It's basically emacs-lisp --- so ";" indicates comment to end of line.
+; All syntactic elements are keyword tokens, followed by a string or
+;  keyword argument, as specified.
+;
+; ":backend" *must* be specified.
+; All other information is optional (but what good is the file without it?).
+;
+
+:backend "hp3500"		; name of backend
+;:version "1.0"			; version of backend
+;:manpage "sane-hp3500"		; name of manpage (if it exists)
+:url "http://projects.troy.rollo.name/rt-scanners/" ; backend's web page
+:comment "HP3500 series scanners."
+
+:devicetype :scanner		; start of a list of devices....
+				; other types:  :stillcam, :vidcam,
+				;               :meta, :api
+
+:mfg "Hewlett-Packard"		; name a manufacturer
+:url "http://www.hp.com"
+
+:model "ScanJet 3500C"		; name models for above-specified mfg.
+:interface "USB"		; interface type of the device:
+				; "SCSI", "USB", "Parport (EPP)",
+				; "Parport (SPP)", "Parport (ECP)",
+				; "Serial port" or "Propretiary".
+:status :good
+
+:model "ScanJet 3530C"		; name models for above-specified mfg.
+:interface "USB"		; interface type of the device:
+:status :good
+
+:model "ScanJet 3570C"		; name models for above-specified mfg.
+:interface "USB"		; interface type of the device:
+:status :good
+
+
+; :comment and :url specifiers are optional after :mfg, :model, :desc,
+; and at the top-level.
+
+
+