MX-C250 OPERATIONAL DESCRIPTIONS 11 – 17
11.Toner supply section
A.Electrical and mechanism relation diagram
B.Operational descriptions
This model is judging the toner supplying based on the print pixel counts and process control data.
When toner density is judged low, the toner clutch is activated supplying toner, by an auger, from the toner cartridge to the developer unit
Signal name Name Function and operation
CRM
(Y,M,C,K)
Crum Stores data related to control of the toner cartridge. Detects a new toner cartridge.
TNC Y(Y) Toner clutch (Y) Drives the toner transport screw in the toner cartridge to supply toner (Y) to the developer car-
tridge.
TNC M(M) Toner clutch (M) Drives the toner transport screw in the toner cartridge to supply toner (M) to the developer car-
tridge.
TNC C(C) Toner clutch (C) Drives the toner transport screw in the toner cartridge to supply toner (C) to the developer car-
tridge.
TNC K(K) Toner clutch (K) Drives the toner transport screw in the toner cartridge to supply toner (K) to the developer car-
tridge.
No. Name Function and operation
1 Toner transport screw Transports toner in the toner cartridge.
2 Toner mixing sheet Mixes toner in the toner cartridge.
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