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MX-7500N  MAINTENANCE  9 – 25

MX-7500N  MAINTENANCE  9 – 26

X: Check (Clean, replace, or adjust according to necessity.)

O: Clean

: Replace

: Adjust

 : Lubricate

Waste toner 
collection section

1

Waste toner box

X

X

Replacement reference: 100K under 
the standard environmental conditions 
(20 - 25degrees C 65 +/- 5%) at the 
color ratio of "7 : 3 (Black : Color)" in the 
print ratio 5% document mode.

2

Sensors

X

X

For the reflection-type sensor, the other 
side must be also cleaned.

3

Gear

X

X

4

Bearing

X

X

MX-7500N  MAINTENANCE  9 – 27

X: Check (Clean, replace, or adjust according to necessity.)

O: Clean

: Replace

: Adjust

: Lubricate

Fusing unit

1

Fusing belt

-



2

Fusing roller

-



When replacing, apply grease 
(UKOG-0235FCZZ) to the shaft 
section.

3

Pressure roller

-



When replacing, apply grease 
(UKOG-0235FCZZ) to the shaft 
section.

4

Separation plate

-



Clean when a foreign material is 
attached.

5

Lower separation pawl

-



Clean when a foreign material is 
attached.

6

Meandering suppress collar

-



7

Heating roller

-



8

Fusing roller bearing

-



9

Heating roller bearing

-



10

Pressure roller bearing

-



11

Heat-insulating bush

-



12

Pressure roller gear

-



13

24T Gear

-



Including the pressure roller kit.

14

Main thermistor

X

X

15

Sub thermistor 1

X

X

16

Sub thermistor 2

X

X

Replace or clean with alcohol as 
needed.

17

Lower thermistor 1

X

X

18

Lower thermistor 2

X

X

Replace or clean with alcohol as 
needed.

19

Transport roller 18

X

O

20

Gears

Apply to the specified position.

21

Web roller

-



22

Web guide shaft

-



23

Web pressure roller

-



24

Web pressure roller bearing

-



25

Fusing paper exit detector

-

X

26

Fusing front paper pass detector

-

X

For the reflection-type sensor, the 
other side must be also cleaned.

27

Sensors

X

X

For the reflection-type sensor, the 
other side must be also cleaned.

-

Paper guides

O

O

-

Fusing unit

-



Replace at 300K when replacing 
the unit.

-

Web cleaning motor

-



Replace at 300K when replacing 
the unit.(Including the unit 
exchange)

MX-7500N  MAINTENANCE  9 – 28