Does anyone have sense of how much printing one must do to break even on the 3880 over the 1900?
I'll start from B&H prices : 500-150=350$ after rebate for the 1900 (wow, I paid twice that in France for my 1800), and ink is at 12.50$ per 11ml cartridge id est around 1150$/liter.
1350$ for the 3880 (there might be better prices?) and 50$ per 80ml cartridge ie 625$/liter (close to 2x cheaper).
To use with the 1900 the quantity of ink that came with the 3880 (80mlx9cartridges=720ml), you'll have to go through 8 full cartridges sets (11mlx8cartridgesx8sets) costing you 700$ (7 new sets).
Total cost, supposing all other variables equal : 1050$ (1900) vs. 1350$ (3880)
(NB at 700$ B&H initial price a 2880 would then cost around 1400$).
When you go through a second cartridge set on the 3880 (cost 450$, eq. to 8 sets = 800$ with the 1900), the total costs amount to 1850$ (1900) vs. 1800$ (3880). Seems like around the even break.
The trickier part comes when evaluating how many prints come with this ink amount...
The rule of thumb of 50 A3=11x17" with a 90ml set of R1900 cartridges, or
the findings or MarkDS which are in fair agreement (15-20ml/m²), would say you need about 750 A3 prints to reach the even break.
I'd thought that was more (didn't think the 1900 was so cheap to buy).
Oh, and I'd think nobody mentioned one con of the former 3800, it couldn't print more than 95cm=37", though
a workaround has been developed with an older driver.
I don't know if this may wholly (no limitation ) or partly (no workaround - edit: that might be the answer I'm afraid) not apply to the 3880.