I sell calendars online. I print them thousands at a time using offset printing at a local printing company. I'm considering printing them myself using a digital wide format printer - but I'm concerned that the quality won't be "good enough."
I'm looking at buying HP Designjet 1055CM because it's only $1K on craigslist. It says color prints at 600dpi (Black is 1200dpi).
How does 600dpi compare to offset? Where can I find images to compare?
(I'm considering switching to digital because I get lots of requests for custom designs. I'm limited by offset, I have to print 1,000 at a time, it seems. But I often don't sell all 1,000. Therefore I can't afford to offer more designs for sale, unless I print them one at a time)