Can I repair the internal components of the HP Deskjet 2320 myself?
No — there are no user-serviceable parts inside the printer. You should refer all servicing to qualified service personnel. If the printer is not operating normally, refer to the help file available on your computer once the software has been installed. (Page 7)
From the official HP Deskjet 2320 All-in-One Printer manual, page 7
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