What is the first action that should be taken when performing preventive maintenance on a printer?

What is the first action that should be taken when performing preventive maintenance on a printer?

• Remove the paper from the printer paper tray.
• Disconnect the printer from the power source.
• Clean the print heads using the printer software utility.
• Disconnect the printer from the network.
  

  Answers Explanation & Hints: Before performing maintenance on a printer, or any computer or peripheral, always disconnect the power source to prevent exposure to dangerous electrical voltages.