3.7 - Laser Printer Maintenance

Question 1

Replacing the toner cartridge

Answer 1

• Look for the messages
  – Low doesn’t mean empty
• The toner can also contain the OPC drum
  – Organic Photoconductor drum
  – Sensitive to light; keep it in the bag
• Power down the printer
  – Safety first
• Remove packing strips from the new drum
  – Replace it with the old

Question 2

Laser printer maintenance kit

Answer 2

• Laser printers wear out
  – All those moving parts
  – Heat and pressure
• Standard maintenance kits
  – Replacement feed rollers, new fuser unit, etc.
• When to perform maintenance?
  – Check the printer’s page counter
• Power down and replace the components
  – Fuser units are HOT
• Reset the page counter when you’re done!

Question 3

Replacing the toner cartridge

Answer 3

• Look for the messages
  – Low doesn’t mean empty
• The toner can also contain the OPC drum
  – Organic Photoconductor drum
  – Sensitive to light; keep it in the bag
• Power down the printer - Safety first
• Remove packing strips from the new drum
  – Replace it with the old

Question 4

Laser printer calibration

Answer 4

• Different toner cartridges print with different densities
  – Some dark, some light
• Laser printer calibration can adjust the density
  – Makes it looks perfect
• Can be automated or a manual process
  – Every printer is different
  – Check the printer manual

Question 5

Laser printer cleaning

Answer 5

• Laser printers are dirty
  – All that toner and paper dust
• Check the manufacturer’s recommendations
  – Water, isopropyl alcohol (IPA)
  – Don’t use harsh chemicals!
• Outside - Damp cloth
• Inside - Wipe dust away
  – Don’t use a normal vacuum cleaner or
  compressed air
  – Wash off skin with cold water
  – Clean rollers with IPA