diff --git a/doc/descriptions/pixma.desc b/doc/descriptions/pixma.desc
index 209bf77fc..c2e15aeb4 100644
--- a/doc/descriptions/pixma.desc
+++ b/doc/descriptions/pixma.desc
@@ -296,3 +296,18 @@
 :usbid "0x04a9" "0x26b5"
 :status :good
 :comment "Flatbed and ADF scan.  All resolutions supported (up to 600DPI)"
+
+:model "imageCLASS MF4690"
+:interface "USB"
+:status :unsupported
+:comment "USB IDs needed!"
+
+:model "imageCLASS MF4010"
+:interface "USB"
+:status :unsupported
+:comment "USB IDs needed!"
+
+:model "imageCLASS MF6500 series"
+:interface "USB"
+:status :unsupported
+:comment "USB IDs needed!"