Development Unit
D255/D256/M281/M282 7-16 SM
7.4 DEVELOPMENT UNIT
The development unit consists of the development roller that forms the magnetic brush, the
development blade and the development agitators that agitate the toner in the development unit.
The toner sensor checks whether or not toner remains in the development unit.
No. Name No. Name
1 Development roller 6 Toner supply roller
2 Development blade 7 Toner agitator
3 Development agitator A 8 Toner cartridge
4 Development agitator B 9 Development blade
5 Development case