MX-6240N, MX-7040N (serv.man28). Section 9 Maintenance - Updated November 2012 - Sharp Copying Equipment Service Manual (repair manual). Page 5

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MX-7040N  MAINTENANCE  9 – 5
Tray paper 
feed 
section
Tray paper feed 
unit
6
Paper pickup roller
Replace according to each paper 
feed counter value: Replace at 100K 
or after one-year use.
7
Paper feed roller
8
Separation roller
9
Torque limiter
Replace according to each paper 
feed counter value: 800K
10
Transport roller 9, 10
11
Transport roller 2, 3
12
Sensors
For the reflection-type sensor, the 
other side must be also cleaned.
Transport paper guides
Paper feed tray
13
Sensors
For the reflection-type sensor, the 
other side must be also cleaned.
Manual 
paper feed 
section
Manual paper 
feed unit
1
Paper pickup roller
Replace according to each paper 
feed counter value: Replace at 100K 
or after one-year use.
2
Paper feed roller
3
Separation roller
4
Torque limiter
Replace according to each paper 
feed counter value: 800K
5
Transport roller 8
6
Sensors
For the reflection-type sensor, the 
other side must be also cleaned.
Transport paper guides
Paper 
transport 
section
Interface unit
1
Transport roller 6
2
Transport roller 7
3
Sensors
For the reflection-type sensor, the 
other side must be also cleaned.
Transport paper guides
Right vertical 
transport unit
4
Sensors
For the reflection-type sensor, the 
other side must be also cleaned.
Transport paper guides
Vertical transport 
unit
5
Transport roller 11
6
Transport roller 12
7
Sensors
For the reflection-type sensor, the 
other side must be also cleaned.
Transport paper guides
LCC transport 
unit
8
Transport roller 14
9
Transport roller 15
10
Transport roller 16
11
Sensors
For the reflection-type sensor, the 
other side must be also cleaned.
Transport paper guides
PS lower unit
12
Transport roller 13
Transport paper guides
PS unit
13
Transport roller 17
14
Registration roller (drive)
15
Registration roller (idle)
16
Sensors
For the reflection-type sensor, the 
other side must be also cleaned.
17
Paper dust removing unit
Transport paper guides
LSU 
section
LSU
1
Dust-proof glass
LSU cleaning rod
2
Cleaning base
Toner supply section
1
Toner cartridge
User replacement for every toner empty.
The storage period is 2 years.
Developing 
section
Developing unit 
(monochrome)
1
Developer
Replace at 600K or at the specified 
rotation number.
The storage period is 2 years.
2
DV blade
Replace as needed.
3
DV side seals F/R
Replace as needed.
4
Toner filter
Replace as needed.
5
Bias  pin
6
Connector
Developing unit 
(color)
1
Developer
Replace at 400K or at the specified 
rotation number.
The storage period is 2 years.
2
DV blade
Replace as needed.
3
DV side seals F/R
Replace as needed.
4
Toner filter
Replace as needed.
5
Bias  pin
6
Connector
Section
Unit
No.
Maintenance parts
When 
calling
Every 
200K
Every 
300K
Every 
400K
Every 
600K
Every 
1500K
Remark
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