diff --git a/addprinter.asp b/addprinter.asp
index 9f2eb70..7bd8c03 100644
--- a/addprinter.asp
+++ b/addprinter.asp
@@ -333,6 +333,11 @@
           var machineAlias = machineOption.data('alias') || '';
           var machineNumber = machineOption.data('number') || '';
 
+          // Only generate if we have model AND (machine OR CSF name)
+          if (!vendor || (!csfName && !machineAlias && !machineNumber)) {
+              return; // Not enough info yet
+          }
+
           // Use alias if available, otherwise machine number
           var location = machineAlias || machineNumber;
           location = location.replace(/\s+/g, '').replace('Machine', '');