Ricoh MP C307 Field Service Manual page 553

PCDU
OPC Drum
Callout
[A] Waste Toner Transport Coil
[B] Lubricant Brush roller
[C] Lubricant
[D] Drum Cleaning Blade (Counter Rotation)
[E] Charge Roller
Charge Mechanism
A charge roller [E] charges the surface of the OPC drum [G] and drives the charge roller cleaning roller [F].
OPC Drum
This machine uses an organic photo conductor drum (OPC drum) [G] for image creation.
The laser exposes the drum from the machine's front to the rear, and the image developed transfers to the ITB
(Image Transfer Belt). Then the ITB transports the created image.
Drum Cleaning Mechanism
The drum cleaning blade [D] cleans the drum (counter rotation method).
Drum cleaning and lubricant application are done at the same time.
The lubricant is applied with the lubricant brush roller [B].
The lubricant brush roller rotates in the opposite direction to the OPC drum.
Toner and foreign objects are removed from the edges of the blade by rotating the drum counterclockwise when
a copy job is done.
The waste Toner Transport Coil [A] transports the waste toner collected with the drum cleaning blade to the
Item Callout
[F] Charge Roller Cleaning Roller
[G] OPC Drum
[H] Image Transfer Belt (ITB)
[I] Image Transfer Roller (1st Transfer Roller)
Item
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