Texas Instruments TI5019 User Manual - Page 3

Replacing the Ink Roller 1. Press N. 2. Remove the printer compartment cover. 3. Remove the ink roller from the right side of the compartment. Insert your thumb, nail down, under the tab on top of the ink roller. Gently lift the ink roller out of the compartment. 4. Lower the new ink roller into the compartment and align the ink roller with the hole in the compartment. Press down until it snaps into place. 5. Replace the compartment cover. Warning Never refill or moisten the old ink roller. This can damage the printing mechanism and void the warranty. Key Descriptions ! F H I J K " # $ % D E B Advances the paper. Prints a reference number or date without affecting calculations. First press displays and prints the value in memory; second press clears the memory. Subtracts the displayed value from memory. If a multiplication or division operation is pending, I completes it and subtracts the result from memory. Adds the displayed value to memory. If a multiplication or division operation is pending, J completes it and adds the result to memory. Pressed once, clears an entry. Pressed twice, clears an overflow. Turns the printer on and off. Selects the rounding mode. See "Rounding." Selects the decimal mode. See "Using Decimals." Removes the last digit entered in the display. Changes the sign (+ or -) of the displayed number. Calculates the selling price and profit or loss amount on an item. Interprets the number in the display as a percentage. 2