- Remove the rear left cover. (Removing the Rear Left Cover)
- Remove the lower bracket [A].

- Open the clamps to release the harness attached to the middle stage.

- Remove the bracket [A] attached to the middle stage.

- Remove the fixing screws from the base [A].

- Pull out the base [A], and then disconnect the connectors.

- Lay the base [A] on the both side boards [B].

- Hold the base [A] temporarily in the space.

- Remove the connector and the clamps of the supply unit pump that need to be replaced.

- Remove the fixing screws of the supply unit pump that need to be replaced from underside.

- Disconnect the assembling section [A] of the ink tube of the supply unit pump that need to be replaced.

- Fix the ink tubes with the clamps with their ink tube ports turning upward.

- Pull out the supply unit pump [A].
