diff --git a/resources/printers/filaments_blacklist.json b/resources/printers/filaments_blacklist.json
index 88d43b636a..14f8f94af1 100644
--- a/resources/printers/filaments_blacklist.json
+++ b/resources/printers/filaments_blacklist.json
@@ -20,6 +20,20 @@
       "slot": "ext",
       "description": "Damp PVA is flexible and may get stuck in extruder. Dry it before use."
     },
+    {
+      "type": "PPS-CF",
+      "model_id":["O1S"],
+      "action": "warning",
+      "description": "PPS-CF is brittle and could break in bended PTFE tube above Toolhead.",
+      "wiki": "https://e.bambulab.com/t?c=UC64kdlpHxN3Mb15"
+    },
+    {
+      "type": "PPA-CF",
+      "model_id":["O1S"],
+      "action": "warning",
+      "description": "PPA-CF is brittle and could break in bended PTFE tube above Toolhead.",
+      "wiki": "https://e.bambulab.com/t?c=UC64kdlpHxN3Mb15"
+    },
     {
       "type_suffix": "CF",
       "action": "warning",