Brother MFC-3340CN Service Manual page 122

n Reassembling Notes
• When handling or routing the CIS flat cable, do not unfold the cable.
< Disassembly of the scanner drive unit >
1) Slightly pull up the lock tab ( ) and pull out the separation roller gear ( ).
2) Remove the document separation roller and idle gear.
3) Slightly push down the lock arm ( ) and remove the document pull-in roller and its gear.
4) Remove the flat core.
5) Remove the planetary gear assembly from the scanner drive unit.
6) Remove the two screws and take the scanner motor off.
Planetary gear
assembly
eparation
roller gear
canner motor
crew, pan
(s/p washer)
M3x6
canner drive
unit
canner motor
Document pull-in roller
Pull-in roller gear
Lock arm
Lock tab
canner motor harness
Ferrite core
Latch
5-24
Document pull-in/separation
roller holder
Idle gear
Flat core
Document separation
roller
Cable guide
Confidential