How do I install the toner cartridge? - Ricoh Aficio 1515 All-In-One Laser Printer

Hi I think this answer maybe help you.

Step 1 - Turn on your printer and open the front cover.
Step 2 - Take out the toner cartridge and drum unit assembly.
Step 3 - Push down the lock lever and take the used toner cartridge out of the drum.
Step 4 - Unpack the new toner cartridge. Gently shake it from side to side to distribute the toner.
Step 5 - Remove the protective cover.
Step 6 - Insert the new toner cartridge into the drum unit until locks into place.
Step 7 - Gently side the tab from right to left and left to right several times to clean the corana wire. Return the tab to the home position.
Step 8 - Install the toner cartridge and drum unit assembly into the printer.

If you want to find more detail, you can go and search V4ink.

Make sure you need to change it also:
http://www.quikshiptoner.com/catalog/canon-mf6590-toner.html#When_to_Replace_the_Toner_Cartridge_in_a_Canon_imageCLASS_MF6590_Printer

I reproduce below the content from Ricoh official website. The instructions to install toner cartridge are as follows:

Note: You can make about 50 copies even after the Add Toner indicator begins flashing, but replace toner early to prevent poor copy quality.
Please read the following warnings and notes before attempting to add toner.
WARNING

• Do not incinerate used toner or toner containers. Tonerdust might ignite when exposed to an open flame. Dispose of used tonercontainers in accordance with local regulations.
• Keep toner (used or unused) and toner containers out of reach of children.
• Iftoner or used toner is inhaled, gargle with plenty of water and moveinto a fresh air environment. Consult a doctor if necessary.
• If toner or used toner gets into your eyes, flush immediately with large amounts of water. Consult a doctor if necessary.
• If toner or used toner is swallowed, dilute by drinking a large amount of water. Consult a doctor if necessary.
• Avoidgetting toner on your clothes or skin when removing a paper jam orreplacing toner. If your skin comes into contact with toner, wash theaffected area thoroughly with soap and water.
• Iftoner gets on your clothing, wash with cold water. Hot water will setthe toner into the fabric and may make removing the stain impossible.

1. Keep the device switched on and only add toner when "Toner is Almost Empty" is displayed
2. Open the Front Cover
   
   
   
   
3. Lift the large green hahow do I install the toner cartridge? - 00175.jpgo its full extent
   
   
   
   
4. Press how do I install the toner cartridge? - 00176.jpghold down the green lever to the left of the green handle
   
   
   
   
5. Use the green handle to pull out the Toner Tray slightly then release how do I install the toner cartridge? - 00178.jpghe green lever
6. Pull out the Toner Tray to its full extent
   
   
   
   Push the neck of the Toner Bottle back towards the device until you can see the top of the bottle
   
   
   
   
7. Lift out the Toner Bottle by the neck - being careful not to scatter loose toner
   
   
   
   
8. Dispose of the Toner Bottle in accordance with your local environmental instructions
9. Obtain a new Toner Bottle and shake it gently from side to side at least 5 timehow do I install the toner cartridge? - 00173.jpgli class="h_mi">Remove and discard the black cap and place the Toner Bottle in the tray with the neck towards you
10. Push the neck back into the black housing of the tray
    
    
    
    
11. Push the whole assembly back into the device until it clicks into place
12. Push the green handle down fully and close the Front Cover
13. The device will perform a few seconds of internal checks before it is ready for use again

• Fault may occur if you use toner other than the recommended type.


• When adding toner, do not turn off the operation switch. If you do, settings will be lost.


• Always add toner when the device instructs you.


• When a message "Add toner." is shown on the display panel, replace the toner.


• Store the toner bottles in a cool, dry place free from direct sunlight.


• Store on a flat surface.


• Do not repeatedly install and remove toner bottles. This will result in toner leakage.


• Do not shake the removed toner bottle. Remaining toner might scatter.

Open front cover, lift up on green handle to release toner feed mechanism. There is a black plastic release below this unit. Release unit and pull out tray. Take old toner cartridge out of machine. Remove black screw off cap from new toner. Place new cartridge in machine with opening towards front. Push tray back into copier until it "clicks" in place. Lower green handle. Close front cover. Hope this helps.