Drum Unit KATUN compatible with Konica Minolta Bizhub C258/C308 DR-313, color

The KATUN color drum unit compatible with Konica Minolta Bizhub C258/C308 (for use with DR-313) is a replacement imaging drum designed to transfer toner onto paper in color laser multifunction printers. It matches the OEM form factor and connection points to fit into the printer’s imaging system and restore color print production for office and home environments. The unit is intended for routine maintenance and cartridge replacement cycles where the original drum has reached end-of-life or shows image quality deterioration.

Advantages

This KATUN drum unit is engineered to provide consistent image transfer and maintain color accuracy across a range of media weights. It conforms to the physical layout and electrical interfaces of the Konica Minolta drum it replaces, which simplifies installation and reduces the risk of mechanical fit issues. The unit supports continued printer uptime by allowing scheduled maintenance without requiring OEM parts, helping to manage operating costs while preserving print quality.

Suitable for

• Replacing a worn or end-of-life drum in Konica Minolta Bizhub C258 and C308 printers
• Office environments requiring reliable color print production
• Small business or home offices performing routine printer maintenance
• Service technicians performing cartridge and drum replacement tasks

Key specifications

• Compatibility: designed for Konica Minolta Bizhub C258 and C308 class devices using the DR-313 drum
• Color: color drum intended for cyan, magenta, or yellow/black imaging assemblies depending on printer configuration
• Form factor: matches OEM mechanical and electrical connection points for direct replacement
• Function: photoconductor drum for transferring toner image to paper
• Intended use: replacement unit for maintenance cycles to restore print quality

How to use

Power off the printer and follow the device manufacturer’s service instructions to access the drum compartment. Remove the used drum assembly according to Konica Minolta guidelines, taking care to avoid exposure to light and to handle components by their designated grips. Install the KATUN drum unit in the correct orientation until connection points engage, then close the compartment and power the printer on. After installation, run a calibration or test print as recommended by the printer to verify alignment and color output.

Usage recommendations

Store the drum unit in its original packaging away from direct sunlight and excessive heat or humidity. Use the replacement within the recommended period after opening to avoid contamination. Replace the drum when print defects such as streaks, fading, or repeated spots appear, and follow the printer’s maintenance schedule to ensure consistent color quality and reliable operation.