Sharp MX-6240N / MX-7040N (serv.man29) Service Manual ▷ View online
MX-7040N DISASSEMBLY AND ASSEMBLY 10 – 37
3)
Remove the screw, and open the MFP mother mounting unit
upward. Hang the support plate on the machine frame.
upward. Hang the support plate on the machine frame.
4)
Disconnect the connector. Remove the screw, and remove the
speaker mounting plate.
speaker mounting plate.
5)
Remove the screw, and remove the angle.
6)
Disconnect the connector, and remove the clamp. Remove the
screw, and remove the FAX PWB unit.
screw, and remove the FAX PWB unit.
7)
Disconnect the connector. Remove the screw, and remove the
high voltage 2TC PWB.
high voltage 2TC PWB.
(10) MFP control PWB, HDD
1)
Remove the right cabinet rear.
2)
Remove the screw, and pull out the MFP control unit.
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MX-7040N DISASSEMBLY AND ASSEMBLY 10 – 38
3)
Disconnect the connector from MFP control PWB. Remove the
screw, and remove the MFP control PWB.
screw, and remove the MFP control PWB.
4)
Disconnect the connector from HDD. Remove the screw, and
remove the HDD unit.
remove the HDD unit.
5)
Remove the screw from HDD, and remove the angle.
2. Maintenance
A. DSPF section
(1) Document feed unit
a. Document pickup roller, Paper feed roller
1)
1)
Remove the screw, and remove the paper feed cover.
2)
Remove the paper feed PG upper cover.
3)
Remove the pickup roller holder. Remove the document
pickup roller from the pickup roller holder.
pickup roller from the pickup roller holder.
4)
Remove the paper feed roller.
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MX-7040N DISASSEMBLY AND ASSEMBLY 10 – 39
(2) Lamp unit
a. Second scan section scanning glass, reflector, scanner
lamp
1)
Remove the screw, and remove the lamp mounting plate.
2)
Clean the second scan section scanning glass.
3)
Remove the screw, and remove the reflector, and the scanner
lamp.
Clean the reflector and scanner lamp.
lamp.
Clean the reflector and scanner lamp.
(3) Optical unit
a. Mirror
1)
1)
Remove the screw, and remove the mirror base cover.
2)
Clean the mirror.
b. Lens, CCD
1)
1)
Remove the screw, and remove the dark box. Remove the
dust-proof cover.
dust-proof cover.
2)
Remove the lens cover.
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MX-7040N DISASSEMBLY AND ASSEMBLY 10 – 40
3)
Clean the lens and CCD.
(4) DSPF unit
a. Separation roller
1)
1)
Remove the document feed unit.
2)
Remove the screw, and remove the paper feed PG lower
cover.
cover.
3)
Remove the revere pressure release lever, and remove the
separation roller.
separation roller.
b. Torque limiter
1)
1)
Remove the document feed unit.
2)
Remove the drive unit.
3)
Remove the resin E-ring, and remove the No. 1 registration
roller (Idle).
roller (Idle).
4)
Remove the screw. Lift the document paper feed tray and
remove the paper guide.
remove the paper guide.
5)
Remove the screw, and remove the support plate and the
bearing. Remove the roller shaft, and remove the torque lim-
iter.
bearing. Remove the roller shaft, and remove the torque lim-
iter.
c. No. 1 registration roller
1)
1)
Remove the document feed unit.
2)
Clean the No. 1 registration roller.
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