Messages indicating the cartridge life
Cartridge type Massage
Toner Cartridge Toner cartridge life end
Drum Cartridge Drum cartridge life end
Service Mode
• Setting of the behavior when the cartridge reaches the end of life:
• COPIER > OPTION > FNC-SW > CRG-PROC
• COPIER > OPTION > FNC-SW > DRUM-PROC
Additional Functions Mode/Menu
• Checking remaining toner/drum level:
• [Status Monitor] > [Device Information] > [Cartridge Level]
• Setting of threshold value to display a warning:
• [Menu] > [Adjustment/Maintenance] > [Displ. Timing for Cartridge Prep. Notif.]
■ Developing Roller Engagement/Disengagement Control
Overview
DC Controller controls engagement/disengagement of the Developing Roller and the Photosensitive Drum in the Toner Cartridge.
Execution Condition/Timing
The Developing Roller is engaged or disengaged according to the status of the machine.
Status of the machine Developing Roller
Power Supply Off/Standby Disengagement
Print Engagement
Description
The Developing Roller is engaged with the Photosensitive Drum only at printing.
The Developing Roller is engaged only when needed to prevent deterioration of the Photosensitive Drum for ensuring its maximum
life.
Engagement/disengagement of the Developing Roller is controlled by the DC Controller which drives the Developer
Disengagement Solenoid (SL2) while driving the Main Motor (M2).
The DC Controller detects the current status using the Developer Disengagement Switch (SW1) and determines the state
(engagement or disengagement) of the Developing Roller according to the rotation amount of the Main Motor after the Developing
Disengagement Solenoid starts to be driven.
Photosensitive Drum
DC Controller
Engine Controller PCB
Main Motor
Developer
Disengagement
Solenoid
Developer Disengagement Switch
Solenoid ON
(Engagement)
Solenoid OFF
(Disengagement)
Developing
Roller
SL2
M2
SW1
2. Technology
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