3.DisassemblyandReassembly
3.3.4.CISUnit
1.RemovetheScannerUnitandADFUnit.
2.Remove4screwsfromthebottomoftheplaten.
3.Removetheplatenupperfromtheplatenlower.
4.UnplugtheCISatcable.ReleasetheCISUnit.
5.ReleasetheBelt-TimingGear.Remove3screws.And
releasetheScanDriveUnit.