# Ink Supply Unit Before Parts Replacement

#Procedure

1. Start the service support mode. (Starting Service Support Mode)
2. Select [05 Adjustment for Replacement Parts].
   
3. Select [501 Main Unit].
   
4. Select [50101 Head & Ink Path].
   
5. Select [5010102 Ink Supply Unit].
   
6. Select [Before Parts Replacement].
   
7. Press [Start].
   
8. Turn the power OFF.
   When the power of the product is turned ON, the product starts in service support mode, and the [After Parts Replacement] screen of the Ink Supply Unit is displayed.