# XP600 extend board: Out = printhead, In = carriage board

- Source-Date (SAST): 2025-05-08 07:44
- Dest: both
- Review-after: 2027-08-31
- Status: current

## Facts

- On the XP600 extend board, **Out** is for the printhead. **In** is for the carriage board. Do not reverse them.