Samsung SCX-4200 Series Service Manual page 65

Disassembly and Reassembly
6. Remove the two screws securing the Scan Upper
Unit.
7. Release the seven hooks securing the Scan Upper
Unit to the Scan Lower Unit and remove it, as shown
below.
Scan Lower Unit
Service Manual
5-8
8. Using the right hand to push the Idle Pulley from right
9. When removing CIS FFC, note that the cable is taped
Scan Upper Unit
10. To remove the CIS from the Carriage, first unplug
to left, and the left hand to lift and remove the Belt.
2
to the Scan Lower Unit. Then take the CIS(with
Carriage, Belt, CIS FFC) out of OPE Lower Unit.
CIS
Belt
Carriage
the CIS FFC from the CIS and remove two CIS
Slider from each end of the CIS. Then Release the
CIS in the direction of arrow, as shown below.
CIS Slider
CIS Slider
CIS
Carriage
Belt
1
CIS FFC
Scan Lower Unit
CIS FFC
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