What is the model number or part number for the HP Envy 5660 manual?
The part number referenced on the manual is B9S56-90171. This is printed on the cover page of the HP ENVY 5640/5660 e-All-in-One series manual. (Page 1)
From the official HP Envy 5660 E All-in-One Printer manual, page 1
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