Λυσεις
  1. Open the front cover.
  2. Press the Options key on the control panel.
    The display will show “REPLACE DRUM – 1.YES 2.NO”.
  3. Press 1 to reset the drum count.
  4. Close the front cover.
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press the 3 and 9 button at the same time in ready mode.
then the reset menu will appear, press the up or down arrow until you get to drum.
press ok,
and select 1 to reset or 2 to exit.
it will return the ready state and your done.
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Reinstall the new drum unit, keeping the front cover open.
Press Clear.
Press 1 when the display shows REPLACE DRUM? 1.YES 2.NO
ACCEPTED.
Close the front cover.