User manual SHARP EL-2901RH

[. . . ] If the count exceeds the maximum, the counter will recount from zero. Note: The decimal point floats during successive calculation by the use of or . If the decimal selector is set to "F" then the answer is always rounded down ( ). Enter the adding tax rate, then press · A maximum of 4 digits can be stored (decimal point is not counted as a digit). [. . . ] If printing is blurry even when the ink roller is in the proper position, replace the roller. 1) 3) Hold the top of the ink roller and remove the roller by pulling it toward you and then upward. 2) 4) Install the new ink roller in the correct position. 3 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. 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 . 2) pressing 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 key and then repeat the occur, press 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 exceeds 12 digits. The printing speed will vary with the number of rows and the figure types to be printed. [. . . ] EXAMPLE 1: Determine the cost price for 30% margin when the selling price is set at $500. 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. [. . . ]