Fuser unit Konica Minolta A4FJR70422 for bizhub C454/C454e — yield 600,000 pages

The Konica Minolta fuser unit A4FJR70422 is a factory-specified maintenance part compatible with bizhub C454 and C454e multifunction printers. This fuser performs the heat and pressure fixing of toner to paper and is intended for high-volume black-and-white and colour printing tasks. Supplied as a single unit per pack, the component is designed to restore reliable fusing performance and maintain print quality and media handling when the existing fuser reaches end of life or produces defects.

Advantages

This fuser unit offers a long service life with a rated yield of 600,000 pages, reducing the frequency of replacements in busy office or production environments. It is manufactured to original equipment specifications to ensure consistent temperature control and pressure distribution for even toner fixation across a range of paper weights and media types. Installation as a single, self-contained unit simplifies maintenance and helps minimise downtime during replacement.

Suitable for

• Routine maintenance replacement in offices using bizhub C454 / C454e
• High-volume colour and monochrome document production
• Environments requiring consistent print quality and reliable media handling

Key specifications

• Compatible models: bizhub C454, bizhub C454e
• Rated yield: 600,000 pages (factory specification)
• Function: heat and pressure fusing of toner to paper
• Supply format: single fuser unit per pack
• Designed for use with a variety of paper weights and standard office media

How to use

Turn off and unplug the printer and allow it to cool according to the manufacturer's service instructions before replacing the fuser. Remove the service covers or panels required to access the old fuser, then carefully disconnect and remove the existing unit following the printer’s maintenance guide. Install the replacement fuser by aligning it in place and reconnecting any connectors or securing fasteners. Reassemble the covers, plug in the printer and perform any recommended initialisation or calibration procedures outlined by the device manual to ensure optimal performance.

Usage recommendations

Use original or manufacturer-approved supplies and follow periodic maintenance intervals to achieve the rated yield. Allow the fuser to reach operating temperature before heavy print runs, and avoid using media outside the printer’s specified ranges to reduce the risk of media jams and premature wear.