> [...] I can't help but wonder, however, that the router gave two
> different devices the same IP. [...]

The _router_ (strictly, the DHCP server in the router) should not
grant the same IP address to two different devices. But, if _you_
"manually" assign a static address to some device, then that device uses
that address, without bothering to ask the DHCP server about anything.
Then, in its ignorance, the DHCP server wouldn't hesitate in granting
that in-pool address to some other device.

> [...] Here's something I may try [...]

If you configure the printer to use DHCP, then it should get its
(unique) IP address using DHCP, like all your other DCHP-client devices.
If you don't explictitly reserve a dynamic address for a device, then
that will come from the DHCP pool (whichever range you specify for
that).

> [...] I would assume they all should...starting at .100. Before I do
> so, does this soound feasible.

Sure. What could go wrong?

If you use Address Reservation to reserve a particular address for a
DCHP-client device, then that device should get that reserved address,
rather than some unpredictable address from the DHCP pool.

If you do use Address Reservation, then my advice is to choose only
non-pool addresses for those reserved addresses. (Just the same as for
any static addresses.) In principle, the DHCP server should be smart
enough not to consider granting an in-pool reserved address to the wrong
device just because it's still (apparently) in the pool, but why trust
it? If your reserved addresses are all ex-pool, then the question
should never arise.

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