Sharp AL-2020 (serv.man2) Service Manual ▷ View online
AL-2040 DISASSEMBLY AND ASSEMBLY 8 - 3
3) Remove four screws, and remove the operation cabinet.
4) Remove four 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 four screws, and remove the rear cabinet and the rear
cabinet cover.
2) Remove two screws, and remove the earth wire.
3) Disconnect the connector.
4) Remove the SPF unit.
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.
NO.
Part name Ref.
1
Copy lamp unit
2
Copy lamp
3
Lens unit
1)
1)
1)
1)
2)
3)
3)
3)
3)
3)
3)
3) 3)
4)
1)
1)
2)
2)
1)
1)
2)
3)
1)
2)
4)
5)
6)
7)
8)
1)
1)
1)
3)
1)
1)
AL-2040 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
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.
C. Assembly procedure
CCD core
1) Pass the core through the CCD-MCU harness.
2) Insert the CCD-MCU harness into the CCD PWB connector of
the carriage unit.
3) Move the core which was passed through the CCD-MCU har-
ness near the CCD PWB connector as shown in the figure
below, and fix it with a filament tape (19mm wide, 40mm long).
For the attachment reference, refer to the figure below. Clean
and remove oil from the attachment section.
below, and fix it with a filament tape (19mm wide, 40mm long).
For the attachment reference, refer to the figure below. Clean
and remove oil from the attachment section.
4) Attach the CCD-MCU harness to the duplex tape on the back
of the carriage unit.
5) Attach the PWB holder to the position specified in the figure
below.
6) Pass the core through the FFC and the PWB holder, and fix
the core.
1)
2)
4)
3)
1)
2)
3)
1)
2)
4)
3)
Marking line
Note: Attach the FFC
to fit with the marking line.
to fit with the marking line.
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.
AL-2040 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 U-turn guide.
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.
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)
1)
5)
5)
6)
6)
4)
3)
2)
1)
2)
PPD2 sensor
AL-2040 DISASSEMBLY AND ASSEMBLY 8 - 6
7) Remove the plate spring on the right and remove the heater
lamp.
8) Remove the spring, and remove the upper separation pawls (3
pcs.).
9) Remove the E-ring and remove the reverse gate.
10) Remove the spring, and remove the lower separation pawls (4
pcs.).
11) Remove the pressure release levers on the right and the left
sides.
12) Remove the pressure roller, the pressure bearing, and the
spring.
Note: Apply grease to the sections specified with an asterisk (
∗).
Grease: "JFE552" UKOG-0235FCZZ
1)
2)
Heater lamp
3)
1)
2)
2)
1)
3)
2)
2)
2)
1)
2)
1)
1)
1)
2)
2)
1)
3)
3)
Pressure roller
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