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MX-3640N Dehumidifying heater 3 – 7
(2) Heater unit attachment
1) Remove the tray 1.
2) Attach the heater unit to the main unit, and secure it with the
screw (M4 x 10 P-tight).
Pass the harness of the hea ter through the hole on the main
Pass the harness of the hea ter through the hole on the main
unit frame.
3) Fix the earth wire and washer with a screw. Connect the con-
nector.
Pass the WH harness under the C CS-WH harness to the
switch.
(3) External fixture attachment
1) Attach the left cabinet lower.
2) Attach the left cabinet.
3) Attach the rear cabinet.
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1
CSS-WH harness
WH harness
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2
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2
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2
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MX-3640N Dehumidifying heater 3 – 8
C. Scanner heater kit installation
(1) External fixture removal
1) Remove the paper exit cover.
2) Remove the left cabinet.
3) Remove the left cabinet upper.
4) Remove the rear cabinet.
(2) SCN-WH harness connection
1) Remove the harness guide and disconnect the connector.
2) Connect the SCN-WH harness connector to the scanner
frame.
3) Hang the SCN-WH harness to the main drive unit.
4) Connect the SCN-WH harness to the WH PWB.
2
1
1
2
1
2
2
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1
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2
MX-3640N Dehumidifying heater 3 – 9
(3)
Scanner heater unit assembly
1)
Secure the marking position on the harness of the scanner
heater to the heater fixing plate with the banding band.
heater to the heater fixing plate with the banding band.
2)
Extend the harness, and secure the other position of it with
banding band.
banding band.
Do not secure the harnes on the higher part of the heater
plate.
plate.
3)
Tighten the snap band and cut its tip to approx. 5 mm or less.
Slide the banding band head to the square hole (Part that is
enclosed by the mark).
enclosed by the mark).
The banding band head and cut tip must not protrude behind
the heater fixing plate.
the heater fixing plate.
(4)
Table glass removal
1)
Remove the glass holder. Remove the table glass and the SPF
glass.
glass.
(5)
Scanner heater unit attachment
1)
Attach the clamp to the scanner frame.
When installing, be careful to prevent damage of the wire.
2)
Remove two screws from the scanner bottom.
3)
Connect the harness of the scanner heater. Attach the scanner
heater unit, and fixing the screw (M3 x 4 Round-tipped).
heater unit, and fixing the screw (M3 x 4 Round-tipped).
Fix the cable with
the marking part.
the marking part.
13 - 15 mm
The distance between
the edge of the tube and
the edge of the connector
the edge of the tube and
the edge of the connector
2
2
1
2
MX-3640N Dehumidifying heater 3 – 10
4) Attach the scanner heater and secure it with the screw (M4 x 6
S tight bind). Pass the harness through the clamp.
The convex part of the scanner heater must be inserted into
the hole of the scanner frame.
5) Tighten the loose scanner heater harness by pulling it in the
arrow direction and secure it with the snap band then cut its tip
to approx. 5 mm or less. When the length of the harness is
short, do not tighten the snap band firmly.
6) Move the lamp unit by hand and check that it move smoothly in
all movable area.
Check that there is no interference of the harness of the scan-
ner heater in the wire and the 2/3 mirror unit.
(6) Table glass attachment
1) Attach the SPF glass and the table glass. Att ach the glass
holder.
When installing the glass holder, slide it to the left until it clicks,
and fix it with screws.
2) Connect the connector and attach the harness guide
1
2
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