HP Ink

Diposkan oleh mecky giroth on Wednesday, May 13, 2009


HP Ink Cartridges Information
Summarize By : Howard Haines
This information was crucial in differentiating expensive cartridges from economical models.

While searching for ink volume information on new cartridges from HP's website, we found that there were no longer ink volumes available on any the cartridges we looked up. The new models like the HP 60 black (CC640WN#140) and HP 901 (CC653AN#140) cartridge only showed "Cartridge yield: approx. 200 pages (actual yield depends on printer and specific use".

None of the new OEM HP 60 boxes listed ink volumes and the page yield numbers were rounded to even 100 page increments such as "~200 pages" which is unusual.

We just got another shipment of the HP 74 OEM cartridges so I looked on the back of a new shipment of cartridges, it read "HP 74 ~200* pages", but the volume of ink had been removed?

The Hp 74 now shows 200 pages and I know it has 4.5 ml of ink because the older OEM box listed it. The HP 74xl contains 18ml of ink and has a listed page yield of 750 pages so let's assume that it is an honest estimation for now.

Wondering if all of the older HP cartridges now have new information regarding their page yield, I randomly looked up a few older HP models. To my surprise, the page yields listed on HP's website had changed!

I verified HP cartridge page yields from asapinkjets.com with Staples.com and all of them matched.

C9351AN-HP 21 -- (Staples shows 150 -- HP now shows N/A)
C9352AN-HP 22 -- (Staples shows 140 -- HP now shows 165)
C9362WN-HP 92 -- (Staples shows 210 -- HP now shows N/A)
C9361WN-HP 93 -- (Staples shows 175 -- HP now shows 220)
C8765WN-HP 94 -- (Staples shows 450 -- HP now shows 480)

Struggling to find an explanation, I gathered as much information on each HP cartridge from their website. I thought that maybe a change in the ink drop size could explain the changes in page yield if HP changed the printhead on the cartridges?

After comparing the known ink volume of each cartridge to the listed page yield of each cartridge (supplied by HP), I came up with a pages per ml figure. I could see huge variances in page yields per ml of ink between different HP cartridge models with the same size of PL drop. Color ink cartridges with a 5 PL drop ranged from 21 pages per ml to 68 pages per ml? Black inkjet cartridges with a 17 Pico Liter drop ranged from 22 pages to 30 pages per ml?

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