Ricoh BR-C1a Basic Service Training page 414

 If a blockage occurs in either the upper or lower
used toner path, the machine will issue SC448.
 In this case, the mechanism must be
 The jammed duct or pipe must be replaced.
 Rotate the used toner transport motor.
 If the motor does not turn easily, this means there
 The motor drives the belts for both paths, so you
Slide 414
No additional notes
Replacement and Adjustment
disassembled to determine if the upper duct or
lower pipe is jammed with clumped toner.
is a blockage in the upper used toner path, lower
used toner path, or both.
will not be able to determine which path is
blocked until the drive belts are disconnected.
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BR-C1 Training