Introduction
This manual provides essential information for the proper handling, installation, and maintenance of your original Develop DR512 Drum Unit, model A2XN1TH. This drum unit is designed to work seamlessly with compatible Develop Ineo+ series multifunction devices, ensuring high-quality print output for approximately 75,000 pages.

The image shows the Develop A2XN1TH DR512 Drum Unit in its original cardboard packaging. The box features the 'DEVELOP' brand logo, the model number 'A2XN1TH', and indicates 'Drum Unit DR512 (Yellow, Magenta, Cyan)'. Shipping and handling symbols are visible on the left side, including recycle, fragile, handle with care, maximum temperature (40°C), keep dry, and umbrella (keep away from water). The box also states 'Made in Malaysia' and provides contact information for KONICA MINOLTA BUSINESS SOLUTIONS EUROPE GmbH.
Safety Precautions
- Always turn off and unplug the printer before installing or replacing the drum unit.
- Avoid touching the surface of the drum unit, as fingerprints or scratches can affect print quality.
- Keep the drum unit away from direct sunlight or strong artificial light.
- Store the drum unit in its original packaging until ready for use to protect it from light and dust.
- Keep out of reach of children.
Setup and Installation
The Develop DR512 Drum Unit is designed for easy installation. For detailed, step-by-step instructions, always refer to the specific user manual of your Develop Ineo+ series multifunction device. The general procedure involves:
- Preparation: Ensure the printer is powered off and unplugged. Open the front cover or access panel of your printer as indicated in your printer's manual.
- Removal of Old Unit: Carefully remove the used drum unit from its slot. Place it in a protective bag for proper disposal.
- Unpacking New Unit: Remove the new Develop DR512 Drum Unit from its packaging. Handle it by the designated areas, avoiding contact with the sensitive drum surface.
- Installation: Align the new drum unit with the guides in the printer and gently slide it into place until it clicks securely.
- Completion: Close the printer's cover or access panel. Plug in and power on the printer. The printer will typically perform a self-check and recognize the new drum unit.
Note: Dispose of the old drum unit according to local regulations. Refer to the recycling information provided by Develop or your local waste management facility.
Operating Information
The drum unit is a critical component in the electrophotographic printing process, responsible for transferring the toner image onto the paper. Once installed, the Develop DR512 Drum Unit operates automatically as part of your printer's normal function.
- Expected Yield: This drum unit is designed to produce approximately 75,000 pages at 5% coverage. Actual yield may vary significantly based on images printed, print settings, paper type, and frequency of printing.
- Monitoring: Your printer's display or software utility will typically notify you when the drum unit is nearing the end of its life and requires replacement.
Maintenance
The Develop DR512 Drum Unit is a sealed component and requires no routine user maintenance. Attempting to clean or repair the drum unit yourself can damage it and void any potential warranty.
- Storage: Store unused drum units in a cool, dry place, away from direct sunlight and extreme temperatures (maximum 40°C). Keep them in their original sealed packaging to prevent exposure to light and dust.
- Handling: Always handle the drum unit carefully to avoid dropping it or damaging its sensitive surface.
Troubleshooting
If you experience print quality issues or error messages related to the drum unit, consider the following:
| Problem | Possible Cause | Solution |
|---|---|---|
| Faded or Light Prints | Drum unit nearing end of life; low toner; incorrect print settings. | Check toner levels. If drum unit yield is reached, replace it. Adjust print density settings on your printer. |
| Streaks or Spots on Prints | Damaged drum surface; foreign material on drum; toner leakage. | Carefully remove and re-install the drum unit. If issues persist, the drum unit may be damaged and require replacement. Do not attempt to clean the drum surface with abrasive materials. |
| "Replace Drum" Message | Drum unit has reached its estimated page yield. | Replace the drum unit with a new one. Follow the installation steps in your printer's manual to reset the drum counter. |
| Printer Not Recognizing Drum Unit | Improper installation; faulty unit. | Ensure the drum unit is correctly seated and locked into place. Power cycle the printer. If the problem persists, contact support. |
For more complex issues, consult your printer's comprehensive user manual or contact Develop customer support.
Specifications
| Brand | Develop |
| Model Name | A2XN1TH |
| Product Type | Original Drum Unit (DR512) |
| Estimated Page Yield | 75,000 pages (at 5% coverage) |
| Compatible Colors | Cyan, Magenta, Yellow (for use with corresponding toner cartridges) |
| Compatible Devices |
|
| Product Dimensions | 10 x 48 x 50 cm (approx.) |
| Item Weight | 380 grams (approx.) |
Warranty and Support
Warranty Information: Specific warranty terms for the Develop DR512 Drum Unit are typically provided at the point of purchase or within the product packaging. Please retain your proof of purchase for any warranty claims.
Customer Support: For questions regarding the use, installation, or troubleshooting of your Develop DR512 Drum Unit, competent and fast customer support is available. Please contact Develop or your authorized reseller via their official communication channels, such as email or their website's contact form.
For recycling information, please refer to http://www.develop.eu/weee as indicated on the product packaging.





