Exploitation costs: Calculation

fig. Comparison of printing cost of inkjet cartridge (colour cyan) and permanent inkjet supply system (colour magenta).

Calculation of ink quantity needed for printing one page in format A4

• Printing resolution 2880 x1440 dpi = 116 x 58 dpmm => 6728 dpmm2,
• Printing surface = 297 x 210 - 3mm of margin = 59364 mm,
• number of ink points needed for covering whole sheet with bit-map = 59 364 x 6728 = about 4 x 10 8 points.]
• For good class printer inks drop in maximum resolution has capacity 4 pl that is 4 x 10-12 l,
• Total ink capacity for covering the A4 sheet is 16 x 10-4 l that is about 1,6 ml.

Comparison of printing costs using original and bottle ink.

• Effective ink capacity in colour ink-bottle it is about 8 ml of every colour and about 10-12 ml of black colour, it adds up to 50-52 ml of ink in ink-bottles.
• If we have ideal balanced colour inks consumption, we can print maximum 32 pages in full ink covering of sheet.

fig. Comparison of capacity of inkjet cartridge (colour cyan) and permanent inkjet supply system (colour magenta).

• The price of original ink-bottles set it is 200 - 250 PLN. The printing cost of one page using this ink it is over 6 PLN only for ink.
• The price of OCP ink in 100 ml bottles it is about 150 PLN net for 6 bottles. Capacity - over 900 pages, cost of ink for one page printing it is about 0,20 PLN (after tax).