Why is my printer not recognizing the new ink or toner collection unit?

Verify that the ink or toner collection unit is compatible with your printer.
Check your printer's settings to make sure the new collection unit has been detected.
If it's still not recognizing the ink or toner collection unit, restart your printer.
Check for any errors or messages that appear in your printer's display unit, as this could indicate an issue with your printer.
Clear any debris from the ink or toner collection unit and make sure no packing materials are still attached.
Ensure that the ink or toner collection unit is properly connected to your printer and firmly secured in its mounting tray.
Check the ink or toner collection unit for any signs of damage and replace if necessary.