User manual SHARP EL-2901PIII

[. . . ] SHARP will not be liable nor responsible for any incidental or consequential economic or property damage caused by misuse and/or malfunctions of this product and its peripherals, unless such liability is acknowledged by law. The count is printed when the calculated result is obtained. Pressing of 2) When the grand total/rate setting mode selector is in the ON position (GT), the counter will count the number of times that the calculation results have been stored in the grand total memory. To print and clear the count, press the key. [. . . ] MARGIN ENTRY KEY: Press this key to enter the margin. dISPLAY SYMBOLS: M ­ · E : : : : Appears when a number is in the memory. Appears when a number is in the grand total memory. Appears when an overflow or other error is detected. 4) Install the new ink roller 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 pressing . Do not rotate the printing mechanism manually, this may damage the printer. Always cut leading edge with scissors first. 1) Insert the leading edge of the paper roll into the opening. 1) 2) Turn the power on and feed the paper by pressing . 2) 3) Lift the attached metal paper holder up and insert the paper roll to the paper holder. There are several situations which will cause an overflow or an error condition. when this occurs , "E" will be displayed. The contents of the memory at the time of the error are retained. If an "0 E" is displayed at the time of the error, "­ ­ ­ ­ ­ ­ ­" will be printed in red and must be used to clear the calculator. also , in rare cases , printing may stop midway and the indication "E" appear on the display. This is not a malfunction but is caused when the calculator is exposed to strong electromagnetic noise or static electricity from an external source. Should this occur, press the key and then repeat the calculation from the beginning. When the integer portion of an answer exceeds 12 digits. When the integer portion of the contents of the memory or grand total memory exceeds 12 digits. [. . . ] : Entries in the order of "30 500 " are also valid. EXAMPLE 2: Determine the selling price for 30% margin when the cost price is set at $350. : Entries in the order of "30 350 " are also valid. EXAMPLE 3: Determine the margin when the cost price is set at $350, and the selling price at $500. [. . . ]