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Main Unit Theory of Operation Toner Cartridge (TC) / TC Overall Composition
2-7
II Composition/Operation
3. Toner Cartridge (TC) / TC Overall Composition
3.1 Composition
Key Name Function/system
[1] Conveyance Screw • Feeds toner in the Hopper to the Conveyance Pipe
[2]
Conveyance Pipe • The pipe through which toner is conveyed from the
Hopper to the Developing Unit
[3]
Charge Neutralizing Sheet • Electrically removes toner off of the surface of the
Developing Roller
• The charge neutralizing bias voltage is applied to this
sheet
[4]
Developing Roller • Supplies toner fed by the Supply Roller to the surface
of the Photo Conductor
• Conveys toner to the surface of the Photo Conductor
through potential difference
• The developing bias voltage is applied to this roller
• A given distance from the Photo Conductor is main-
tained by means of the Ds Roll
• Single component developing system
[5]
Photo Conductor • The drum surface on which an image of each color of
toner is formed for subsequent transfer of the image to
the Transfer Belt
•OPC drum (φ30 mm)
4138to2017c0
4138to2503c0
4138to2005c1
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[12]
[13]
[14]
[15]
[16]
[17]
[18]
[19]
[20]
[21]
[22]
[25], [26]
[27], [28]
[5]
[23], [24]
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