diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+# 1.4.1
+
+* Support fonts used by FEIB.
+
 # 1.4.0
 
 * Switch to hashtables & hashable packages for GHC 7.8.1 compatibility.
diff --git a/OpenAFP.cabal b/OpenAFP.cabal
--- a/OpenAFP.cabal
+++ b/OpenAFP.cabal
@@ -1,5 +1,5 @@
 name:               OpenAFP
-version:            1.4.0
+version:            1.4.1
 license:            PublicDomain
 License-file:       LICENSE
 cabal-version:      >= 1.6
diff --git a/src/OpenAFP/Internals/Ebc2Asc.hs b/src/OpenAFP/Internals/Ebc2Asc.hs
--- a/src/OpenAFP/Internals/Ebc2Asc.hs
+++ b/src/OpenAFP/Internals/Ebc2Asc.hs
@@ -192,6 +192,10 @@
 
 fontInfoOf :: ByteString -> (Encoding, Size)
 fontInfoOf f
+    | C.pack "X1M" `C.isPrefixOf` font
+    = (CP835, 24) -- X1MB, X1MN, etc. (FEIB)
+    | C.pack "X1TRN" `C.isPrefixOf` font
+    = (CP37, 24) -- (FEIB)
     | (C.length font == 8) && (C.head font == 'X')
     = (CP950, 10) -- X08PD0SB etc. (TBB)
     | C.pack "T0XXXX" `C.isPrefixOf` font