1 Replacing the drum unit

(Video: Replacing the drum unit)

Removal procedure

NOTE

  • In this procedure, the state in which the drum unit and the developing unit are assembled is called “imaging unit.”
  1. Open the lower front door.
  2. Remove the waste toner box.
  3. Replacing the waste toner box
  4. Loosen the shoulder screw [1], and pull out the imaging unit [2].
  6. Remove the drum unit [2] holding 2 fixing levers [1] of the drum unit while unlocking.

Reinstall procedure

  1. Take out the new drum unit from its package.
  2. Remove the caps [1] at the front and rear of the drum unit.
  4. Install the drum unit [1] to the developing unit.
  5. NOTE
    • Do not tilt the drum unit [1] when putting it on the developing unit. (Keep the drum unit level.)
    • Position the drum unit [1] so that part A of the drum unit is inserted into part B of the developing unit.
  7. NOTE
    • Position the drum unit so that part C of the drum unit is inside the film [1] located on the main body rail. (Check that Part C is not on the top of the rail.)
  9. Remove the protective sheet [1] for the PC drum.
  11. Secure the drum unit [1] to the developing unit with the two levers [2].
  12. NOTE
    • Push the front and back levers in the direction of the arrow at a time to secure the drum unit.
    • Make sure the drum unit is securely fixed with two levers.
    • Check that the front lever [3] of the drum unit is parallel to the vertical line marked on the label [4] on the developing unit.
  14. Insert the imaging unit [1] into the machine, and tighten the shoulder screw [2] to secure the drum unit.
  16. Remount the waste toner box [1], and close the lower front door.
  17. Replace the ozone filter furnished with the drum unit.
  18. Replacing the ozone filter
  19. Replace the toner filter furnished with the drum unit.
  20. Replacing the toner filter
  21. Select [Service Mode] -> [Imaging Process Adjustment] -> [Gradation Adjust] and carry out gradation adjust.