AutoPrint says the bed isn't clear (AI bed check)

You see the red banner "AI detected bed not clear" ("AutoPrint is paused until the print is removed from the bed"), and the AI card reads "Print detected". AutoPrint thinks your last print is still on the plate. This is usually a timing issue, not a broken printer, and it is quick to fix.

What this means

AutoPrint tells you why it is waiting. In the printer's control panel, the AutoPrint widget shows a status banner and a troubleshooting checklist that names the exact reason the next print has not started - so if you are ever unsure, start there.

AI bed check looks at the printer's camera after clearing to confirm the bed is empty before the next print starts. The catch is timing: if your "Clear bed timeout" is too short (for example 0 or 10 seconds), the AI takes its photo before the part has physically been ejected, sees the old print still there, and reports the bed as not clear - so AutoPrint pauses and waits for you to remove the part. If the camera can't get a clear read at all, it tries a couple of times before asking you to step in.

How to fix it

• Set "Clear bed timeout" to at least 60 seconds - longer than your bed-clearing move actually takes. The settings panel warns you to do this when AI bed check is on.
• Check the camera can see the whole plate with decent lighting, so it can tell a clear bed from a printed one.
• If the bed really is clear, click "Mark as removed" to continue, or turn off AI bed check.

Related

• AutoPrint: safety and verification

Updated on: 04/07/2026