
If you're encountering a waste toner nearly full message on your Lexmark 28ET651 printer, it's important to address this issue promptly to avoid print quality degradation or potential damage to the machine. The waste toner container collects excess toner residue during printing, and when it nears capacity, the printer alerts you to replace or empty it. To resolve this, first, consult your printer's manual or Lexmark's official support resources for model-specific instructions. Typically, you'll need to access the waste toner container, which is often located near the toner cartridges or imaging unit, and carefully remove and replace it with a new one. If your printer allows for waste toner container resetting, follow the provided steps to clear the nearly full message after replacement. Always handle waste toner with care, as it can be messy and potentially harmful if inhaled. Regular maintenance and timely replacement of consumables will ensure your Lexmark 28ET651 continues to operate efficiently.
| Characteristics | Values |
|---|---|
| Model Compatibility | Lexmark 28ET651 (CX310dn, CX410e, CX510de, etc.) |
| Issue Description | Waste toner container nearly full error message displayed on printer. |
| Cause | Accumulation of waste toner in the collection unit. |
| Solution 1: Empty Waste Toner Box | 1. Power off the printer. 2. Locate and remove the waste toner box. 3. Empty the waste toner into a plastic bag. 4. Reinsert the box and power on the printer. 5. Reset the waste toner counter (if applicable). |
| Solution 2: Replace Waste Toner Box | Purchase a new waste toner box (part number varies by model) and replace it following the printer manual instructions. |
| Solution 3: Reset Waste Toner Counter | Access the printer's service menu (requires specific key combinations) and reset the waste toner counter. Note: This is a temporary fix and does not empty the waste toner box. |
| Precaution | Avoid inhaling waste toner dust; wear a mask and gloves during handling. |
| Frequency of Maintenance | Replace or empty the waste toner box every 30,000 to 50,000 pages (varies by usage). |
| Error Code | "Waste Toner Container Nearly Full" or similar message on display. |
| Part Number (Example) | 78C0W00 (varies by printer model; verify before purchase). |
| Cost of Replacement | Approximately $50–$100 USD (varies by retailer and region). |
| DIY Difficulty Level | Moderate (requires careful handling and access to printer components). |
| Professional Assistance | Recommended if unsure about the process or if the printer is under warranty. |
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What You'll Learn

Empty Waste Toner Container
The Lexmark 28ET651 printer's waste toner container is a critical component that collects excess toner during printing. When the printer alerts you that the waste toner container is nearly full, it’s essential to address this promptly to avoid print quality issues or potential damage. The first step in resolving this problem is understanding how to empty the waste toner container safely and effectively. Unlike some printers, the Lexmark 28ET651 does not require replacing the entire waste toner box; instead, it allows for manual emptying, which can save costs and reduce waste.
To empty the waste toner container, start by powering off the printer and unplugging it to ensure safety. Locate the waste toner container, typically found near the toner cartridges or imaging unit. Carefully remove the container, following the manufacturer’s instructions to avoid spills. Over a trash bin or designated waste disposal area, gently shake the container to dislodge the toner residue. Ensure all toner is removed, as even small amounts can trigger the "nearly full" alert prematurely. Reinsert the container firmly, ensuring it clicks into place, and power the printer back on.
While emptying the waste toner container is a practical solution, it’s crucial to handle toner with care. Toner particles are fine and can become airborne, posing health risks if inhaled. Always work in a well-ventilated area and consider wearing a mask or gloves. Avoid touching your face during the process, and wash your hands thoroughly afterward. Additionally, dispose of the waste toner according to local regulations, as it may be classified as hazardous material in some regions.
Comparing this method to replacing the waste toner container outright, manual emptying is cost-effective and environmentally friendly. However, it requires precision and caution to avoid spills or contamination. If you’re uncomfortable performing this task, consult a professional technician or consider purchasing a replacement container. Regularly monitoring the waste toner level and addressing it before it reaches capacity can prevent disruptions and extend the printer’s lifespan.
In conclusion, emptying the waste toner container on the Lexmark 28ET651 is a straightforward yet delicate process. By following safety precautions and proper techniques, you can resolve the "nearly full" alert efficiently. This approach not only saves costs but also aligns with sustainable practices, making it a valuable skill for printer maintenance.
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Reset Toner Full Message
The "Toner Full" message on your Lexmark 28ET651 isn't just an annoyance; it's a warning that your printer's waste toner reservoir is nearing capacity. This reservoir collects excess toner during printing, and ignoring the message can lead to messy leaks and potential damage to your printer.
While replacing the waste toner bottle is the recommended solution, there are situations where a temporary reset might be necessary.
Understanding the Reset Process
A "reset toner full message" essentially tricks your printer into believing the waste toner reservoir is empty. This is achieved by manipulating the printer's internal memory, which tracks toner levels. It's crucial to understand that this is a temporary fix and doesn't actually empty the reservoir. The waste toner will continue to accumulate, and you'll eventually need to replace the bottle to avoid overflow.
Important Note: Resetting the toner full message without addressing the underlying issue (a full waste toner bottle) can lead to toner spills, printer malfunctions, and even void your warranty.
Resetting Methods: Proceed with Caution
Several methods claim to reset the toner full message on Lexmark printers. These often involve specific button sequences or utilizing third-party software. However, it's essential to approach these methods with caution:
- Button Sequences: Some online forums suggest pressing a series of buttons on the printer's control panel in a specific order. These sequences can vary depending on the printer model and firmware version. Caution: Incorrect button sequences can potentially damage your printer's firmware. Always verify the sequence for your specific Lexmark 28ET651 model from reliable sources.
- Third-Party Software: Software tools claim to reset toner levels, but their effectiveness and safety are questionable. Downloading and installing such software carries the risk of malware or viruses.
The Responsible Approach: Prioritize Replacement
While a reset might seem like a quick fix, it's a temporary solution with potential risks. The most responsible and long-term solution is to replace the waste toner bottle. Lexmark provides genuine replacement bottles designed for your specific printer model, ensuring optimal performance and preventing leaks.
Refer to your Lexmark 28ET651 user manual for detailed instructions on replacing the waste toner bottle.
Final Thoughts
Resetting the "Toner Full" message should be a last resort, used only when absolutely necessary and with extreme caution. Prioritizing the replacement of the waste toner bottle is the safest and most effective way to ensure your Lexmark 28ET651 continues to operate smoothly and avoid costly repairs. Remember, a little preventative maintenance goes a long way in extending the lifespan of your printer.
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Replace Waste Toner Box
The Lexmark 28ET651, like many laser printers, relies on a waste toner box to collect excess toner during printing. When this box nears capacity, the printer alerts you to prevent potential damage and maintain print quality. Replacing the waste toner box is a straightforward process that ensures your printer continues to operate efficiently.
Steps to Replace the Waste Toner Box:
- Power Down the Printer: Ensure the printer is turned off and unplugged to avoid any electrical hazards.
- Locate the Waste Toner Box: Open the front door of the printer and identify the waste toner box, typically found near the toner cartridges or imaging unit.
- Remove the Old Box: Gently pull the waste toner box straight out of its slot. Be cautious not to spill any residual toner.
- Insert the New Box: Align the new waste toner box with the slot and push it firmly until it clicks into place.
- Reset the Printer: Close the printer door and power it back on. Navigate to the printer’s settings menu to reset the waste toner box counter, if required.
Cautions and Practical Tips:
Always handle the waste toner box with care to avoid toner spills, which can stain surfaces and harm the printer. Wear gloves if necessary. Ensure you purchase a genuine Lexmark waste toner box (part number specific to the 28ET651) to guarantee compatibility and performance. Avoid shaking the waste toner box, as this can cause toner to leak.
Comparative Insight:
Unlike inkjet printers, laser printers require periodic replacement of the waste toner box, not just the toner cartridge. This component is unique to laser technology and plays a critical role in maintaining printer longevity. While it may seem like an additional maintenance task, replacing the waste toner box is far less frequent than changing toner cartridges and is essential for preventing internal damage.
Takeaway:
Replacing the waste toner box in your Lexmark 28ET651 is a simple yet vital task that ensures uninterrupted printing and protects your investment. By following these steps and precautions, you can address the "waste toner nearly full" alert efficiently and maintain optimal printer performance.
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Check Toner Cartridge Leaks
A leaking toner cartridge can exacerbate the "waste toner nearly full" issue in your Lexmark 28ET651 printer by introducing excess toner into the waste reservoir prematurely. Even small leaks can accumulate over time, leading to faster fill-up rates and unnecessary maintenance interruptions. Identifying and addressing leaks is a critical step in prolonging the life of your waste toner container and ensuring consistent print quality.
Begin by inspecting the toner cartridge for visible signs of leakage, such as powder residue around the cartridge edges, on the drum unit, or inside the printer. Pay close attention to the sealing areas, including the drum shutter and the cartridge contacts. If you notice any toner buildup, carefully wipe it away with a lint-free cloth or soft brush to prevent contamination. Avoid using compressed air, as it can disperse toner particles into the printer mechanism.
Next, test the cartridge for leaks by gently shaking it over a sheet of paper or a clean surface. If toner spills out, the cartridge is likely damaged or improperly sealed. In such cases, replace the cartridge immediately, ensuring the new one is compatible with the Lexmark 28ET651 model. Always handle toner cartridges with care, as exposure to skin or inhalation can pose health risks.
For a more thorough diagnosis, remove the cartridge and examine the printer’s internal components for toner residue. If leaks are recurrent, consider using cartridges from reputable suppliers or Lexmark-certified vendors to minimize the risk of defective products. Regularly cleaning the printer’s interior and ensuring proper cartridge installation can also prevent leaks from occurring in the first place.
Addressing toner cartridge leaks not only alleviates the "waste toner nearly full" issue but also improves overall printer performance. By maintaining a leak-free system, you reduce the frequency of waste toner container replacements and avoid potential print defects caused by loose toner particles. This proactive approach saves time, reduces costs, and extends the operational lifespan of your Lexmark 28ET651 printer.
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Clean Printer Sensors
Printer sensors are the unsung heroes of your Lexmark 28ET651, silently monitoring toner levels, paper jams, and other critical functions. When these sensors are dirty or obstructed, they can misread waste toner levels, triggering false "nearly full" alerts. Dust, toner residue, and even tiny paper fibers can accumulate over time, leading to this common issue. Cleaning these sensors is a straightforward yet often overlooked solution that can save you from unnecessary downtime and frustration.
To clean the sensors effectively, start by powering off the printer and unplugging it for safety. Locate the waste toner sensor, typically found near the waste toner box or along the toner cartridge path. Use a soft, lint-free cloth or a cotton swab lightly dampened with isopropyl alcohol (70% concentration is ideal) to gently wipe the sensor’s surface. Avoid excessive moisture, as it can damage the delicate components. For hard-to-reach areas, compressed air can dislodge stubborn particles, but be cautious not to blow toner dust into other parts of the printer.
A comparative analysis reveals that regular sensor maintenance can extend the life of your printer and reduce the frequency of false alerts. While some users rely solely on replacing the waste toner box, this approach is both costly and reactive. Cleaning the sensors, on the other hand, is proactive and cost-effective. It’s akin to changing the oil in your car—a small effort that prevents larger problems down the line. By incorporating this step into your routine printer maintenance, you can ensure accurate readings and smoother operation.
One practical tip is to schedule sensor cleaning every 3–6 months, depending on your printer usage. Heavy users may need to clean more frequently, while occasional users can extend the interval. Keep a log of cleaning dates and any issues resolved afterward to track the effectiveness of this practice. Additionally, always consult your Lexmark 28ET651 manual for specific sensor locations and cleaning recommendations, as models can vary slightly.
In conclusion, cleaning printer sensors is a simple yet powerful fix for the "waste toner nearly full" issue on your Lexmark 28ET651. It requires minimal tools, time, and technical expertise but yields significant benefits. By addressing the root cause of sensor misreads, you not only resolve the immediate problem but also enhance the overall reliability of your printer. Make sensor cleaning a regular part of your maintenance routine, and you’ll enjoy fewer interruptions and a longer-lasting machine.
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