Sharp AL-2020 (serv.man2) Service Manual ▷ View online
AL-2040 DISASSEMBLY AND ASSEMBLY 8 - 7
Heat roller disassembly
(Continued from procedure (4).)
5) Remove screws, remove the fusing cover, and open the heat
roller section.
6) Remove the C-ring and the fusing bearing, and remove the
heat roller.
7) Remove the parts from the heat roller.
Note: Apply grease to the sections specified with
∗1.
Grease: "JFE552" UKOG-0235FCZZ
8) Remove two screws and remove the thermo unit.
Note: The set temperature of the thermostat differs from that of the
current model.
C. Assembly procedure
For assembly, reverse the disassembly procedure.
5. Tray paper feed/transport section
A. List
B. Disassembly procedure
1) Remove two screws, and remove the hinge guide R.
2) Disconnect the connector. (2 positions)
3) Remove five screws, and remove the scanner unit.
4) Remove the fan duct.
Temperature
Current model
210°C
AL-2020/2040
230°C
1)
2)
2)
3)
3)
1)
2) 3)
Heat roller
3)
2)
1)
1
1
2
Apply grease "GU-2" (UKOG-0255FCZZ)
to the fusing gear surface
to the fusing gear surface
∗
2.
No.
Part name Ref.
1
PPD1 sensor PWB
2
LSU unit
3
Intermediate frame unit
4
Paper feed roller
1)
2)
3)
2)
2)
1)
2)
2)
2)
2)
2)
3)
AL-2040 DISASSEMBLY AND ASSEMBLY 8 - 8
5) Remove each connector and four screws, and remove the
MCU PWB.
6) Remove the PWB insulation mylar and remove the paper
transport detection sensor (PPD2).
7) Remove two screws and remove the toner motor.
8) Remove two springs and open the intermediate frame unit.
1)
1)
1)
1)
2)
2)
3)
2)
1)
1)
2)
1)
1)
2)
1)
2)
AL-2040 DISASSEMBLY AND ASSEMBLY 8 - 9
9) Remove the pulleys on the both sides and remove the paper
exit roller.
10) Pull out the paper exit roller knob and remove the belt.
11) Release the belt pulley lock and remove the belt pulley bear-
ing.
12) Remove the paper exit roller.
13) Remove the harness guide.
4)
2)
1)
3)
1)
2)
2)
3)
1)
AL-2040 DISASSEMBLY AND ASSEMBLY 8 - 10
14) Remove five screws and remove the main drive plate and the
belt.
15) Remove the parts as shown below, and remove the pressure
release solenoid and the paper feed solenoid.
16) Remove four screws, and remove the paper guide unit.
17) Remove four screws, and remove the LSU unit.
[Note for assembling the LSU]
When installing the LSU, turn the LSU clockwise and fix with
screws in order to provide an attachment backlash in the
proper direction.
screws in order to provide an attachment backlash in the
proper direction.
Observe the following sequence of fixing screws.
1)
3)
2)
1)
CAUTION:Attach the gears securely
3)
3)
1)
1)
2)
2)
4)
4)
2)
1)
1)
1)
1)
1)
1)
2)
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