Ricoh BR-C1a Basic Service Training page 393

 The ITB/PTR cleaning motor [7] drives the PTR [1], PTR cleaning
roller [5], lubricant roller [2], and used toner collection coil [6].
 Paper dust is removed from the PTR by the cleaning roller [5] (a
soft brush roller), and the cleaning blade [4] also cleans the
surface of the roller.
 Paper dust and toner removed from the surface of the roller drop
into a rotating toner collection coil [6] for transport to the toner
collection bottle.
Slide 393
 This motor also drives the cleaning unit in the image transfer belt unit.
Cleaning
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BR-C1 Training