Thank you for your interest in the Sharp El-1197P Printing Calculator. The ?GT? key is short for ?Grand Total?. The GT/Rate Set is adjusted to set up date, time, conversion rate, and tax/discount rate. If you would like further assistance please contact our Customer Asssistance Center at 1(800) 237-4277 Monday-Friday 7am-7pm CST and Saturday-Sunday 9am-7pm CST. We are happy to assist.

Thank you for your recent inquiry about the Sharp EL-1197P Printing Calculator. To replace the ink ribbon on this model please follow the below instructions.

1. Remove the paper roll from the calculator. (Tear the paper and remove it from the print mechanism by using the release paper button).

2. Turn the power off before replacing ribbon.

3. Remove the printer cover.

4. Remove the old ribbon by pulling it up.

5. Insert the new ribbon.

6. With the black side of the ribbon facing upwards, place one of the reels on the reel shaft on the right. Make sure that the reel is securely in place.

7. Thread the ribbon around the outside of the metal guides.

8. Take up any slack by manually turning one of the reels.

9. Replace the printer cover.

10. Replace the paper roll.

We recommend you refer to your owner?s manual for visual reference when following these instructions. If you do not have the owner?s manual, you can download an electronic version here: http://www.sharpusa.com/CustomerSupport/ProductDownloads.aspx. If you have any other questions or require further assistance, please call us at 1-800-237-4277 and a representative can assist you further.

Thank you for your recent inquiry in regards to the EL-2192RII. This model does print dots across the paper much like a dot matrix printer. I do hope this information is of assistance. If you need any further assistance, please contact us at 1-800- BE SHARP (800) 237-4277 Monday ?Friday 7:00 a.m.-7:00 p.m. We are happy to assist.

Thank you for your recent inquiry in regards to the Sharp EL-1197GII Printing Calculator. The resolution of your issue would be better handled by one of our customer service representatives over the phone. Please contact our Customer Assistance Center at 1-800- BE SHARP, 1 (800) 237-4277, Monday-Friday 7:00am-7:00pm and Saturday-Sunday 9:00am-7:00pm CST so we can directly address your inquiry. We are happy to assist.

Thank you for your recent inquiry in regards to the Sharp EL-1197P Printing Calculator. This Sharp printing calculator is compatible with the Porelon 80BRC Nylon Ribbon Ink Rolls.

Thank you for your recent inquiry regarding the Sharp EL1197P printing calculator. We understand that you are looking for a complete answer to your question through this website; however, the resolution of your question would be better handled by one of our customer service representatives on the phone. I request that you please contact our Customer Assistance Center at 1-800-237-4277, Monday - Friday 9AM - 7PM so we can directly address your inquiry. We are happy to assist.