diff --git a/README b/README
index 843946d..a6b9185 100644
--- a/README
+++ b/README
@@ -25,11 +25,12 @@
    Kodak 6850 Photo Printer
    Shinko CHC-S2145 (aka "Sinfonia S2")
    Sony UP-DR150
+   DNP DS40
+   DNP DS80 
 
  Work-in-progress printers:
 
    Mitsubishi CP-D70DW, CP-D707DW and CP-K60DW
-   DNP DS40 and DS80 
    Sony UP-DR200
 
  ***************************************************************************
@@ -313,9 +314,6 @@
     DNP DS40
     DNP DS80
 
-   NOTE:  This backend has **NOT** been tested with spooling operation, but
-          is known to work for the various status/etc commands.
-
    This backend supports additional commands:
 
       dnpds40 [command [arg] ]
diff --git a/backend_dnpds40.c b/backend_dnpds40.c
index 4c48c39..756568d 100644
--- a/backend_dnpds40.c
+++ b/backend_dnpds40.c
@@ -334,7 +334,7 @@ static int dnpds40_read_parse(void *vctx, int data_fd) {
 	if (i < 0)
 		return i;
 
-	ctx->databuf += i;
+	ctx->datalen += i;
 
 	// XXX no way to figure out print job length without parsing stream
 	// until we get to the plane data
@@ -803,7 +803,7 @@ static int dnpds40_cmdline_arg(void *vctx, int run, char *arg1, char *arg2)
 /* Exported */
 struct dyesub_backend dnpds40_backend = {
 	.name = "DNP DS40/DS80",
-	.version = "0.14",
+	.version = "0.15",
 	.uri_prefix = "dnpds40",
 	.cmdline_usage = dnpds40_cmdline,
 	.cmdline_arg = dnpds40_cmdline_arg,
diff --git a/testjobs/dnp_ds80_8x12.raw b/testjobs/dnp_ds80_8x12.raw
new file mode 100644
index 0000000..f386f68
--- /dev/null
+++ b/testjobs/dnp_ds80_8x12.raw
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2c01a2427da0d0a4ca596b3979b456326ed7f49e33db7477869ac03cf75e6469
+size 27928072