Sharp MX-6500N / MX-7500N (serv.man12) Service Manual ▷ View online
MX-7500N Dehumidifying heater kit 3 – 5
5) Pass the WH harness through the harness lifter.
Connect the WH harness to the AC power PWB, the WH PWB
and the dehumidifier heater switch.
C. Installation of the scanner heater kit
(1) Assembling of the scanner heater unit
1) Secure the marking posit ion on the ha rness of the scanner
heater to the heater fixing plate with the banding band.
2) Extend the harness, and secure the other position of it with
banding band.
3) Tighten the snap band and cut its tip to approx. 5 mm or less.
Slide the banding band head to the square hole.
NOTE: The banding band head and cut tip must not protrude
behind the heater fixing plate.
(2) Attach the scanner heater unit
1) Remove the screw, and remove the glass holder. Remove the
table glass. Remove the screw, and remove the SPF glass.
2) Attach the clamp to the scanner frame.
NOTE: When installing, be careful to prevent damage of the
wire.
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MX-7500N Dehumidifying heater kit 3 – 6
3) Remove two screws from the scanner bottom.
4) Connect the harness of the scanner heater. Install the heater
fixing plate of the scanner heater unit, and secure it with the
screw (M3 x 4 Round-tipped).
5) Install the scanner heater and secure it with the screw (M4 x 6
Bind machine screw). Pass the harness through the clamp.
NOTE: The convex part of the scanner heater must be
NOTE: The convex part of the scanner heater must be
inserted into the hole of the scanner frame.
6) 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.
7) Move the lamp unit by hand and check that it move smoothly in
all movable area.
NOTE: Check that there is no interference of the harness of
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.
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MX-7500N Dehumidifying heater kit 3 – 7
D. Installation of the LSU heater kit
(1) Assembling of the LSU heater unit
1) Attach the LSU heater to the LSU heater mount plate, and fix
by the screw (M3 x 4 S-tight).
(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.
2) Open the tandem paper feed tray.
3) Remove the screw, and remove the left cabinet upper.
4) Remove the screw, and remove the cover.
5) Disconnect the connector from LSU. Remove the screw, and
pull out the LSU.
6) Attach the LSU heater unit, and fix by the screw (M3 x 8 S-
tight).
7) Connect the connector of LSU h eater harness, and fix the
snap band to the frame.
8) Insert the LSU, and fix by the screw. Connect the co nnector
into the LSU.
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MX-7500N Dehumidifying heater kit 3 – 8
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.
12) Close the front cover.
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).
NOTE: Degrease the affixing surface with alcohol before affix-
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).
Attach the snap band of the heate r harness to the heate r
Attach the snap band of the heate r harness to the heate r
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).
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