Know Your Total Cost of Ownership

6) Final cost per color print: $0.03805 + $0.1021 (color toner) = $0.14035

The final costs per print on our HP 4730 are a whisker over 5 cents each for black and 14 cents each for color.

If you lease your devices:

Use your annual lease cost instead of the amortized device cost. Any additional and/or one-time lease costs (like the cost of returning a device at the end of a lease) should be counted in the year they occur because it is too hard to otherwise come up with hard numbers that can be amortized. Also, leases almost always employ a click rate so you would use that number in evaluating consumables and/or service cost.