How Do You Change The Printer Ribbon For The Calculator?

Turn off the calculator.

Open the printer cover.

Locate the ribbon cartridge. It is a small, black cartridge located on the left side of the printer.

Press down on the tab on the ribbon cartridge to release it.

Remove the ribbon cartridge from the printer.

Remove the old ribbon from the ribbon cartridge.

Insert the new ribbon into the ribbon cartridge. Make sure that the ribbon is threaded properly through the cartridge.

Insert the ribbon cartridge back into the printer.

Close the printer cover.

Turn on the calculator.

Tips:

Be careful not to touch the thermal print head when changing the ribbon.

If the ribbon is wrinkled or creased, it may cause printing problems.

If the ribbon is not threaded properly through the cartridge, the calculator may not print correctly.

Video tutorial:

Here is a video tutorial on how to change the printer ribbon on a Casio DR-250HD calculator:

[Link to YouTube video: How to Replace a Printing Calculator Ink Ribbon]

Troubleshooting:

If you are having trouble changing the printer ribbon on your Casio DR-250HD calculator, please consult the calculator's user manual or contact Casio customer support for assistance.