The
Ricoh Black Imaging Unit IM C4500/C6000 (including Developing Unit)
is a genuine, high-yield printer component available for purchase from various online retailers. The unit is typically identified by part numbers like D0BN2234 or D0BN2240.
Product Information & Specifications
The black imaging unit for the Ricoh IM C4500 and IM C6000 models is a combined unit that includes both the drum (photoconductor) and developer unit.
- Compatibility: This unit is compatible with Ricoh IM C3000, IM C3500, IM C4500, IM C5500, and IM C6000 printers.
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Estimated Yield:
- Imaging Drum: The black imaging drum unit is rated for an estimated yield of up to 100,000 pages (based on 5% coverage on A4 paper).
- Developing Unit: The black developer unit has a higher estimated yield of up to 600,000 pages, though some sources may list different yields depending on specific testing conditions.
- Part Numbers: The imaging drum unit may be referred to by part numbers such as D0BN2234 or D0BN2240, while the developer unit is associated with part numbers like D0BQ3000 or D0BQ3030.
- Installation: According to some sellers, the installation of the developer unit should be performed by a technician and requires proper machine programming.

