[. . . ] When pressed following the or key, the subtotal is printed with the symbol "" and the calculation may be continued. By pressing this key even in the Nonprint mode, the displayed number is printed without any symbol. [. . . ] If the decimal selector is set to "F" then the answer is always rounded down ( ). Cleaning the printing mechanism If the print become dull after long time usage, clean the printing wheel according to the following procedures: 1) Remove the printer cover and the ink roller. 2) Install the paper roll and feed it until it comes out of the front of the printing mechanism. 3) Put a small brush (like a tooth brush) lightly to the printing wheel and clean it by pressing . Never attempt to turn the printing belt or restrict its movement while printing. Do not rotate the printing mechanism manually, this may damage the printer. ": Neutral STORE KEY: This key is used to store the conversion rate or the tax/discount rate. A maximum of 6 digits can be stored (decimal point is not counted as a digit). A maximum of 4 digits can be stored (decimal point is not counted as a digit). note: · For the conversion rate and the tax/ discount rate, a single value can be stored for each. 2) 3) Lift the attached metal paper holder up and insert the paper roll to the paper holder. 2) 3) Soulevez le support métallique pour papier et introduisez le rouleau de papier dans le support pour papier. There are several situations which will cause an overflow or an error condition. If an ``0 E'' is displayed at the time of the error, must be used to clear the calculator. [. . . ] To change the voltage setting, turn the voltage selector in the counterclockwise direction with a standard flathead screwdriver as shown below. Using the calculator with the voltage selector improperly set will cause damage to the unit. [. . . ]