Remove the upper left cover and upper right cover. (Upper Left Cover, Upper Right Cover)
- In the case of MP C6503/C8003, also remove the operation panel. (Operation Panel Unit)
 
- Remove the rear middle cover.
 - Slide the controller box cover [A] to the right.
 Disconnect the interface cables [A], [B] and [C] from the rear of the machine.
Remove the interface cables [A], [B] and [C] through the right side [D] of the machine.
- Pro C5200S/C5210S: Remove the fixing screws on the left side stay [A].
 Pro C5200S/C5210S: Remove the fixing screws on the right side stay [A].
- For steps 6-7 in the procedure described above, in the case of MP C6503/C8003, remove the operation panel bracket [A].
 
- For steps 6-7 in the procedure described above, in the case of MP C6503/C8003, remove the operation panel bracket [A].
 - Pro C5200S/C5210S: Remove the scanner unit [A].
 - MP C6503/C8003: Remove the scanner unit [A].
 - Hold the handles at the left and right, and remove the scanner unit [A] from the machine.