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Starting summer 2014, ChemIT arranged for savings of over $1,000 per year to operate printer services offered for free to Chem majors, in Lar's undergraduate lab. And provided second, full-color printer for almost nothing. |
Current status, July 2014
Decision by Chemistry department to continue not to account for use by student, much less meter their use. Costs for just non-paper consumables was over $3,700 per year.
Given this arrangement, ChemIT has helped reduce costs , given this arrangement. Usage costs are by over $1,000 less per year. And a new printer was bought at 1/4 to 1/5 9th the expected price, giving the lab two, full color printers.
(1) ChemIT has arranged for saving ~$1,000 per year by moving to Eastern service contract
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- We were paying about 1.89 cents per page for ink and maintenance kit replacement, on average. So for 280,000 pages (Dec 2012 - July 2014 (~17 months) from the oldest printer (Buckbeak); 40,000 from 2/14 to 7/14), that would be $5,292 ($3,736/yr). Service only if under warranty (new printer). Otherwise, for old printer, pay directlyfor repair services and parts out-of-pocket.
- For the same volume, now we would have paid $3,850 (see below chart). For 17 months, that's $2,718/yr.
- That's a savings of $1,442 over 17 months, which is a savings $1,018/yr.
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- Did this through loyalty rebate ($1,443.91) and trade-in ($224.75) of (old, broken Abruna) printer to Xerox.
- Did not buy the extra warranty (~$500 more?), since under Eastern service contract. So price of printer was $1,925.22, not the expected $2,500.
- This gives Lars's undergraduate lab two Xerox color printers. This new printer displaced a B&W HP printer, which went to Dan Lorey.
Previous info, from Feb 2014
Goal
- Express the costs of consumables (over $12,100) to operate printer services offered for free to Chem majors, over a period of 1.5 years. Does not include the cost of the $2.5K printer itself.
Summary
Consumables = (Ink + maintenance kits) + paper = $10,200 + $1,930 = $12,130 over 33 months.
This comes to about $4,411/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 - Nov 2012 | 19 months | 15,000 pages /month | $4,585 | $1,080 | $5,670 |
240,000 | Dec 2012 - Feb 2014 | 14 months | 16,000 pages/ month | $3,665 | $865 | $4,530 |
Total: 540,000 | May 2011 - Feb 2014 | 33 months | 15,430 pages/ month | $8,250 | $1,945 | $10,200 |
Hardware costs, including "consumable" maintenance kits
Printer's initial cost, including 3 year warranty: $2,500
- Amortizing cost of printer over 540K pages printed comes to 0.46 cents per page.
Cost for maintenance kits, up to now: $1,945
- 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, $4,445 spent so far on hardware, including maintenance kits.
Ink cost calculations
Total ink costs: $8,250
Usage Dec 2012 - Feb 2014
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Ink Stick color
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Use
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6 Sticks per package
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Cost per package
(These are Michael Hint's costs;
Lars may pay more?)
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Total costs
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Cyan
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28
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4.67
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$69.65
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$325.26
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Magenta
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24
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4.00
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$69.65
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$278.60
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Yellow
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22
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3.67
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$69.65
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- .
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Black
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12.67
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$221.40
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$2,805.14
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Total ink costs for 240K pages:
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$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
- 0.575 cents per page, if buying cheap and you don't care about the environment.
- Total of 335,000 sheets of pater used.
- 149,000 paper sheets used for 240,000 pages printed.
- Thus estimate that an additional 186,000 paper sheets used for previous 300,000 pages printed.
Paper purchase cost options
0.575 cents/ page for Staples® Copy Paper, LETTER-Size, 92/104 US/Euro Brightness, 20 lb., 8 1/2" x 11", 5,000 Sheets/Ct (if $28.77 for 5000 sheets).
1.03 cents / page for Staples® 30% Recycled Copy Paper, LETTER-size, 92/104 US/Euro Brightness, 20 lb., 8 1/2"H x 11"W, 5,000 Sheets/Ct ($51.59 for 5000 sheets)
- Contains at least 10% post-consumer recycled content
0.67 cents/ Staples® 100% Recycled Copy Paper, LETTER-size, 92/104 US/Euro Brightness, 20 lb., 8 1/2"H x 11"W, 5,000 Sheets/Ct ($33.43 for 5000 sheets)