57
(2) First Regulator Blade / Second Regulator Blade
• Regulates the amount of toner supplied to the Developing Roller.
(3) Developing Roller
• Carries toner, whose amount has been regulated by the Regulator Blades.
(4) Developing Bias
• Applied to the Developing Roller to ensure that an adequate amount of toner is fed to the
PC Drum.
(5) Toner Empty Detection
• Toner consumption is calculated from image data for toner empty detection.
• When a toner-empty condition is detected, the corresponding message is displayed on
the control panel.
(6) Bias Seal
• Recovers toner that has not stuck to the PC Drum.
5
7
6
1
3
1
6
7
5
2
4
4
3
8
4131m010
4131M007AA
4131M008AA
1. Developing Roller
2. PC Drum
3. First Regulator Blade
4. Second Regulator Blade
5. Regulator Blade Bias
6. Developing Bias
7. Developing Seal Bias
8. Bias Seal