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the HP 4520 prints a little faster and if my Staples memory serves me correctly envy is more of a home than office printer. it probably does better with pics. it also has a bigger input tray
Sorry, there was a problem. Please try again later.The HP Officejet 3830 has an auto document feeder included. An auto document feeder allows you to scan/copy multiple pages at once. The HP Envy 4520 printer prints slightly faster than the 3830 and does not have an auto document feeder. The 3830 has a 60 page paper tray and the 4520 has a 100 page paper tray. The printers do not have speakers. For more detailed specifications on the HP OfficeJet 3830, please visit the following link: http://h20195.www2.hp.com/v2/getpdf.aspx/4AA5-7329EEGB.pdf?ver=1.6 For details on the HP Envy 4520, visit the following link: http://store.hp.com/wcsstore/hpusstore/pdf/f0v69a.pdf I hope this helps.
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