Index: hplip-3.9.4/prnt/hpijs/dj3320.cpp
===================================================================
--- hplip-3.9.4.orig/prnt/hpijs/dj3320.cpp
+++ hplip-3.9.4/prnt/hpijs/dj3320.cpp
@@ -403,7 +403,7 @@ DISPLAY_STATUS DJ3320::ParseError (BYTE 
 {
     DRIVER_ERROR err = NO_ERROR;
     BYTE byDevIDBuffer[DevIDBuffSize];
-    char *pcStr = NULL;
+    const char *pcStr = NULL;
     BYTE byStatus1, byStatus2;
 
     memset(byDevIDBuffer, 0, sizeof(byDevIDBuffer));
Index: hplip-3.9.4/prnt/hpijs/registry.cpp
===================================================================
--- hplip-3.9.4.orig/prnt/hpijs/registry.cpp
+++ hplip-3.9.4/prnt/hpijs/registry.cpp
@@ -292,7 +292,7 @@ DRIVER_ERROR DeviceRegistry::SelectDevic
             device = eDJ3320;
             match = TRUE;
         }
-		char	*cmdStr = strstr ((const char *) DevIDBuffer+2, "CMD:");
+		const char	*cmdStr = strstr ((const char *) DevIDBuffer+2, "CMD:");
 		if (!cmdStr)
 		{
 			cmdStr = strstr ((const char *) DevIDBuffer+2, "COMMAND SET:");