What are the power specifications for the HP Photosmart 7520?
The HP Photosmart 7520 uses power adapter model 0957-2304 with an input voltage of 100–240 Vac and an input frequency of 50/60 Hz. The maximum input current is 0.9A. The manual also warns that this printer should only be used with the power adapter supplied by HP. (Page 3)
From the official HP Photosmart 7520 E All-in-One Printer manual, page 3
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