3-42
Confidential
(7) Open the document scanner unit at around 90 degrees then pull it backwards.
(8) Open the ADF unit
*1
, or document cover ASSY
*2
 at around 90 degrees and pull out the two
latches.
Assembling Note  When mounting the ADF unit onto the document scanner unit, insert a 2 to 3
cm thick magazine or paper bundle in between to ensure the movement of harnesses. Do not
place objects that can scratch or stain the document cover glass.
(9) Turn the ADF hinge slightly and remove it from the ADF unit
*1
 or from the document cover
ASSY
*2
.
(3_053)
Upper cover
CIS flat cable
Document 
scanner unit 
Document 
scanner FG wire
ADF motor harness*1
Document detection 
sensor harness*1
Document 
scanning position 
sensor harness*1
Document scanner 
motor harness
ADF FG wire*1
ADF unit*1
Document cover ASSY*2
*1 For models with ADF
*2 For models without ADF