Apple MB770 Service Manual download pdf (Page 113)

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45641001TH Rev.1

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Oki Data CONFIDENTIAL

[EA2B] Paper transport jam (Exit transport sensor)

Classiﬁcation Error content

Paperjaminnishersection Paper stayed for longer than set period at exit transport sensor while

being transported in ﬁnisher transport path.

Check item Measures

Transport path Ifthereispaperinthepapertransportpath,removethepaper.

Exit transport sensor • Sensorcheck(S2)

• Connectorcheck(P8-1)

• Harnesscheck

Finisher control PC board • Boardcheck

• Connectorcheck(J7,J8)

• Harnesscheck

Parts to be replaced Remark

Exit transport sensor

Finisher control PC board

[EA31] Power-ON jam

Classiﬁcation Error content

Paperjaminnishersection Paper was detected at either the entrance transport sensor or the exit

transport sensor when the power was on or the ﬁnisher’s side cover was

closed.

Check item Measures

Transport path Ifthereispaperinthepapertransportpath,removethepaper.

Entrance transport sensor • Sensorcheck(S1)

• Connectorcheck(P7-2)

• Harnesscheck

Exit transport sensor • Sensorcheck(S2)

• Connectorcheck(P8-1)

• Harnesscheck

Finisher control PC board • Boardcheck

• Connectorcheck(J7,J8)

• Harnesscheck

Parts to be replaced Remark

Entrance transport sensor

Exit transport sensor

Finisher control PC board

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