Sharp MX-C250 Service Manual page 216

'13/Oct
2
G. LSU section
✕: Check (Clean, replace, or adjust according to necessity.)
No. Unit name
1
LSU
2
2
Others
Part name
Dust-proof glass
LSU cleaning unit
MX-C250 MAINTENANCE 9 – 14
: Clean : Replace : Adjust ✩: Lubricate
When 75 K 150 K 225K
calling
X X X X
  
X
300 K Remark
X

Replace as needed