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Colour copy speeds of 44s from the flatbed and 48s from the ADF are comparatively good and the fastest 15 x 10cm photo, from an SD card, came through in 1:05, which isn't bad, either. The printer is quiet, running in the low 50dBA range most of the time and peaking at 60dBA only when feeding paper between pages.
Print quality is variable, with some fuzziness due to black ink bleed on standard multifunction office paper. There is more of this than we would have expected from an HP printer. Colour prints with graphics are OK, though we could see slight bands in areas of solid colour and again, some bleed of overlaid black text. Colour copies retain most of the colour of the original, though with some paling and more noticeable banding – not a bad effort though.
When it comes to photo prints, HP Vivera inks give a good account of themselves. Our test landscape print gives exceptionally smooth, well-gradated sky and plenty of detail in darker, shadowed areas. There’s a lot of foreground detail and plenty of detail along the skyline, too.
The 344 colour cartridge is a higher yield version of the 343, but HP prevents its use in the OfficeJet 6310, preferring to sell you a twin pack of 343s, at a higher price. So
much for waste reduction. It does offer the 342, light-use cartridge and three different capacities of black in the 336, 337 and 339.
We costed prints using a single black 339 cartridge and half a twin pack of 343s (the cheapest combination we could find), which gives a cost per page for five per cent black text print on plain paper of 2.13p, and 51.8p for 20 per cent colour on HP Premium Plus glossy photo paper. The black print cost is reasonable, but the colour cost is high, in comparison with the OfficeJet’s main competitors, thanks largely to the continuing high price of HP Premium Plus photo paper.
HP doesn't seem to know quite where to pitch this machine. With one breath its marketeers say it's not designed for those requiring high-yield ink cartridges, while with the next it tries to sell twin packs of standard-yield cartridges. In other respects, the OfficeJet 6310 ticks all the boxes and comes in at a good price. Text print is definitely a bit jagged round the edges, though.
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