HP/Xerox use universal installer, warn about unsupported vendors

- HP and Xerox printers: universal installer (one batch call)
- Non-HP/Xerox with installpath: use specific installer
- Non-HP/Xerox without installpath: show warning for manual install

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

install_printer.asp

@@ -204,16 +204,35 @@ Else
     Set universalPrinters = Server.CreateObject("Scripting.Dictionary")
     universalNames = ""
 
-    ' Force ALL printers through universal installer (ignore specific installers)
+    ' HP and Xerox use universal installer, others need specific installers
+    Dim skippedPrinters
+    Set skippedPrinters = Server.CreateObject("Scripting.Dictionary")
+
     For Each printerKey In printers.Keys
         Set printer = printers(printerKey)
+        If printer("vendor") = "HP" Or printer("vendor") = "Xerox" Then
             universalPrinters.Add printerKey, printer
             If universalNames <> "" Then universalNames = universalNames & ","
             universalNames = universalNames & printer("standardname")
+        ElseIf printer("installpath") <> "" Then
+            specificInstallers.Add printerKey, printer
+        Else
+            skippedPrinters.Add printerKey, printer
+        End If
     Next
 
-    ' Skip specific installers - all printers use universal installer now
-    ' Process printers with specific installers first (silent mode)
+    ' Warn about printers that can't be installed
+    If skippedPrinters.Count > 0 Then
+        Response.Write("echo." & vbCrLf)
+        Response.Write("echo *** WARNING: The following printers require manual installation ***" & vbCrLf)
+        For Each printerKey In skippedPrinters.Keys
+            Set printer = skippedPrinters(printerKey)
+            Response.Write("echo   - " & printer("standardname") & " (" & printer("vendor") & ")" & vbCrLf)
+        Next
+        Response.Write("echo." & vbCrLf)
+    End If
+
+    ' Process non-HP/Xerox printers with specific installers (e.g., HID card printers)
     For Each printerKey In specificInstallers.Keys
         Set printer = specificInstallers(printerKey)