The cartridge of this machine consists of the Photosensitive Drum, Primary Charging Roller, Developing Sleeve, Stirring Plate,
etc.
The parts other than the Primary Charging Roller are rotated by the drive of the Main Motor, and the Primary Charging Roller
rotates by engaging with the Photosensitive Drum.
The DC Controller detects the toner level by monitoring the toner level detection signal.
■ Cartridge Memory
This machine can detect and store the cartridge usage conditions and other information when the DC Controller PCB reads and
writes the data stored in the cartridge memory.
If the cartridge memory cannot be detected, "Cannot print Cart. may be non-canon/counterfeit." is displayed.
■ Cartridge Detection
The DC Controller detects whether a cartridge is installed according to the presence/absence of cartridge memory and the
detected toner level. The DC Controller notifies the Main Controller of the absence of a cartridge if it judges there is no cartridge.
Detection timing:
• At power-on
• When closing the Front Cover
Display on the Control Panel:
• Insert toner cartridge.
■ Cartridge Life Detection
The DC Controller notifies the Main Controller when cartridge consumption reaches the specified value.
Upon reception of the notification the Main Controller displays a warning or a message that the cartridge has reached the end of
its life.
2. Technical Explanation (Device)
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