2. Press the agent door to release it, and open the door.
3. Locate the agent to be replaced. You can see which agent needs to be replaced on the front panel;
it is also indicated by a red LED beside the cartridge.
4. Disconnect the agent connector by pressing the tabs on each side of it and pulling it away gently.
TIP: When removing or inserting an agent connector, rotate it clockwise a little to avoid
in
terference between the connector and the agent box.
Replace an agent 109