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Compatible Samsung SCX-4521D3 Black Toner

Compatible Samsung SCX-4521D3 Black Toner

Availability: In stock

Quick Overview

Premium Compatible Samsung SCX-4521D3:
SCX4521D3 Black (3500 Pages)


Additional Information

Colour Black
Ink Volume 3500 Pages
Will This Product Work With My Printer?

Other Options For This Product

Customer Reviews

Samsung SCX-4521F toner Review by Mark Edmondson
Toner arrived next day,. Very good service - and free delivery! (Posted on 31/10/2016)

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Your Questions:

The Compatible black Samsung SCX4521D3 toner cartridge is a cheaper alternative of the original Samsung toner. The functionality and reliability factors of this compatible toner are as good as equivalent branded toners.

This Samsung toner delivers a high level of performance to increase the overall printing value of the toner over the genuine products.

The compatible Samsung toner is manufactured by a premium quality toner for bringing crisp monochrome text and image printing with a high resolution. The estimated printing capacity of a Samsung SCX4521D3 toner cartridge is 3,000 pages with @ 5% average coverage.

An advanced toner formula used to manufacture this toner delivers an excellent printing capacity to all the home and office users within the price range of €27.34 Inc. VAT.

The Samsung pack includes

1 x Samsung SCX4521D3 toner cartridge

Ink Volume

3,000 Pages

Compatible with: Samsung SCX-4321, Samsung SCX-4321, Samsung SCX-4521F, Samsung SCX-4321F, Samsung SCX-4521F

Moreover, this compatible Samsung toner cartridge is totally eco-friendly and does not harm your printing performance. The cost-per-page and estimated printing capacity of 3,000 pages inevitably push this product value up over the standard toners in the market.

If you are looking for a toner offers crisp document and image printing with an affordable price, this Samsung SCX4521D3 toner cartridge is ideal for you.

Buy it from us. Your purchase at Printerinkcartridges.ie backed up with exciting services like risk-free shopping, 100% money back guarantee, fast delivery at your doorstep etc.

We have observed, many users have trouble while handling the toner cartridge.

Follow these toner storage tips to get the maximum benefits of the Samsung SCX4521D3 toner cartridge.
  1. If you are not ready to install the toner, do not unpack it. If you do so the quality of toner cartridge will be affected.
  2. Storing the toner cartridge into the same temperature as your machine will help you get the better life of your toner cartridge.
  3. Store your toner in a dark place, as sunlight or even a room light can affect the toner life.
  4. Do not store toner cartridge vertically.
  5. Do not expose the toner cartridge to high temperature.
  6. Do not keep the toner in your car for a longer period of time.
  7. Do not store your toner a place having a high temperature fluctuations.
  8. Keep toner away from the water.
  9. Avoid storing the Samsung SCX4521D3 toner cartridge into dusty places.
  10. Do not store the toner in places having salty air or corrosive gases.
What are indications to redistribute the toner?
  1. If you get white streaks or light printing.
  2. If there is a warning message 'Toner Low' displays on control panel.
  3. If your computer gets a Smart Panel program window says that the toner cartridge is low on toner.
  4. The Status LED lights indicating red.
How to redistribute toner cartridges?
  1. Open the front cover and pull the toner cartridge out.
  2. 5 to 6 times, thoroughly roll the toner to evenly distribute the toner inside the toner cartridge.
  3. Now hold the toner by the handle and install it back into the printer.
  4. The tabs available on the toner’s sides and machine grooves help the toner to take the correct position until it locks into the place completely.
  5. Now close the front cover.
If you are getting toner specks in printing, some of their causes and solutions are as follows:

Cause - The media you are using might not meet printer specifications.
Solution - Check if the input sheets meet the ‘Media Specifications’ of Samsung printer. Using media that meets the Samsung specifications would help to solve this printing problem.

Cause - The paper path may need cleaning.
Solution - Clean your printer. You will find the printer cleaning steps in Samsung printer user manual.

Technical Details

Print TechnologyLaser
Cartridge colourBlack
Page yield3,000 Pages
Package Weight1 Kg
Package Dimensions328 x 155 x 112 mm
Compatibility with Samsung SCX, Samsung SCX-4321, Samsung SCX-4321, Samsung SCX-4521F, Samsung SCX-4321F, Samsung SCX-4521F
Product TypeToner

Samsung SCX4521D3 toner cartridges are economical cartridges provide excellent print to low-volume users and are specially designed to ensure optimal print quality with crisp and dark output from first print to last print.

Samsung SCX4521D3 toner cartridges from Samsung offers consistent high level of print performance. This cartridge is extremely simple to install and replace and offers top quality prints from first to last. This toner cartridge offers a professional edge to all prints, whether you’re printing in the office or at home. This toner cartridge provide you with maximum benefit by using laser printing technology.

This cartridge has high yield of 3000 pages that can help you continue printing for longer. This results in requiring less frequent cartridge changes which significantly reduces print overheads. By reducing the overheads, this toner cartridge creates a more efficient print environment.

This toner cartridges can accurately capture the nuances and depths of tone. In addition to this, the toner cartridge ensures that all your prints will be completed to the highest standard for professional as well as for personal use.

This cartridge offers longer uninterrupted support than off-brand alternatives, thus, easing one of the most common printing headaches. This toner cartridge is suitable for a wide range of printers and provide consistent support to all users. The extra page yield supplied by this toner cartridge has made it hugely popular among the users looking to increase the output of their machines before a replacement is necessary.

Along with the compatible Samsung toner cartridges, the Printer Ink Cartridges also deals in compatible ink and toner cartridges of other leading brands viz. Epson, Brother, HP, Advent, Canon, Kodak, Lexmark, OKI and much more. Browse our best value online shop and get the great deals on compatible ink and toner cartridges.


The following items will need for refilling:
  • Toner powder
  • Fuse
  • Protective latex gloves
  • Long nose pliers
  • Star-head screwdriver
  • Flat head screwdriver
The following instructions below will clearly show you how to refill your Samsung SCX4521D3 toner cartridge:
  1. First, remove the toner cartridge from the printer by opening the front cabinet.
  2. Using a flat-head screwdriver, unscrew the left-hand side panel of the cartridge and keep the screws in a safe place so they don't get lost.
  3. Remove the panel to reveal the filler cap.
  4. Use the long nose pliers to remove the filler cap, being careful not to puncture it, as that would make it unusable.
  5. Empty any leftover toner powder out of the cartridge, as this powder cannot be re-used, and throw it away.
  6. Fill the cartridge with the new toner powder by pouring it into the filler hope.
  7. Tap the side of the cartridge gently with a screwdriver so it settles evenly.
  8. Replace the filler cap and screw the side panel back onto the cartridge.
  9. Find the fuse on the right-hand side of the cartridge.
  10. The fuse clips out easily, so remove it and replace it with the new fuse.

Saving toner

Press the Cancel button on the printer control panel, so as to save the toner. The button will be lit, then you can also enable the Toner Save in the printer properties. Selecting this option will extend the life of the toner cartridge and reduce your cost per page.

Redistributing Toner

When toner is low, faded or light areas may appear on a printed page. In this case, you may be able to temporarily improve the print quality by redistributing the toner. You can redistribute the this toner by following the given steps:
  1. Grasp the front cover and pull it toward you to open.
  2. Push the toner cartridge down and remove it from the printer.
  3. Gently shake the toner cartridge from side to side five or six times to redistribute the toner.
  4. Reinsert the toner cartridge into the printer. Ensure that the toner cartridge is fit into place.
  5. Close the front cover. Make sure that the cover is securely closed. If it is not fully closed, printing errors may occur when you start printing.

How this Samsung SCX4521D3 toner cartridge is eco-friendly?

Instead dumping these cartridges, you can send such cartridges for recycling. Collect these original empty ink cartridges and send them to factories for recycling. Where they get cleaned, recycled and repackaged. These recycled toner cartridges are refilled with high quality long lasting inks that match the ISO standards. The only difference between any original and compatible cartridge is that the later ones are recycled, much lower in cost and last longer.


If you are intending to buy replacement toner cartridges, you should also think about what you are going to do with the empty Samsung SCX4521D3 toner cartridge. There are millions of toner cartridges used each year and statistics suggest that 95% of them go to landfill.

Here are some ways that help us to dispose of the Samsung SCX4521D3 toner cartridge correctly.
  • Do not allow this material to drain into sewers/water supplies.
  • You can collect empty Samsung SCX4521D3 toner cartridge instead of throwing them into the bin for landfill them and when you have gathered enough, you can make the trip to the local Council amenity or recycling centre. There are containers in all refuse sites that will accept used toner cartridges.
  • You can also find the companies in your nearby area that can take your empty toner cartridges. These third party manufacturers buy the empty toners, refill them and resell them into the market. The third party manufacturers compensate you for providing them the empty toners for recycling. The recycled toners are fully factory tested, eco-friendly and consistently offer the best performance.
  • The another way is that you can directly contact the toner cartridge manufacturers. Many companies have their own recycling plants, where they take back the used empty toner cartridges.

First Aid Measures

1. Description of first aid measures
  • Inhalation : Remove person to fresh air. If necessary seek medical attention.
  • Ingestion : Seek medical attention. Never give anything by mouth to an unconscious person. If possible, rinse out mouth and give one or two glasses of water or milk to drink.
  • Skin contact : Wash material off the skin with plenty of water and soap. If necessary seek medical attention.
  • If Samsung SCX4521D3 toner cartridge contacts your eyes : Immediately hold eyelids open and flush with a stream of water for at least 15 minutes. If necessary seek medical attention.

Firefighting Measures

  1. Extinguishing Agent : In case of small fire use powder, carbon dioxide In case of large fire shut off air by spraying with water or foam.
  2. Extinguishing measures : Risk of producing harmful gases such as carbon monoxide and nitrogen oxides.Avoid inhalation of smoke or gases.
  3. Extinguishing Media: Water spray, powder
  4. Specific Hazards: May produce irritating or toxic gases in a fire.
  5. Specific methods: Keep away from sources of ignition and use appropriate extinguishing media.Fight fire from upwind position if possible.
  6. Protection of firefighters: Use goggles in combination with dust mask, and another protections as appropriate to situation.

Accidental Release Measures

Personal Precautions Use mask, goggles and protective gloves. Large spills: Re-move person to safety. Ensure adequate ventilation. Treat from upwind position.
Environmental precautionDo not discharge into the drains, surface waters or groundwater directly.
Methods of Cleaning upPrevent dispersion of dust. Sweep the spilt toner carefully or remove it with a vacuum cleaner and transfer it into a sealed container. While using a vacuum cleaner, the motor must be rated as dust explosion proof. Keep in mind that you sweep slowly to minimize generation of dust during the cleanup.


Technical MeasuresFacilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Precautions Avoid inhalation of fine dust .
Safe Handling AdviceHandle in well-ventilated areas. Use safety glasses and protective gloves as appropriate to situation. Wash hands and face and gargle after handling. Prevent generation of dust. This material may cause risk of dust explosion.


  • Storage Conditions : Keep container tightly closed. Protect from sun. Store in a well-ventilated room (under 40 C).
  • Packaging Material: No information available

Physical And Chemical Properties

  • Physical States Form : Pulverizing powder
  • Colour: Black
  • Odour : Odourless
  • Density : 1.2 g/mL ( 20ºC ) ( 68ºF )
  • Water Solubility: Insoluble
  • Solvent Solubility: Partially soluble in toluene, chloroform and tetrahydrofuran.