Sharp MX-C250 Service Manual page 215

F.Transfer section
✕: Check (Clean, replace, or adjust according to necessity.) ○ : Clean : Replace : Adjust ✩: Lubricate
No. Unit name
1 Primary transfer unit
2 Secondary transfer unit
Part name When
calling
Primary transfer unit
Secondary transfer roller
MX-C250 MAINTENANCE 9 – 13
75 K 150 K 225K

X - -
X - O -
300 K Remark

Replace at 150K or 2 year of use.
O Replace as needed