The front bellow is the same to rear bellow with the same P/N: 711-1502-E04
1.Turn printer off, unplug the main power cable.
2. Open the front door of printing chamber, locate the 3 screws red highlighted in Figure-1, and remove them.
3. Open the top door, take the rear mounting of rear bellow out a bit, remove 5 screws red highlighted in Figure-2, and separate the rear edge of bellow from the rear mounting plate.
4. Press the rear bellow a little bit down (Figure-3), makes the 5 locking screws available (red highlighted in Figure-4), and remove them.
5. Now, you are able to take the old rear bellow out and install the new rear bellow.
1. Open the top door, remove the 5 screws red highlighted in Figure-5, and take the cover out to make the locking screws of front bellow available.
2. Remove the 5 screws red highlighted in Figure-6 and separate the front edge of bellow from the cover.
3. Remove the 5 nuts red highlighted in Figure-7. Now you are able to take the old front bellow out and install the new one.