Main Unit Theory of Operation Toner Cartridge (TC) / TC Overall Composition
2-9
II Composition/Operation
[21]
Hopper • Loaded with toner that is conveyed onto the Develop-
ing Unit by way of the Conveyance Pipe
• Capacity
Toner Cartridge shipped with machine: Quantity equiv-
alent to 3000 printed pages
Standard Toner Cartridge: Quantity equivalent to 6000
printed pages
High-Capacity Toner Cartridge (magicolor 5440 DL/
5450 only): Quantity equivalent to 12,000 printed
pages
• Single-component SMT toner
[22]
Developing Unit • Applies a uniform coat of toner fed from the Hopper to
the surface of the Photo Conductor
[23]
Developing Motor/Y, M, C (M1) • Drives the rollers and screws of the Y, M, or C Devel-
oping Unit
• De-energized in the monochrome mode
• Brushless DC motor
[24]
Developing Motor/K (M5) • Drives the rollers and screws of the K Developing Unit
• Provides drive also for the Waste Toner Box
• Brushless DC motor
[25]
Color PC Drum Motor (M2) • Drives the Y, M, and C Photo Conductors
• De-energized in the monochrome mode
• Brushless DC motor
[26]
Intermediate Transport Motor (M3) • Drives the K Photo Conductor
• Provides drive also for the conveyance section, 2nd
transfer section, media feed section, and other parts
[27] Toner Supply Motor/Y, M (M6) • Drives the Agitating Blades and Conveyance Screws
of the Y, M, C, and K Hoppers
• Stepping motor
[28]
Toner Supply Motor/C, K (M7)
Key Name Function/system
5430DL_5440DL_5450_TO_PDF.book 9 ページ ２００５年４月１２日 火曜日 午後４時４９分
