HP cm4540mfp mystery part

[asentaja]

Just replaced whole fuser drive assy and this thing is now going back together, had to dismantle allmost whole machine to get there. But now i found mystery part laying around and i dont know where it came from, haven't seen it before, can anyone help before i continue assebling?
Can't find this from exploded view drawings. Part number on it is rc2-4824-4

 

[asentaja]

Reply to myself, that part was dropped from delivery assy. Now this thing is ready to print, or not.. it does not do anything when plugging power, no lights, no sounds no nothing, no fun. argh

 

[Jrcmn]

That part belongs on a solenoid