help finding where an internal piece goes

can anyone tell me where this piece goes inside an instax mini 8? took it apart, bit off more than I could chew, and little parts fell out. got all of them back where theyre supposed to except this one. ifixit manual doesn't show the info I need

Block Image
crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0