THIS IS NOT AN INKJET CARTRIDGE OR TONER CARTRIDGE; THIS IS A RIBBON CARTRIDGE FOR A DOT MATRIX PRINTER.

This is a compatible cartridge so there will be some differences from the OEM cartridge.  These differences will NOT affect the function.

This cartridge is sold in a 6 pack; you get 6 ribbon cartridges.

 

Not Recognizing

 

There is no smart chip or any kind of ID contact on this cartridge.  Epson recommends the cartridge to be replaced once the prints become light.

 

To install this cartridge into the Epson LQ-300 printer do the following;

WARNING:  You need to remove the print head by hand to replace the ribbon cartridge.  If you have just used the printer, the print head may be hot; let it cool for a few minutes before touching it.

 

–          Make sure that the printer is turn off.  It is off when the O side of the switch is pressed down.

 

–          Open the printer cover to the upright position, then pull it up to remove it.

 

–          Slide the print head to the middle of the printer.

 

–          Turn the ribbon-tightening knob on the new cartridge int the direction of the arrow to remove any slack form the ribbon so its easier to install.

 

–          Insert the new ribbon cartridge into the printer; then press both sides of the cartridge down firmly to fit the plastic hooks into the printer slots.

 

–          Use a pointed object, such as a ball point pen, to guide the ribbon between the print head and ribbon guide.  Turn the ribbon-tightening knob to help feed the ribbon into place; it should not be twisted or creased.

 

–          Slide the print head from side to side to make sure it moves smoothly.

–          Reinstall and close the printer cover.

 

Print Quality Issues

 

Verify the ribbon cartridge is fully inserted and properly installed into the printer.  Check the ribbon slack.

 

If there are dots missing in the print then the paper thickness may be adjusting too far.  Adjust the print head distance using the paper thickness lever on the printer.

 

Use the table below to select the appropriate paper thickness;

 

The print head will eventually wear out after a certain period of usage, if print quality isn’t improved with new ribbon cartridges then the print head may have an issue.

 

If the ribbon cartridge is continuously printing lightly then the ribbon may be depleted and the cartridge needs replacing.

 

Not Fitting

 

Verify you have the correct cartridge for your specific printer model.

 

Make sure the cartridge is being installed in the correct orientation.  Using the instructions outlined above, verify the installation of the cartridge.

 

Check inside the printer for any obstructions.  Check the cartridge itself for physical damage.