HP 5850 deskjet printer lights subsequent tocheck manifest button?

Can some one please bring up to date me the meaning of a 3-lamp cluster when illuminate? This cluster has 2 triangles above and 1 triangle below a queue. It is located to the right of the 'network' button that is recessed and have a check mark. Unfortunately this wispy is not described in 5800 series brochure

HP 5850 deskjet printer lights subsequent tocheck manifest button?

I'll assume you mean rectangles and not triangles. According to your instruction manual it means the printer is connected to any an Ethernet network or a wireless exchange cards.

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