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Drum Units

The drum-unit is an important component in the copier/MFP/laserprinter. Its primary role is to attract the toner particles by electrostatic polarities. Also known as Photoconductor-Unit (PCU) or Imaging-Unit (IU), the design of the drum-unit vary depending on the brand and model of the device.

Recent models in laserprinter and MFPs make use of toner cartridges with built-in drum-units. The combination cartridge and drum allows the printer to operate at higher print speeds. This is because the cartridge and drum-unit can synchronize better and therefore operate at reduced response times as compared to devices that are loading a separate toner cartridge and imaging-unit. In case of a defect service-cost tend to be lower as the complete toner-/drum-unit can be replaced instead of searching for the failure in the drum-unit and toner-section separately. However, combined toner cartridges and imaging-units are not cost-efficient in the long run because the drum-unit is still serviceable when the cartridge’s toner supply runs out. Consequently working drum-unit is being disposed with the empty toner cartridge.

Depending on the OEM brand and machine model Drum-Units today have life-times up to 300’000 prints and more. To work over such a long time and different operational conditions stable is even for the OEMs a big challenge for the major components built-in such as OPC-drum, developer and blade. Quite often we therefore see an hear from OEM dealers that also the OEM drum-units to not achieve the specified life-time which in some cases is prompting then the OEM to modify their drum-units.

Our drum-units are made to meet or at least reach a life-time that is very close the life-time that is specified by the OEM

As with the toner we are partnering wiht the best manufacturer to ensure high and consistent quality while offering our distributors a substantial cost-saving against the respective OEM

For detailed information please see our

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