Does using a non-HP ink cartridge void the warranty on my HP Envy Photo 7100?
Using a non-HP or refilled cartridge does not automatically void the printer's warranty or any HP support contract. However, if printer failure or damage is directly attributable to the use of a non-HP, refilled, or expired ink cartridge, HP will charge its standard time and materials fees to service the printer for that specific failure or damage. (Page 3)
From the official HP Envy Photo 7100 All-in-One Printer manual, page 3
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