What are the power specifications for the HP Deskjet 2050?
The printer uses power adapter model 0957-2286 with an input voltage of 100-240Vac (+/- 10%) and input frequency of 50/60Hz (+/- 3Hz). An alternate adapter, model 0957-2290, supports 200-240Vac (+/- 10%) at the same frequency. You should only use the power adapter supplied by HP. (Page 2)
From the official HP Deskjet 2050 All IN One Printer Series J5 manual, page 2
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