User manual SHARP EL-1801C

[. . . ] Your SHARP calculator is specially designed to save work and increase efficiency in all business applications and general office calculations. Careful reading of this manual will enable you to use your new SHARP calculator to its fullest capability. [. . . ] Clear entry -- When pressed after a number and before a function, clear the number. Gives the results of multiplication and division and performs repeat calculation with a constant. The calculator will automatically remember the first number entered (the instruction. The calculator will automatically remember the second number entered (the divisor) and instruction. If printing is blurry even when the ink roller is in the proper position, replace the roller. 2) 4) Install the correct color new ink roller and press it in the correct position. Cleaning the printing mechanism If the print becomes 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 . Do not rotate the printing mechanism manually, this may damage the printer. Never attempt to turn the printing belt or restrict its movement while printing. To Install or Replace Batteries -- When the batteries become weak, the display will work but not the printer. Battery: Heavy-duty manganese battery, size AA (or R6) × 4 Note: When the batteries are replaced, the calculator may fail to function correctly. If this occurs, remove the batteries, wait at least two minutes, then reinstall them. [. . . ] The print / item count mode selector should be in the "P· If an error is made while entering a number, press C CE and enter the correct number. Example procedures are listed in following manner unless otherwise specified. [. . . ]