Drum Drive - Ricoh FW 810 Service Manual

6 January 1990

1.3 DRUM DRIVE

[B]
[E]
[F]
[D]
[C]
[G]
[J]
[I]
[H]
[A]
The OPC drum [A] is 80 millimeters in diameter and 970 millimeters long. It
turns constantly when the main motor [B] is on.
When the main motor turns on, drive is transmitted to the drum as follows:
⇒ ⇒ ⇒
main motor drive gear [C] idle gear [D] main drive pulley gear [E] drum
⇒ ⇒ ⇒
drive belt [F] drum drive gear [G] drum flange [H] drum
When the drum knob [I] is tightened, the right flange [J] presses firmly against
the drum so that the drum is held tightly between the flanges. The drum and
flanges turn together when the main motor is on.
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