Versions Compared

Old Version 8

changes.mady.by.user user-29411

Saved on

compared with

New Version 9

changes.mady.by.user user-29411

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

Excerpt

Express consumable costs ($12$10,344200) to operate printer services offered free to Chem majors over 1.5 years. Paper costs NOT included.

...

Page counts

Dates

Count of
months

Avg pages per months
(including summers)
Most uses is Jan/Feb. and Aug/Sept

At 1.53 cents/ page,
for just ink
(a consumable)

At  0.36 cents/ page,
for just maintenance kit
(another consumable)

Cost for both
consumables
(NOT paper)

300,000

May 2011 - Dec 2012

20 months

15,000 pages /month

$5 $4,800 590

$1,080

$6 $5,880 670

240,000

Dec 2012 - Feb 2014

15 months

16,000 pages/ month

$4 $3,600 665

$865 $864

$5 $4,464 530

Total: 540,000

May 2011 - Feb 2014

35 months

15,430 pages/ month

$10 $8,569 255

$1,944
$12,344

$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.

Maintenance kitsCost for maintenance kits, up to now: $1,944

  • 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, $4,444 spent so far on hardware, including maintenance kits.Paper costs NOT included.

Ink cost calculations

Usage Dec 2012 - Feb 2014

Ink Stick color

Use

6 Sticks per package

Cost per package
(These are Michael Hint's costs;
Lars may pay more?)

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

 

 

 

Total ink costs for 240K pages:

$3,665

$3,665 for 240,000 pages =. $1.53 cents per page, average.

Paper cost estimates

comes to 1.53 cents per page, on average.

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 0.5 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).

...