Sharp MX-3500N / MX-3501N / MX-4500N / MX-4501N (serv.man12) Service Manual ▷ View online
MX3501N DISASSEMBLY AND ASSEMBLY 5 – 10
14) Remove the DSPF No.2 resist roller brake clutch and the
DSPF No.2 resist roller clutch. (Refer to "4. Lower transport
section - C. DSPF No.2 resist roller brake clutch, D. DSPF
No.2 resist roller clutch.")
section - C. DSPF No.2 resist roller brake clutch, D. DSPF
No.2 resist roller clutch.")
15) Remove the DSPF cooling fan motor. (Refer to "7. Drive sec-
tion - C. Others - (1) DSPF cooling fan motor.")
16) Remove the E-ring, the washer, the spring, the collar, the poly-
slider, and the bearing.
17) Loosen the screw. Loosen the belt tension. Tighten the screw.
Slide the roller. Remove the pulley, the E-ring, and the bearing.
Remove the No.2 resist roller (drive).
Remove the No.2 resist roller (drive).
H. DSPF paper pass sensor 5
I. Transport roller 2 (Drive)
1)
Remove the front cabinet. (Refer to "1. Exterior section - A.
DSPF unit - (1) Front cabinet.")
DSPF unit - (1) Front cabinet.")
2)
Remove the rear cabinet. (Refer to "1. Exterior section - A.
DSPF unit - (2) Rear cabinet.")
DSPF unit - (2) Rear cabinet.")
3)
Remove the OC mat. (Refer to "8. Others - A. OC mat.")
4)
Loosen the screw, and lower the angle adjustment plate. Open
the DSPF unit.
the DSPF unit.
5)
Remove the screw, and remove the lift-up PG.
6)
Remove the screw, and remove the intersecting point plate.
Remove the lower door.
Remove the lower door.
7)
Open the lower door. Remove the screw. Remove the trans-
port PG lower. Disconnect the connector.
port PG lower. Disconnect the connector.
8)
Disconnect the connector, and remove the DSPF paper pass
sensor 5.
sensor 5.
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MX3501N DISASSEMBLY AND ASSEMBLY 5 – 11
9)
Remove the DSPF No.1 resist roller brake clutch and the
DSPF No.1 resist roller clutch. (Refer "3. Upper transport sec-
tion - A. DSPF No.1 resist roller brake clutch - B. DSPF No.1
resist roller clutch.")
DSPF No.1 resist roller clutch. (Refer "3. Upper transport sec-
tion - A. DSPF No.1 resist roller brake clutch - B. DSPF No.1
resist roller clutch.")
10) Remove the drive unit. (Refer to "7. Drive section - A. Drive
unit.")
11) Disconnect the connector. Remove the screw, and remove the
control PWB unit.
12) Loosen the screw, and loosen the belt tension. Tighten the
screw. Remove the belt. Remove the E-ring and the pulley.
13) Remove the resin E-ring. Slide the bearing. Remove the trans-
port roller 2 (drive). Remove the bearing, the E-ring, and the
spring pin from the transport roller 2 (drive).
spring pin from the transport roller 2 (drive).
J. Transport roller 3 (drive)
1)
Remove the front cabinet. (Refer to "1. Exterior section - A.
DSPF unit - (1) Front cabinet.")
DSPF unit - (1) Front cabinet.")
2)
Remove the rear cabinet. (Refer to "1. Exterior section - A.
DSPF unit - (2) Rear cabinet.")
DSPF unit - (2) Rear cabinet.")
3)
Remove the paper feed unit. (Refer to "2. Paper feed section -
B. Paper feed unit.")
B. Paper feed unit.")
4)
Remove the DSPF No.1 resist roller brake clutch and the
DSPF No.1 resist roller clutch. (Refer to "3. Upper transport
section - A. DSPF No.1 resist roller brake clutch, B. DSPF
No.1 resist roller clutch.")
DSPF No.1 resist roller clutch. (Refer to "3. Upper transport
section - A. DSPF No.1 resist roller brake clutch, B. DSPF
No.1 resist roller clutch.")
5)
Remove the drive unit. (Refer to "7. Drive section - A. Drive
unit.")
unit.")
6)
Remove the resin E-ring, and remove the No.1 resist roller
(idle).
(idle).
7)
Remove the screw. Lift the paper feed rotation tray, and
remove the paper feed PG lower.
remove the paper feed PG lower.
8)
Disconnect the connector. Remove the screw, and remove the
control PWB unit.
control PWB unit.
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MX3501N DISASSEMBLY AND ASSEMBLY 5 – 12
9)
Loosen the screw, and loosen the belt tension. Tighten the
screw. Remove the belt.
screw. Remove the belt.
10) Remove the resin E-ring and the bearing. Remove the trans-
port roller 3 (drive). Remove the E-ring, the pulley, the spring
pin, and the bearing from the transport roller 3 (drive).
pin, and the bearing from the transport roller 3 (drive).
5. Optical section
A. Lamp unit
1)
Remove the front cabinet. (Refer to "1. Exterior section - A.
DSPF unit - (1) Front cabinet.")
DSPF unit - (1) Front cabinet.")
2)
Remove the rear cabinet. (Refer to "1. Exterior section - A.
DSPF unit - (2) Rear cabinet.")
DSPF unit - (2) Rear cabinet.")
3)
Remove the OC mat. (Refer to "8. Others - A. OC mat.")
4)
Remove the connector from the DSPF CL inverter PWB.
5)
Remove the screw, and remove the intersecting point plate.
Remove the lower door.
Remove the lower door.
6)
Remove the screw, and remove the intersecting point plate.
Remove the white reference plate.
Remove the white reference plate.
7)
Remove the screw, and remove the scanning section cover.
Remove the screw, and remove the lamp unit.
Remove the screw, and remove the lamp unit.
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MX3501N DISASSEMBLY AND ASSEMBLY 5 – 13
(1) Scanning glass
(2) DSPF copy lamp
(3) Reflector
1)
Open the DSPF unit, and open the lower door.
2)
Remove the cleaner.
3)
Use the cleaner to clean the scanning glass (surface).
4)
Remove the front cabinet. (Refer to "1. Exterior section - A.
DSPF unit - (1) Front cabinet.")
DSPF unit - (1) Front cabinet.")
5)
Remove the rear cabinet. (Refer to "1. Exterior section - A.
DSPF unit - (2) Rear cabinet.")
DSPF unit - (2) Rear cabinet.")
6)
Remove the OC mat. (Refer to "8. Others - A. OC mat.")
7)
Remove the lamp unit. (Refer to "5. Optical section - A. Lamp
unit.")
unit.")
8)
Remove the screw, and remove the DSPF copy lamp.
9)
Clean the scanning glass (back surface).
10) Remove the screw, and remove the reflector.
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