Epson PM 225 Compact Photo Printer Review
The best option if you want the highest-quality 4" x 6" prints on the fly.
Though you can find the Epson PM 225 for cheaper than the A646 at this point in its life cycle, going from a strict MSRP standpoint, the A646 is slightly cheaper. Additionally, the ink for the Epson PM 225 is about $10 more expensive per cartridge. Over time, the A646 will be the cheaper buy, but it's hard to beat the initial hit of $100 less for the Epson PM 225 right now.
Both printers have exceptionally good color accuracy, and with a custom profile, both score almost identically well, so you really can't go wrong with either here.
In terms of detail, the Epson PM 225 does a fairly good job at maintaining sharp lines and high contrast, but it is far from an ideal printer to handle this task. Still, it can only print 4 x 6 photos, so it's not like we're talking about artifacting issues on a visible scale here.
One of the most amazing bright spots to the Epson PM 225 is its dMax measure. Though that of the HP A646 is solidly in the "good" territory, the Epson PM 225 is just too deep to even be compared to that of the A646.
Color Gamut Comparison
Similarly, though the gamut of the HP A646 is massive (69.9%), and impressive in its own right, the Epson PM 225's color gamut range is absolutely brobdingnagian by comparison. Measuring in at 76.58%, the Epson PM 225 sets a new PrinterInfo.com record.
Here's where the Epson PM 225 falls short against the HP A646. Not only can the A646 print 5 x 7 photos, but it can also use its native bluetooth connection to print photos from your smartphone. While the HP is a connectivity powerhouse, the PM 225 can't quite compete in this area.
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