Sharp MX-B200 (serv.man5) Service Manual ▷ View online
MX-B200 DISASSEMBLY AND ASSEMBLY 8 - 2
2) Clean the TC front guide and the TC holder with alcohol.
3) Set the charger cleaner to the transfer unit, and move it recipro-
cally a few times in the direction of the arrow shown in the figure
below.
below.
E. Charger wire replacement
1) Remove the TC cover and remove the screw.
2) Remove the spring and remove the charger wire.
3) Install a new charger wire by reversing the procedures (1) and
(2).
At that time, be careful of the following items.
At that time, be careful of the following items.
• The rest of the charger wire must be within 1.5mm. Refer to Fig.1
• The spring hook section (charger wire winding section) must be
in the range of the projection section.
• Be careful not to twist the charger wire.
2. Operation panel section
A. List
B. Disassembly procedure
1) Open the side door, and Open the front cover.
1)
2)
3)
4)
No.
Part name Ref.
1
Operation panel unit
2
Operation PWB
1mm
1.5mm
Fig.1
1)
1)
2)
3)
Charger wire
Protrusion
1)
2)
MX-B200 DISASSEMBLY AND ASSEMBLY 8 - 3
2) Remove the screws (4 pcs.), the harness, and the operation
panel unit.
3) Remove four screws, and remove the operation cabinet.
4) Remove nine screws, and remove the operation PWB.
C. Assembly procedure
For assembly, reverse the disassembly procedure
3. Optical section
A. List
B. Disassembly procedure
1) Remove three screws, and remove the rear cabinet.
4) Remove the original cover.
5) Remove five screws. Remove the operation unit, and discon-
nect the connector.
6) Remove the right cabinet.
7) Remove the left cabinet.
8) Remove the screw, and remove the rear cover.
9) Remove the table glass.
1)
1)
1)
2)
1)
1)
1)
1)
1)
2)
3)
3)
3)
3)
3)
3)
3) 3)
4)
NO.
Part name Ref.
1
Copy lamp unit
2
Copy lamp
3
Lens unit
2)
4)
5)
6)
7)
8)
1)
1)
1)
3)
1)
1)
MX-B200 DISASSEMBLY AND ASSEMBLY 8 - 4
10) Move the carriage to the position indicated on the figure.
11) Loosen the screw which is fixing the tension plate.
12) Move the tension plate in the arrow direction to release the ten-
sion, and remove the belt.
13) Remove the screw, and remove the rod stopper.
14) Remove the rod.
15) Lift the rear side of the carriage, remove the belt and the con-
nector, and remove the carriage.
C. Assembly procedure
CCD core
1) Insert the CCD-MCU harness into the CCD PWB of the car-
riage unit.
2) Attach the CCD-MCU harness to the duplex tape on the back
surface of the carriage unit. Clean and remove oil and dirt from
the attachment surface.
the attachment surface.
3) Pass the CCD-MCU harness through the square hole in the
base plate.
4) Attach the CCD-MCU harness to the base plate with duplex
tape.
5) Attach two cable fixing sheets to fix the CCD-MCU harness to
the base plate.
6) Pass the core through the CCD-MCU harness and fix the core.
7) Insert the CCD-MCU harness into the MCU PWB.
1)
2)
4)
3)
1)
2)
3)
1)
2)
4)
3)
Note: Attach the FFC to the base
plate securely with duplex tape to
prevent against coming loose.
plate securely with duplex tape to
prevent against coming loose.
Note: Attach the FFC to
fit with the marking line.
fit with the marking line.
Marking line.
MX-B200 DISASSEMBLY AND ASSEMBLY 8 - 5
4. Fusing section
A. List
B. Disassembly procedure
1) Remove the connectors (3 pcs.) of the rear cabinet.
2) Open the side cover, remove two screws, and remove the fus-
ing unit.
3) Cut the binding band, remove the screw, and remove the ther-
mistor.
4) Remove the screw and remove the resistor.
Remove the screw and remove the U-turn guide.
Note: Check to confirm that the fusing lower earth spring (A) does
not extend over the fusing bearing (B) after tightening the
screw.
screw.
Pressure roller section disassembly
5) Remove the three screws, remove the fusing cover lower on the
right side, and open the heat roller section.
No.
Part name Ref.
1
Thermistor
2
PPD2 sensor
3
Heater lamp
4
Pressure roller
5
Heat roller
1)
2)
3)
2)
1)
2)
3)
Thermistor
1)
2)
3)
A
B
1)
5)
5)
6)
6)
4)
3)
2)
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