Sharp MX-6580N / MX-7580N (serv.man4) Service Manual ▷ View online
MX-7580N Dehumidifying heater kit 3 – 7
7)
Move the lamp unit by hand and check that it move smoothly in
all movable area.
all movable area.
NOTE: Check that there is no interference of the harness of
the scanner heater in the wire and the 2/3 mirror unit.
8)
Attach the SPF glass, and fix by the screw. Attach the table
glass. Attach the glass holder, and fix by the screw.
glass. Attach the glass holder, and fix by the screw.
D. Installation of the LSU heater kit
(1)
Assembling of the LSU heater unit
1)
Hook pawls on Insulation holder to the LSU heater mount plate
and attach the Insulation holder.
and attach the Insulation holder.
2)
Attach LSU heater and fix it with screws (M3×5 S-tight) and
washers (3-8).
washers (3-8).
(2)
Attach the LSU heater unit
1)
Open the front cover.
2)
Open the tandem paper feed tray.
3)
Remove the screw, and remove the left cabinet upper.
4
3
1
2
2
1
5
1
2
MX-7580N Dehumidifying heater kit 3 – 8
4)
Remove the screw, and remove the cover.
5)
Disconnect the connector from LSU. Remove the screw, and
pull out the LSU.
pull out the LSU.
6)
Attach the LSU heater unit, and fix by the screw (M4 x 8 S-
tight).
tight).
7)
Connect the connector of LSU heater harness, and fix the
snap band to the frame.
snap band to the frame.
8)
Insert the LSU, and fix by the screw. Connect the connector
into the LSU.
into the LSU.
9)
Attach the cover, and fix by the screw.
10) Attach the left cabinet upper, and fix by the screw.
11) Close the tandem paper feed tray.
12) Close the front cover.
2
1
1
1
1
2
2
1
1
3
2
1
1
2
2
2
2
2
3
3
1
1
2
2
2
2
2
1
MX-7580N Dehumidifying heater kit 3 – 9
E. Installation of the tandem heater kit
(1)
Assembling of the tandem heater unit
1)
Affix the heater harness sheet onto the heater mount plate.
Attach the tandem heater to the heater mount plate, and fix by
the screw (M3 x 8 S-tight).
the screw (M3 x 8 S-tight).
NOTE: Degrease the affixing surface with alcohol before affix-
ing the heater harness sheet.
2)
Affix the heater cover sheet onto the heater cover.
NOTE: Degrease the affixing surface with alcohol before affix-
ing the heater cover sheet.
3)
Attach the heater mount plate to the heater cover, and fix by
the screw (M3 x 8 S-tight).
the screw (M3 x 8 S-tight).
Attach the snap band of the heater harness to the heater
cover.
cover.
(2)
Attach the tandem heater unit
1)
Remove the tray 3 and tray 4.
2)
Attach the step screw (M3) and edge holder to the frame.
Put the tandem heater unit on the step screw (M3) and fix it
with the tight screw (M4 x 6 S-tight).
Put the tandem heater unit on the step screw (M3) and fix it
with the tight screw (M4 x 6 S-tight).
3)
Pass the heater harness through the edge holder.
Pass the heater harness through the hole on the rear frame,
and fix by the snap band.
and fix by the snap band.
3
2
1
2
1
2
3
1
3
4
2
1
2
2
2
MX-7580N Dehumidifying heater kit 3 – 10
4)
Connect the connector of heater harness and WH harness.
5)
Attach the high temperature warning label to the tray 3.
F. Installation of the cassette heater kit (R)
(1)
Assembling of the cassette heater
1)
Attach the cassette heater to the heater mount plate, and fix by
the screw (M3 x 8 S-tight).
the screw (M3 x 8 S-tight).
NOTE: Be careful of the direction of each part.
Align the directions of the heater mount plate and the
dehumidifier heater with the pawls.
dehumidifier heater with the pawls.
2)
Attach the heater mount plate to the heater cover, and fix by
the screw (M3 x 8 S-tight).
the screw (M3 x 8 S-tight).
Fix the snap band of heater harness to the heater cover.
3)
Affix the high temperature warning label onto the heater cover.
Cassette tray 3
2
1
Heater cover
M3 x 8 S-tight M3 x 8 S-tight
M3 x 8 S-tight
Pawl
Pawl
Dehumidifier
heater
heater
Harness
Heater mount
plate
plate
2
1
2
3
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