Sharp MX-B200 (serv.man5) Service Manual ▷ View online
MX-B200 DISASSEMBLY AND ASSEMBLY 8 - 6
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.
9) Remove the spring, and remove the upper separation pawls (3
pcs.).
10) Remove the E-ring and remove the reverse gate.
11) Remove the pressure release levers on the right and the left
sides.
1)
2)
PPD2 sensor
1)
2)
Heater lamp
3)
1)
2)
2)
1)
3)
1)
1)
MX-B200 DISASSEMBLY AND ASSEMBLY 8 - 7
12) Remove the pressure roller, and the spring.
Note: Apply grease to the sections specified with an asterisk (*).
Grease: "JFE552" UKOG-0235FCZZ
Heat roller disassembly
(Continued from procedure 4).)
5) Remove screws, remove the fusing cover, and open the heat
roller section.
Note: When opening the fusing unit, be careful not to deform the
fusing lower earth spring as described in the item 8) of
"Pressure roller section disassembly.
"Pressure roller section disassembly.
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.
1)
2)
2)
1)
3)
3)
Pressure roller
1)
2)
2)
3)
3)
1)
2) 3)
Heat roller
Temperature
MX-B200
230°C
3)
2)
1)
1
1
1
1)
2)
3)
MX-B200 DISASSEMBLY AND ASSEMBLY 8 - 8
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.
5) Remove each connector and six screws, and remove the MCU
PWB. (The shape of the MCU PWB differs depending on the
model.)
model.)
6) Remove the PWB insulation mylar and remove the paper trans-
port detection sensor (POD).
7) Remove two springs and open the intermediate frame unit.
No.
Part name Ref.
1
PPD1 sensor PWB
2
POD sensor PWB
3
LSU unit
4
Intermediate frame unit
5
Paper feed roller
2)
2)
1)
2)
2)
2)
2)
2)
3)
3)
2)
1)
1)
1)
2)
2)
2)
2)
1)
1)
2)
1)
1)
2)
MX-B200 DISASSEMBLY AND ASSEMBLY 8 - 9
8) Remove the pulleys on the both sides and remove the paper
exit roller.
9) Disengage the pawl, and remove the roller knob.
10) Disengage the pawl, and shift the pulley and the bearing.
11) Remove the paper exit roller, and remove the belt, the pulley,
and the bearing.
12) Remove the harness guide.
13) Remove two screws and remove the toner motor.
4)
2)
1)
3)
1)
2)
3)
4)
1)
2)
1)
2)
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