- Turn the machine off and disconnect the machine power cord before you start this procedure.
 
Remove the filament tape [A].
- Move the mail box carefully. It is easy to cause damage to the corner leaf plate [B].
 
If the Cover Interposer Tray CI4040 is installed on the Finisher SR4120 or Booklet Finisher SR4130, remove it.
- The Cover Interposer Tray CI4040 and mail box cannot be installed on the finisher at the same time.
 
- Remove the finisher from the main machine.
- Disconnect the finisher connector [A] from the machine.
 - Open the front door [A] of the finisher, and pull the lock lever [B].
 - Remove the finisher from the main machine.
 
 - Disconnect the finisher connector [A] from the machine.
 Remove the top cover [A] from the finisher.
Be careful that the guide plates and other parts inside the finisher do not become deformed.
- Install the finisher on the main machine.
- Slowly push the finisher against the left side of the machine, keeping its front door open until the brackets go into their slots.
 - Push the lock lever [A], and then secure it.
 - Connect the finisher connector [A] to the machine.
 
 - Slowly push the finisher against the left side of the machine, keeping its front door open until the brackets go into their slots.
 - Attach the guide plate [A] to the top of the finisher.
 - Attach the mail box [A] to the top of the finisher (M3 x 8).
 - Attach the 9 trays [B] to the mail box.
 - Give the decals [C] to the customer. The customer will write on these and attach them at the correct location.
 - Turn ON the main power switch of the machine.
 - Check the operation.