Sharp AR-203 (serv.man5) Service Manual ▷ View online
AR-203E/5420/M200/M201 DISASSEMBLY AND ASSEMBLY 8 - 5
2) Remove the screws (4 pcs.), the harness, and the operation
panel unit.
3) Remove four screws, and remove the operation cabinet.
4) Remove four screws, and remove the operation PWB.
(AR-203E/5420)
(AR-M200/M201)
C. Assembly procedure
For assembly, reverse the disassembly procedure
3. Optical section
A. List
B. Disassembly procedure
1) Remove four screws, and remove the rear cabinet and the rear
cabinet cover.
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
1)
3)
2)
4)
2)
5)
5)
5)
5)
1)
1)
2)
2)
1)
AR-203E/5420/M200/M201 DISASSEMBLY AND ASSEMBLY 8 - 6
2) Remove two screws, and remove the earth wire.
3) Disconnect the connector.
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.
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
tension, 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.
2)
4)
5)
7)
8)
1)
1)
1)
3)
1)
1)
1)
2)
4)
3)
1)
2)
3)
1)
2)
4)
3)
AR-203E/5420/M200/M201 DISASSEMBLY AND ASSEMBLY 8 - 7
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.
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.
Note: Attach the FCC 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 FCC to
fit with the marking line.
fit with the marking line.
Marking line.
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
AR-203E/5420/M200/M201 DISASSEMBLY AND ASSEMBLY 8 - 8
4) Remove the screw and remove the resistor.
Remove the screw and remove the U-turn guide.
Note: When installing the resistor, check to confirm that the dis-
charge brush section (A) is in contact with the upper heat
roller.
roller.
Also check to confirm that the fusing lower earth spring (B)
does not extend over the fusing bearing (C) after tightening
the screw.
does not extend over the fusing bearing (C) after tightening
the 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.
6) Remove the screw and remove the PPD2 sensor.
7) Remove the plate spring on the right and remove the heater
lamp.
8) When opening the fusing unit, slide the fusing lower earth
spring in the arrow direction, and open the unit.
If the fusing unit is opened without sliding the fusing lower earth
spring, the fusing lower earth spring is deformed.
spring, the fusing lower earth spring is deformed.
If the fusing lower earth spring is once deformed, the earth
function may not work properly. Replace the deformed spring
with a new one.
function may not work properly. Replace the deformed spring
with a new one.
3)
4)
1)
2)
A
B
C
1)
5)
5)
6)
6)
4)
3)
2)
1)
2)
PPD2 sensor
1)
2)
Heater lamp
Click on the first or last page to see other AR-203 (serv.man5) service manuals if exist.