The Kyocera DK-1150 drum unit is a durable component designed for long-life performance in Kyocera ECOSYS M2040dn, M2135dn, and P2235dn series. However, when you start seeing vertical lines or gray background on your prints, it is usually time to replace the drum and the cleaning blade. Recycling the unit by replacing these specific modules is a professional and eco-friendly way to restore factory-quality printing.
Technical Video Walkthrough
Required Tools for the Repair
To successfully rebuild the drum unit without damaging the sensitive internal components, you will need:
- Phillips Screwdriver – To remove the primary housing screws.
- Small Flat-head Screwdriver – For prying the side locking clips.
- Needle-nose Pliers – To handle the small springs and pins.
- Toner Vacuum – Essential for cleaning the waste toner compartment.
- New Compatible Kyocera DK-1150 Drum Unit
- Original Kyocera DK-1150 Drum Unit
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Step-by-Step Module Replacement & Maintenance
1. Disassembling the Drum Housing
First, carefully remove the side covers and the screws that hold the DK-1150 unit together. In addition, you must be cautious not to lose the small tension springs. These springs maintain vital pressure on the cleaning blade. Consequently, if you lose them, the unit will leak. Furthermore, if you perform a full service on your machine, you should also check our guide on how to fix Kyocera exit sensor paper jams.
2. Replacing the Cleaning Blade
Next, remove the old blade, because a worn-out edge is the main cause of streaks. Therefore, vacuum the waste toner chamber thoroughly before you install the new blade. Additionally, maintain the internal cleanliness of the printer at all times. This task is as vital as knowing how to fix Kyocera fuser paper jams, which technicians perform frequently for this series.
3. Installing the New OPC Drum
Once the unit is clean, slide out the old drum and replace it with a new OPC drum. However, ensure you do not touch the drum surface with bare hands. As a result of touching it, skin oils can cause permanent print defects. Therefore, proper handling is essential for the longevity of the DK-1150 unit.
4. Reassembly and Final Testing
Finally, reattach the side covers and verify that all gears rotate freely. Before you install the unit back into the printer, manually rotate the drum a few times. This ensures that the new cleaning blade has enough lubrication from “yellow powder” or toner to prevent flipping during the first start.
Professional Advice: Always apply a thin layer of starting powder (or toner) to the edge of the new cleaning blade before assembly. If the blade is installed “dry,” it may stick to the drum surface and flip or damage the new drum during the very first rotation.