MX-6240N, MX-7040N (serv.man28). Section 9 Maintenance - Updated November 2012 - Sharp Copying Equipment Service Manual (repair manual). Page 18

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MX-7040N  MAINTENANCE  9 – 18
H. Developing section
✕
: Check (Clean, replace, or adjust according to necessity.)

: Clean
: Replace
: Adjust
✩
: Lubricate
Unit
No.
Maintenance parts
When 
calling
Every 
200K
Every 
300K
Every 
400K
Every 
600K
Every 
1500K
Remark
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
✕
✕
1
2
5
6
4
3
3

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