After replacing the laser optics housing unit, it is necessary to enter the LD parameters and adjust color registration.

  1. Open the front cover.

  2. Turn on the machine.

  3. Check if the machine is "READY" status.
  4. Enter the SP mode.
  5. Select [Engine Service Setting] > [Init. LSU Data].
    In the printer models, select [Engine Maintenance] > [Init. LSU Data].
    Appropriate LD parameters to match the replaced laser optics housing unit are written on the EEPROM of the engine board.
  6. Close the front cover.
  7. Perform "Color Registration" in [Engine Service Setting].
    In the printer models, perform "Color Registration" in [Engine Maintenance].
    MUSIC is performed.

  8. If necessary, adjust the registration settings for each tray and for the front and rear sides of the paper with the SP mode.

  • If the MUSIC error persists, contact your supervisor , and get a set of LD parameters for the unit. After that, enter them with “LSU Adjustment” in the SP mode.