Brother MFC-B7720DN Service Manual

3-93
Confidential
9.31 Paper feed motor / Paper feed motor flat cable
(1) Release the Paper feed motor flat cable and the Front cover sensor harness from the
securing fixtures.
(2) Remove the Taptite bind B M4x12 screw. Release the Hook, and slide the Flat cable guide
in the direction of the arrow to remove it from the Motor drive sub ASSY.
(3) Remove the Screw pan (S/P washer) M3x12DB, and remove the Laser L FG plate from the
Motor drive sub ASSY.
(4) Remove the three Taptite bind B M4x12 screws and the Taptite cup S M3x8 SR screw, and
remove the Motor drive sub ASSY from the Frame L unit.
Fig. 3-92
Harness routing: Refer to “10. Frame L unit (Manual feed models)”.
Assembling Note:
• Be careful not to bend the Laser L FG plate.
• Attach the Motor drive sub ASSY to the Frame L unit while the Develop joint link is
pushed. Pull the Develop joint link back before tightening the screws for the Motor drive
sub ASSY. Failure to follow the procedure above may get the Develop joint link caught
and jammed.
Screw pan (S/P washer)
M3x12DB
Flat cable guide
Laser L FG plate
Taptite bind B M4x12
Motor drive sub ASSY
Hook
Taptite bind B M4x12
Taptite bind B M4x12
Frame L unit
Develop joint link
Taptite cup S M3x8 SR
Front cover sensor harness
Paper feed motor flat cable

Brother MFC-B7720DN Specifications

General

Brand	Brother
Model	MFC-B7720DN
Category	All in One Printer
Language	English