Sharp 1642 E7 10

Question

SHARP 1642 CS A MONTH OF USE
ACCOUNTANT: 10.250 COPIES
New equipment, meantime the same thing presented break of the engranegem of the fusion (Z21), after the exchange of same the equipment code is presenting the code of mistake E7 sub 10, there was already checked the lid that protects the glass which possue a white list, that same is clean. The flat of the escanner in the socket of the plate mother, has a fastener parao perfect socket happens what this fastener broke in one of the sides, the prblema can be this I wait for answer
grateful

alberto – Brazil