User manual SHARP EL-1611P

[. . . ] 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. If you pull out the power cord to cut electricity completely or replace the batteries, the presently stored tax rate will be cleared. [. . . ] 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. Wheel and clean it by pressing 4) Put back the ink roller and the printer cover. 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. When using the paper roll that is less than or equals to 25 mm (31/32") in outside diameter: Paper roll : Type EA-7100P Note: Paper tape replacement rolls are available where the EL-1611P calculator is sold. When using the paper roll that is 12mm (15/32") in inside diameter and up to 80mm (3-5/32") in outside diameter: Never use the supplied paper (25 mm (31/32") in outside diameter) in the holder. When replacing the paper, touching the inside of the printer may damage it. When drawing out the paper tape, pull it straight forward on the paper cutter side. The calculator can also be operated on AC power through use of an AC adaptor. BATTERY OPERATION If the display becomes dim or the printer stops before or during printing, the batteries should be replaced. After the replacement, press and in this order to clear the calculator. (If the display is blank, displays any other symbol or the keys become inoperative, remove the batteries and and in this order and install them again. ) Note: Due to solvent leakage of the battery, keeping a used battery in the battery compartment may result in damage to the calculator. [. . . ] Do not use anything breakable or anything with a sharp tip, such as a needle. To insure that each calculation is performed correctly, press firmly before starting the calculation. Example procedures are listed in following manner unless otherwise specified. [. . . ]