User manual SHARP EL-1750P

[. . . ] Since this product is not waterproof, do not use it or store it where fluids, for example water, can splash onto it. If service should be required, use only a SHARP servicing dealer, a SHARP approved service facility or SHARP repair service. 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. [. . . ] If an "0 E" is displayed at the time of the error, "­ ­ must be ­ ­ ­ ­ ­" will be printed in red and used to clear the calculator. When the integer portion of the contents of the memory exceeds 12 digits. (DC): Heavy-duty manganese battery, size AA (or R6) × 4 (Option) Calculations: Four arithmetic, constant multiplication and division, power, add-on, tax, repeat addition and subtraction, reciprocal, item count calculation, markup, memory, etc. 4, 000 hours (in non-print mode, displaying 555'555 at 25°C (77°F) ambient temperature) Operating time depends on the type of battery and type of use. Calculate the dollar difference (a) and the percent change (b) between two yearly sales figures $1, 500 in one year and $1, 300 in the previous. Strong impacts, exposure to electrical fields, or other unusual conditions may render the unit inoperative, and pressing the keys will have no effect. If this occurs, you will have to press the RESET switch on the back of the unit. The RESET switch should be pressed only when: · Pressing the RESET switch will clear the stored tax rate and other data stored in the memory. Do not use anything breakable or anything with a sharp tip, such as a needle. After pressing the RESET switch, turn the power switch "ON" and check that "0. The rounding selector should be in the "5/4" position unless otherwise specified. The print / item count mode selector should be in the "P· If an error is made while entering a number, and enter the correct number. Example procedures are listed in following manner unless otherwise specified. Perform two calculations using $840 and $525, both of which already include tax. Note: During tax rate calculations, a symbol " " may appear on the display; it is not printed in the operation manual. SHARP ELECTRONICS CORPORATION warrants to the first consumer purchaser that this Sharp brand product (the "Product"), when shipped in its original container, will be free from defective workmanship and materials, and agrees that it will, at its option, either repair the defect or replace the defective Product or part thereof with a new or remanufactured equivalent at no charge to the purchaser for parts or labor for the period(s) set forth below. [. . . ] (b) Any Sharp product tampered with, modified, adjusted or repaired by any party other than Sharp, Sharp's Authorized Service Centres or Sharp's Authorized Servicing Dealers. (c) Damage caused or repairs required as a result of the use with items not specified or approved by Sharp, including but not limited to software, paper and batteries. (d) Any replacement of accessories, glassware, consumable or peripheral items required through normal use of the product including but not limited to batteries, AC adapters, ribbons, correction tapes, ink rollers, cables, printwheel, or paper. [. . . ]