These toner cartridges do not have the OPC drums built into them.  The drum unit is a separate, replaceable unit.

Not Recognizing

 

Verify that you have the correct cartridges for your specific printer.

 

There is a smart chip located on the top of this cartridge.  Check to make sure the gold contacts are clean and undamaged.  You can use a dry lint-free cloth to gently clean the connections.

 

Make sure the toner is installed correctly and firmly in place.

 

Print Quality Issues

 

For light printing you can try gently rocking the toner left to right.

 

Streaks and ghost printing will most likely be a fault of the drum unit which is separate from the cartridge.

 

For customers willing to do more advanced troubleshooting or who need an immediate solution you can try the following;

 

You can clean the print head on the printer itself to help resolve print quality issues.  To do this;

  1.  Hold down the Rotate Toner key for 5 to 9 seconds.
  2.  On the Panel tab of the Remote Panel Utility, click the P/H Clean Up button.

NOTE: When the printer enters Print Head Cleanup mode the magenta toner indicator lights up.

NOTE: It is not possible to exit Print Head Cleanup mode before the operation is finished (even if the Clear key is pressed).

  1. Open the front cover.  If Tray 1 isn’t already open, open it.
  2. The magenta toner cartridge has been moved to the position from where it can be replaced.  Pull down the handle on the toner cartridge until the toner cartridge is unlocked and moves out slightly toward you.
  3. Remove the toner cartridge.

  1. Close the front cover.
  2. After the toner cartridges have finished rotating and all indicators on the control panel begin blinking, open the top cover.

  1. Grab the handle and lift it up slightly to the back, and then slowly pull the imaging cartridge out vertically.

 

  1. Clean the print head window by wiping it with a soft, dry, lint-free cloth.

  1. Re-install the imaging cartridge and do the reverse instructions to re-assemble the printer.