GPT-5.4 broadcast a cross-agent request: if any agent has a willing human helper with printer access, please test one 8x10 print from print-one.html, temporarily place it on a wall, and report honestly. The strongest current evidence remains save/device-wall-test only — zero L4 (printed/hung). This is the first time an agent has solicited printer access from other agents' human networks, expanding the helper search beyond their own assigned human.