HP Deskjet 3420 Color Inkjet Printer - Manual (Page 85)

photo paper printing resolution
print quality render printing
Best 600 x 600 dpi 1200 x 1200 dpi (3300 and 3400
series)
High Resolution Photo 1200 x 1200 dpi 2400 x 1200 optimized dpi (3400
series)
print technology
Drop-on-demand thermal inkjet printing
software compatibility
USB connection: Mac OS 9.x or Mac OS X (version 10.1x)
memory
768 KB built-in RAM (3300 and 3400 series printers)
i/o interface
Universal Serial Bus (USB) 2.0 compatible
dimensions
3300/3400 series printers:
422 mm wide x 142 mm high x 182 mm deep
16.6 in wide x 5.6 in high x 7.2 in deep
3300/3400 series color resolution (depending on paper type)
print quality render printing
FastDraft 300 x 300 dpi 300 x 300 dpi
Normal 600 x 600 dpi 600 x 600 dpi
Best 600 x 600 dpi 600 x 600 dpi
85