# Ink System Unit - Before replacement

1. Start service support mode.
   
2. Select [05 Adjustment for Replacement Parts].
   
3. Select [Main Unit] tab.
4. Select [5010201 Ink System Unit].
5. Select [Before Parts Replacement].
   
6. Press [Execution].
   
7. Press [Yes] to reset the counter.
   
8. Turn Off the main unit when the following screen is displayed.
   
   After replacement menu will start automatically at next startup.