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Express consumable the costs of consumables ($10over $12,200100) to operate printer services offered for free to Chem majors, over a period of 1.5 years. Paper costs NOT included. Does not include the cost of the $2.5K printer itself. |
Summary
Consumables = (Ink + maintenance kits) + paper = $10,200 + $1,930 = $12,130 over 35 months.
This comes to about $4,160/year.
Data and analysis
Page counts | Dates | Count of | Avg pages per months | At 1.53 cents/ page, | At 0.36 cents/ page, | Cost for both |
|---|---|---|---|---|---|---|
300,000 | May 2011 - Dec 2012 | 20 months | 15,000 pages /month | $4,590 585 | $1,080 | $5,670 |
240,000 | Dec 2012 - Feb 2014 | 15 months | 16,000 pages/ month | $3,665 | $865 | $4,530 |
Total: 540,000 | May 2011 - Feb 2014 | 35 months | 15,430 pages/ month | $8,255 250 | $1,944 945 | $10,200 |
Hardware costs, including "consumable" maintenance kits
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Cost for maintenance kits, up to now: $1,944945
- 10 have been installed for the most recent 240,000 pages, at $86.40 each: $864 + $1 = $865
- Thus estimate we 1.25 additional kits (~12.5 kits) for the first 300K pages printed: $1,080
Thus, $4,444445 spent so far on hardware, including maintenance kits.
Ink cost calculations
Total ink costs: $8,250
Usage Dec 2012 - Feb 2014
Ink Stick color | Use | 6 Sticks per package | Cost per package | Total costs |
|---|---|---|---|---|
Cyan | 28 | 4.67 | $69.65 | $325.26 |
Magenta | 24 | 4.00 | $69.65 | $278.60 |
Yellow | 22 | 3.67 | $69.65 | $255.62 |
Black | 76 | 12.67 | $221.40 | $2,805.14 |
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| Total ink costs for 240K pages: | $3,665 |
- $3,665 for 240,000 pages comes to 1.53 cents per page, on average.
- Thus, estimate that an additional 300,000 pages used previously (1.25 as much again) would cost about $4,585.
Paper costs
Cost for paper, up to now: $1,930
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