Agree, it's better to clean your printer than to buy a new one. Regular maintenance will extend the life of your printer and maintain print quality. Cleaning the printer may seem difficult, but this simple procedure only takes a few minutes.
Steps

Step 1. Different types of printers require different approaches
Be sure to follow these instructions if you have the opportunity to review the service policies for your particular printer model. Unfortunately, many manufacturers only provide this information to certified professionals.

Step 2. Disconnect the device
You have to deal with the inside of an electrical appliance, so you must first unplug the printer. This precaution will protect you from electric shock. Wait a few minutes for the device to cool down after use.
Method 1 of 3: General guidelines for inkjet printers

Step 1. Remove dust
Buy a compressed air canister from a hardware store or hardware store. Spray air on top and inside the printer from time to time to keep dust out.

Step 2. Clean fragile internals
Use a soft cloth and alcohol or glass cleaner to clean the interior. Other cleaning agents can leave scratches and marks. Another acceptable option is a solution of equal parts vinegar and water. For safety reasons, do not apply liquid directly to the printer surface. Treat the fabric. Also use a soft cloth to clean the rubber parts of the ink cartridges in the printer.

Step 3. Clean the outside surfaces
The outside of the printer should be cleaned with a damp soft cloth.

Step 4. Clean the printhead
She applies ink to paper. To clean, you need a program on your computer. Go to “Control Panel” and open “Print Settings”. Select your printer and follow the directions to clean the printhead. Print a test page and match it with the image on the screen. If the print head is very dirty, the step will need to be repeated several times.

Step 5. Use automatic cleaning if your printer has this feature
This cleaning is usually sufficient. Use an inkjet cleaning cartridge if the holes are clogged. Special wipes are also sold for cleaning the rollers in the printer.
Method 2 of 3: Cleaning the rollers

Step 1. It is very important to clean the rollers for optimal printer performance
This will clear up any paper feed or jam problems. Follow the further instructions.

Step 2. Unplug the power cord

Step 3. Open the printer housing to access the rollers

Step 4. Remove any paper that remains in the tray

Step 5. Press the damp cloth against the roller with one hand and rotate the roller with the other
Repeat this step several times to thoroughly clean the roller.

Step 6. Place paper in the tray
Replace the case and connect the power cable. Before you start, print a few test pages to make sure the rollers are clean. If the rollers do not feed the paper, they are still dirty.
Method 3 of 3: General Guidelines for Laser Printers

Step 1. Remove the paper trays

Step 2. Remove the toner cartridge from the printer and place it on old paper to avoid staining the table surface

Step 3. Clean the inside without the cartridge with a soft cloth

Step 4. Remove any paper and toner residue

Step 5. Clean all rollers except the sponge transfer roller

Step 6. Clean the interior mirror if you have a printer brush
If there is no brush, then it is better not to touch the mirror. Reinstall the cartridge.
Advice
- Be sure to turn off the printer and unplug it before cleaning it.
- Read general electrical precautions before cleaning the printer.
- Never spray any liquid on the printer. Clean the surface with a dampened cloth.