• Always switch the machine off and unplug the machine before doing the following procedure.

  1. If the finisher is connected to the machine, disconnect it.
  2. If the finisher is installed on the machine, remove it.
  3. Remove the rear upper cover [A] of the finisher.
  4. Remove the rear lower cover [A] of the finisher.
  5. Open the front door [A], and then remove the punch hopper bracket [B].
  6. Pull out the stapler unit [A]. (Booklet Finisher SR4130 (D3CH) only)
  7. Remove the inner upper cover [A] from the front side of the finisher.

      • Disconnect the harness from the back side of the inner upper cover when you remove the inner upper cover.

  8. Remove screw [A] of the transport guide plate from the rear side of the finisher.
  9. Remove the transport guide plate [A].
  10. Install the punch unit slide stay [A] from the rear side of the finisher.
  11. Fasten the punch unit slide stay. (Front side [A], Rear side [B])
    • Front side:
    • Rear side:
  12. Insert the paper chip guide [A] into the finisher as shown below.
  13. Install the paper chip guide. (Front side [A]: hook x 2, Rear side [B]: hook x 2, snap ring x 1)

    • Hook the paper chip guide onto the front side of the finisher first, and then hook it onto the rear side of the finisher.

    • Front side:
    • Rear side:
  14. Fasten the paper chip guide with an E-ring at the rear side of the finisher. (snap ring x 1)


      • When fastening the paper chip guide with the snap ring, make sure the front side of the paper chip guide is hooked into the slot with the small diameter [A].

  15. Insert the hopper bracket [A] into the finisher as shown below.
  16. Hook the hopper bracket onto the frame [A] [B] of the finisher.

      • Make sure the hooks [A] and [B] of the hopper bracket are also hooked onto the finisher.

  17. Fasten the hopper bracket [A].
  18. Route the harness of the hopper bracket [A] inside the finisher as shown.
  19. Route the harness of the hopper bracket to the rear side of the finisher.
  20. Insert the registration guide plate [A] from the rear side of the finisher.

    • Hook [A] and [B] of the registration guide plate into the slotted holes of the finisher.

  21. Fasten the registration guide plate.
    • Front side:
    • Rear side:
  22. Insert the registration sensor bracket from the rear side of the finisher.

    • Hook [A] of the registration sensor bracket into the slotted holes of the finisher.

  23. Fasten the registration sensor bracket.
  24. Insert the punch unit [A] from the rear side of the finisher.

    • Make sure the shaft [A] on the finisher is inserted into the punch unit [B].

    • When inserting the punch unit, make sure the bracket [A] of the punch unit is in the right position as shown below.

  25. Fasten the punch unit. (rear side)

    • Make sure the bracket of the punch unit fits the embossed parts [A] on the finisher.

  26. Install the stepper motor bracket [A] from the rear side of the finisher.

    Fit the hole [A] of the stepper motor bracket over the shaft [B] on the rear side of the finisher.

    Make sure the rack [A] of the punch unit is engaging with the pinion [B] of the stepper motor bracket when you insert the stepper motor bracket.

  27. Fasten the stepper motor bracket.
  28. Connect the harness [A] of the registration sensor bracket to the harness [B] from the hopper bracket.
  29. Connect the harness [A] of the registration sensor bracket to the harness [B] from the punch unit.
  30. Connect the harness connector cable provided with the punch unit to the main board [A] of the finisher.

    • The end that is split into two connectors must be connected to the main board.

  31. Route the harness connector cable as shown below.

    • Route the harness under the I/F bracket [A] as shown below. The dotted line shows where the harness goes under the bracket.

  32. Connect the harness connector cable to the PCB [A] on the punch unit.
  33. Connect the harness [A] of the stepper motor bracket to the PCB [B] in the punch unit.
  34. Connect the harness [A] of the registration sensor bracket to the PCB [B] in the punch unit.
  35. Gather the harnesses of steps 32-34 [A] with your hands, and then fasten them with the clamps as shown below.

      • When you clamp the harness in clamp [A], clamp the harness between the two binds [B].
      • Route the harness [A] of the punch unit over the PCB as shown below by the dotted blue line.

  36. Slide the punch waste hopper [A] into the finisher from the rear.
  37. Pull back the stapler unit.
  38. Re-attach the covers, and then re-install the finisher on the main machine. (Finisher SR4120/SR4130 (D3CG/D3CH))
  39. Connect the finisher connector to the main machine.
  40. Turn ON the main power switch of the machine.
  41. Check the finisher operation.