1. Remove the paper transfer belt unit. (Paper Transfer Belt Unit)
  2. Remove the drawer unit cover. (Drawer Unit Cover)
  3. Remove the inner cover [A].
  4. Close the drawer unit.
  5. Remove the connectors and clamps to take out the drawer unit lock motor cover [A].
  6. Remove the drawer unit lock motor cover [A].
  7. Remove the link [A].
  8. Remove the drawer unit lock motor block [A].
  9. Remove the ITB cleaning intake fan [A] along with the duct.
  10. Remove the ITB roller drive pulley [A] and the timing belt [B].
  11. Pull out the drawer unit.
  12. Insert a driver into the holes [A] and [B], and remove the adjustment screws [C] and [D] of the paper transfer belt adjustment bracket.
  13. Remove the coupling [A] of the paper transfer belt drive shaft.
  14. Remove the paper transfer belt drive shaft [A].
  15. Remove the paper transfer belt adjustment bracket [A].
  16. Replace the paper transfer adjustment bracket, and attach the new bracket to the paper transfer belt drive shaft.
  17. Attach the coupling to the paper transfer belt drive shaft.
  18. Insert a driver into the holes [A] and [B], and loosely attach the adjustment screws [C] and [D] of the paper transfer adjustment bracket.
  19. Install the paper transfer belt unit.
  20. Close the drawer unit.
  21. Rotate the roller shaft [A] to place the straight part [B] of the D-cut to the upper left.
  22. Release the lock lever of the ITB cleaning unit.
  23. Position the three corners (blue circles in the photo) of the adjustment jig [A], and fix it with the clip ring [B].
  24. Rotate the paper transfer belt shaft counterclockwise by using the link [A] to make the paper transfer belt unit touch the ITB unit.

  25. Insert the driver into the holes [A] and [B] in the bracket, and tighten the adjustment screws [C] and [D] while holding the adjustment jig.

    • When inserting the driver into the holes, be careful not to be caught by the harness. If the driver is caught by the harness, this could be the cause of defective contact of connectors.
    • When tightening the adjustment screws, be careful not to be caught the driver by the surrounding components.
    • When tightening the adjustment screws, tighten the screws in the order of [D] and [C] with one hand while holding the adjustment jig with the other free hand.

  26. Remove the adjustment jig.

  27. Re-install the parts removed in previous steps.

    • When mounting the motor block, screw the motor in first. Then, assemble links [A], [B] and [C] as shown below. There is also a diagram embossed on the motor cover to help you to install the links correctly.
      • Lock shaft (Cut surface to the upper left) [A]
      • Link [B]
      • Paper transfer roller shaft (Cut surface to the lower side) [C]