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4. DAILY OPERATION/MAINTENANCE
4.3 Installing (or Replacing) Pens (Pen model)
(1) Open the front door, and check to see that the recording is OFF, but the power ON
(2) Pull and open the display around the hinge.
(3) Pull out the pen-cartridge by pulling the protruding part of the cartridge from the
(4) Remove the cap from a new pen, and insert the pen firmly to the pen holder.
Always make sure to remove the pen cap before installation.