AL-1456 (serv.man9). Disassembly and assembly part 1 - Sharp Copying Equipment Service Manual (repair manual)

al-1456 (serv.man9) service manual
Model
AL-1456 (serv.man9)
Pages
16
Size
1.79 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Disassembly and assembly part 1
File
al-1456-sm9.pdf
Date

Read Sharp AL-1456 (serv.man9) Service Manual online

AL-1555 DISASSEMBLY AND ASSEMBLY 8 - 1
[8] DISASSEMBLY AND ASSEMBLY
The disassembly and assembly procedures are described for the fol-
lowing sections:
1.
High voltage section
2.
Operation panel section
3.
Optical section
4.
Fusing section
5.
Tray paper feed/transport section
6.
Manual paper feed section
7.
Rear frame section
8.
Power section
9.
SPF section
10. 2nd cassette section
11. Duplex motor section
12. Reverse roller section
13. RSPF section
1. High voltage section
A. List
B. Disassembly procedure
1) Press the side cover open/close button and open the side cover.
2) Push up the lock pawls (2 positions) of the side cover, and remove
the transfer charger.
C. Assembly procedure
For assembly, reverse the disassembly procedure.
D. Charger wire cleaning
1) Remove the charger cleaner from the manual paper feed unit.
Before disassembly, be sure to disconnect the power cord for
safety.
1. Do not disconnect or connect the connector and the harness
during the machine is powered. Especially be careful not to
disconnect or connect the harness between the MCU PWB
and the LSU (MCU PWB: CN119) during the machine is
powered. (If it is disconnected or connected during the
machine is powered, the IC inside the LSU will be destroyed.)
2. To disconnect the harness after turning on the power, be
sure to turn off the power and wait for at least 10 sec before
disconnection. (Note that a voltage still remains immediately
after turning off the power.)
No.
Part name Ref.
1
Transfer charger unit
2
Charger wire
1)
2)
2)
1)
1)
Transfer
charger
Lock pawl rear
Lock pawl front
1)
AL-1555 DISASSEMBLY AND ASSEMBLY 8 - 2
2) 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.
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.
• 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.
2) Remove the screws (4 pcs.), the harness, and the operation panel
unit.
1)
2)
3)
4)
1mm
1.5mm
Fig.1
1)
1)
2)
3)
Charger wire
Protrusion
No.
Part name Ref.
1
Operation panel unit
2
Operation PWB
1)
2)
1)
1)
1)
1)
2)
3)
AL-1555 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 the connector and the clamp, and remove the RSPF unit.
3) Remove the four screws, remove the operation unit, and discon-
nect the connector.
4) Remove the right cabinet.
5) Remove the left cabinet.
6) Remove the screw, and remove the rear cover.
7) 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)
4)
Note that there are 10 pawls
2)
1)
1)
1)
1)
3)
5)
4)
1)
2)
1)
1)
2)
4)
5)
6)
7)
8)
1)
1)
3)
AL-1555 DISASSEMBLY AND ASSEMBLY 8 - 4
8) Move the carriage to the position indicated on the figure.
9) Loosen the screw which is fixing the tension plate.
10) Move the tension plate in the arrow direction to release the ten-
sion, and remove the belt.
11) Remove the screw, and remove the rod stopper.
12) Remove the rod.
13) Lift the rear side of the carriage, remove the belt and the connec-
tor, 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 harness
near the CCD PWB connector as shown in the figure below, and fix
it with a filament tape (19mm wide, 40mm long). For the attach-
ment 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.
Note: Attach the FFC to the base
plate securely with duplex tape to
prevent against coming loose.
Page of 16
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