DOWNLOAD Sharp MX-6240N / MX-7040N (serv.man29) Service Manual ↓ Size: 48.94 MB | Pages: 72 in PDF or view online for FREE

MX-7040N  DISASSEMBLY AND ASSEMBLY  10 – 69

3)

When inserting the fusing belt and the heat roller, be careful
not to hit them on the belt edge.

D. Inhibition
Never execute the following items, which may cause breakage of
the belt.
1)

Never press the surface with your fingers.

2)

Never hold the edge.

3)

Never hit on the edge.

j. Main thermistor, Sub thermistor 1, Sub thermistor 2
1)

Remove the fusing belt.

2)

Remove the screw, and remove the cover. Remove the main
thermistor, and the sub thermistor 1. Check the main ther-
mistor, and the sub thermistor 1.

3)

Remove the screw, and remove the sub thermistor 2.
Check the sub thermistor 2.

k. Lower thermistor 1, Lower thermistor 2
1)

Remove the fusing belt unit.

2)

Check the lower thermistor 1, and the lower thermistor 2.

MX-7040N  DISASSEMBLY AND ASSEMBLY  10 – 70

a. Transport roller 19, Paper exit roller 2, Discharge brush
1)

Remove the screw, and remove the cover.

2)

Remove the screw, and remove the cover. Disconnect the con-
nector of the right paper exit upper unit. Remove the screw,
and remove the right paper exit upper unit.
Clean the transport roller 19, and the paper exit roller 2.

3)

Remove the screw of the right paper exit upper unit, and
remove the paper guide.

4)

Check the discharge brush.

CAUTION: When replacing the discharge brush, attach to the

attachment reference.

b. Transport roller 20, Transport roller 21
1)

Open the ADU open/close door, and clean the transport roller
20, and the transport roller 21.

Edge

ref
erence

0mm

0.5mm

Edge reference

Edge reference

Edge

ref

erence

0mm

0.5mm

MX-7040N  DISASSEMBLY AND ASSEMBLY  10 – 71

c. Transport roller 22
1)

Remove the manual paper feed unit.

2)

Clean the transport roller 22.

a. Paper exit roller 1
1)

Remove the screw, and remove the fan cover.
Clean the paper exit roller 1.

b. Discharge brush
1)

Check the discharge brush.

CAUTION: When replacing the discharge brush, attach to the

attachment reference.

1)

Remove the rear cabinet and the upper cabinet rear cover and
the right cabinet rear.

2)

Remove the screw, and open the high voltage MC PWB
mounting plate downward.

3)

Remove the screw, and open the MFP mother mounting unit
upward. Hang the support plate on the machine frame.

4)

Disconnect the connector from fusing motor. Remove the
screw, and remove the fusing motor.

Edge reference

0mm

0.5mm

Edge reference

0mm

0.5mm

Edge

ref

erence

0.5mm

0mm

MX-7040N  DISASSEMBLY AND ASSEMBLY  10 – 72

1)

Remove the filter cover from the upper rear cabinet, and
remove the deodorizing filer.

1)

Remove the screw from the rear cabinet, and remove the filter
cover.

2)

Remove the screw, and remove the filter box.

3)

Remove the toner filter and the ozone filter from the filter box.

CAUTION: When attaching the ozone filter, slide it to the toner filter

side and insert it.