Question about HP Officejet Pro L7780 All-In-One InkJet Printer
1) Officejet Pro L7780 all in one
2) 7310 all in one
Default ring is 5.
if need to change the ring, then you will be in maual answer mode.
better choice is to change the ring on the phone and the answer machine.
Posted on Jan 13, 2009
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Posted on Jan 02, 2017
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