Mfg.Part: P16637-L21 CDW Part: 5765315 UNSPSC: 43201503. Get Directions.Technology Printing: Advanced PrecisionCore microTFP 10-channel, drop-on-demand printhead with ink-repelling coating technology1. 4570 E CACTUS RD PHOENIX, AZ 85032-7702.
![]() At today's printer and ink prices at B&H (U.S.), assuming neither printer would have much ink (which is what the P700 user reports suggest, at least in the U.S.) after initial charging, and assuming that ink is used at a total effective net rate of 1.5 ml per square foot printed, it would take 362 prints of 11x14 inches to break even from buying a P900 instead of a P700. There are suggestions that one should agitate carts every month or so to prevent the pigment from settling out.I have not seen any reports of problems from using ink past these dates.Short answer: 362 prints. I have seen lots of reports (and this matches my experience) that there are no problems using ink past either date. How much ink do you have available after the initial charging of the printers?As others have mentioned, Epson recommends using ink within two years of manufacture, or within 6 months of being installed in the printer. Although it is generally thought that printing with this class of printer consumes about 1.25 ml/ft^2 printed, some ink may be left in the cartridges and some ink may be consumed on self-cleanings, so I used 1.50 ml/ft^2 printed. To recoup the extra $395.01 spent on the P900, you need to buy 581 ml of ink. So compared to the P700 ink, the P900 ink is cheaper by $0.68/ml. The P700 is $799.99 and its ink costs $37.99 for 25 ml cartridges. ![]() Thanks for the above detailed analysis.What makes you think that you will not need a complete inkset right after initialization for the P900 too, just as with the P700?Simple - the both have the same printhead with same ink initialization requirements, and assuming starter carts are the same percentage of full carts (say 75% as the P800) will consume the same amount of lost ink - and the P900 carts are 2x the size of P700.Except that the best available evidence of which I'm aware-if anyone has any other evidence, I'd be interested to see it-is that the P700 and P900 starter cartridges probably don't come the same percentage full. He concluded that it was worth the extra cost of the larger P900 in ink savings over time compared to the P700. Mike Lee at precision colors discussed the P700 and P900 with Jose Ridriguez. Quicken 2005 for macHow likely is it that the P900 starter cartridges contain more than 50ml? Or even the usual 50ml?Historically, the P800 starter cartridges (in the U.S. That puts the P700 starter cartridges at about 34 or 35ml each.Reportedly-am I wrong about this?-the P700 and P900 cartridges have the same exterior dimensions, so it would be easy to put 34-35ml for a P700 starter cartridge in the same shell as used for a 50ml P900 cartridge. It looks like the P700 starter cartridges-being on the average 10g heavier than the corresponding regular P700 cartridges-very likely contain 9 or 10 ml each more ink than the regular cartridges do.
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