Sharp MX-2314N Service Manual page 456

F. Toner supply section
(1) Electrical and mechanism relation diagram
Signal name Name
CRUM CRUM (Y, M, C, K)
TNM_C Toner motor (C)
TNM_K Toner motor (K)
TNM_M Toner motor (M)
TNM_Y Toner motor (Y)
No. Name
1 Toner transport screw
2 Toner stirring plate
(2) Operational descriptions
Based on the print pixel count and the process control information, Yes/No of toner supply is judged.
When it is judged that the toner density is decreasing, the toner motor is rotated to supply toner in the toner cartridge through the toner trans-
port screw and the toner duct to the developing unit.
Saves various data of the toner cartridge.
Supplies toner from the toner cartridge (C) to the developing unit.
Supplies toner from the toner cartridge (K) to the developing unit.
Supplies toner from the toner cartridge (M) to the developing unit.
Supplies toner from the toner cartridge (Y) to the developing unit.
Transports toner from the toner cartridge to the developing unit.
Moves the toner stirring plate and toner to the toner transport screw to assist the toner transport operation.
MX-3114N OPERATIONAL DESCRIPTIONS 13 – 36
Function/Operation
Function/Operation