Brother MFC-7290 - CIS Unit

3-48
Confidential
9.22 CIS unit
(1) Release the two hooks of the CIS glass stopper, and slide the CIS glass stopper to
remove it from the document chute ASSY.
(2) Remove the CIS glass from the document chute ASSY.
(3) Hold up the CIS unit to disconnect the CIS flat cable.
(4) Remove the two CIS spacers from the CIS unit.
(5) Remove the two CIS springs from the document chute ASSY.
(6) Pull out the CIS flat cable from the document chute ASSY.
Fig. 3-33
Harness routing : Refer to "13. Modem unit".
Fig. 3-34
Assembling Note :
• When replacing the CIS flat cable, fold it in advance as shown in the following figure.
CIS spacer
CIS springs
CIS unit
CIS spacer
CIS flat cable
Hooks
CIS glass stopper
CIS glass
Document chute ASSY
CIS flat cable
26±1 mm
Mountain fold
Reinforcing plate surface
(back : terminal surface)
50
±2 mm 81±1 mm
Reinforcing plate surface
(back : terminal surface)
To be
connected to
main PCB
To be
connected
to CIS unit
45°45°45°