Sharp MX-B201D (serv.man9) Service Manual ▷ View online
MX-B201/B201D UNPACKING AND INSTALLATION 5 - 11
5) Attach the Optical right hole mylar B at the 2 positions shown in
the diagrams below which are at the top of the rear side of the
main unit.
main unit.
Note: The holes should be covered with the mylar.
Attach along the edge of the cushion (the yellow line in the dia-
gram below).
gram below).
Align with the inside line of the bent part (the yellow line in the
diagram below).
diagram below).
Align with the raised part (the yellow line in the diagram below).
Match the center of the mylar (in the horizontal direction) to the
center of the raised part.
center of the raised part.
6) Attach the Scanner motor metal plate cushion at 1 position on
the attachment plate of the motor on the rear side of the main
unit.
unit.
Note: The hole on the top of the motor unit should be covered
with the mylar.
Align the edge of the metal plate and the edge of the cushion
(the yellow line in the diagram below).
(the yellow line in the diagram below).
7) Attach the Scanner upper surface cushion on the top and the
rear side at the rear side of the main unit.
Align the cushion with the side of the raised part (the yellow line
in the diagram below).
in the diagram below).
Bend the part which is sticking out to the rear side of the scan-
ner and attach to the surface.
ner and attach to the surface.
Press the cushion at the steps shown in the diagram so that
there will be no gap.
there will be no gap.
Press the cushion to make sure all the holes are covered.
Stick the excessive part on the side.
Stick the excessive part on the side.
Press and attach the cushion aligning it to the metal plate so
that there will be no gap between them.
that there will be no gap between them.
20mm - 25mm
Do not cover this hole.
Align the edge of the cushion with
the edge of the metal plate.
the edge of the metal plate.
MX-B201/B201D UNPACKING AND INSTALLATION 5 - 12
8) Bend the edge of the Scanner motor lower mylar and stick
together.
9) Attach the Scanner motor lower mylar at 1 position under the
motor attachment plate on the rear side of the main unit.
Note: The mylar should cover the hole under the motor unit.
Attach matching the hole (the yellow mark in the diagram) and
along with the side edge (the yellow arrow in the diagram).
along with the side edge (the yellow arrow in the diagram).
Disconnect the motor harness from the connector and take off
the snap band from the hole.
the snap band from the hole.
Press the mylar with a sharp-pointed stick or something so that
it is stuck correctly.
it is stuck correctly.
10) Attach the Scanner motor metal plate cushion covering the bot-
tom part of the Scanner motor lower mylar.
Note: The hole under the motor unit should be covered.
Attach the cushion to cover the gap between the mylar and the
metal plate (the yellow mark).
metal plate (the yellow mark).
Press the cushion with a sharp-pointed stick or something to fill
the gap between the mylar and the metal plate.
the gap between the mylar and the metal plate.
11) Attach the motor connector and the snap band to the original
position.
12) Attach the Scanner UPG mylar J3 to cover the hole on the right
side of inside of the scanner.
Note: The mylar should cover the hole shown by the arrow in
the diagram.
Attach along with the bent part of the metal plate and align the
edge of the mylar with the line shown in the diagram (the yellow
line in the diagram).
edge of the mylar with the line shown in the diagram (the yellow
line in the diagram).
Stick together.
Stick together.
Stick the lower part of the cushion to the mylar, too.
MX-B201/B201D UNPACKING AND INSTALLATION 5 - 13
13) Attach the Fan housing cushion to the cooling fan at the posi-
tion shown in the diagram below.
Cover the top and the right side of the fan housing when you
see the fan housing from the backside of the machine.
see the fan housing from the backside of the machine.
Note: Please make sure the double-sided tape is not exposed
where the cushion is sticking out from the edge of the fan
housing.
housing.
Attach the cushion leaving 3 - 7mm from the edge so that the
gap between the Fan housing cushion and the filter of the rear
cabinet is filled for sure.
gap between the Fan housing cushion and the filter of the rear
cabinet is filled for sure.
14) Attach the parts removed in the items 1), 2), and 3).
A
View from
the arrow A
the arrow A
Back side
Attach the cushion leaving 3 - 7mm
from the edge.
from the edge.
Reference position
3 - 7mm
MX-B201/B201D COPY PROCESS 6 - 1
[6] COPY PROCESS
1. Functional diagram
(Basic operation cycle)
(20 microns thick)
Aluminum drum
Pigment layer (0.2
to 0.3 microns thick)
to 0.3 microns thick)
An OPC drum is used for the photoconductor.
(Structure of the OPC drum layers)
(Structure of the OPC drum layers)
OPC layer
Main charger
Laser beam
MG roller
Cleaning blade
Drum
Transfer unit
Resist roller
Exposure
Main high voltage unit
Saw tooth
Charge
Drum
Cleaning
Cleaning blade
Waste toner box
Paper release
Fusing
Separation
Heat roller
Heater lamp
Transfer
Transfer charger
Transfer high
voltage unit
voltage unit
Developing
Toner
Developer
Print process
Paper transport route
Semiconductor laser
Manual feed
PS roller
Focus correction lens
Electrode
Synchronization
with drum
Cassette
paper feed
To face
down tray
down tray
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