INK Roller Replacement

If printing is blurry even when the ink roller is in the proper position, replace the roller.

Ink roller: Type EA-781R-BK (Black)

Type EA-781R-RD (Red)

WARNING

APPLYING INK TO WORN INK ROLLER OR USE OF UNAPPROVED INK ROLLER MAY CAUSE SERIOUS DAMAGE TO PRINTER.

1)	Set the power switch to OFF.
2)	Remove the printer cover. (Fig. 1)
3)	Remove the ink roller by turning it counterclockwise and pulling it upward (Fig. 2)
4)	Install the correct color new ink roller and press it in the correct position. Make sure
	that the ink roller is securely in place. (Fig. 3)	Red	Black
5)	Put back the printer cover.	Red	Black
5)	Put back the printer cover.

Fig. 1

Fig. 2

Fig. 3

Cleaning the printing mechanism

If the print becomes dull after long time usage, clean the printing wheel accord- ing 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 .

4)Put back the ink roller and the printer cover.

Notes: • 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. This may cause incorrect printing.

EL-1801E specifications

The Sharp EL-1801E is a highly regarded scientific calculator that has garnered attention for its exceptional features, robust build, and user-friendly interface. Designed for students, educators, and professionals alike, this calculator combines advanced technology with practicality, making it an ideal companion for a wide range of mathematical computations.

One of the defining characteristics of the EL-1801E is its comprehensive set of functions. With over 220 built-in functions, including advanced trigonometric, logarithmic, and statistical calculations, it caters to the needs of various users, from high school students to university scholars. This extensive functionality ensures that users can perform complex calculations without requiring additional tools.

The EL-1801E is equipped with a dual-line display, enabling users to view both the input and output simultaneously. This feature enhances the user experience, allowing for easy verification of calculations and improving overall efficiency. The display is designed to be clear and legible, even in low-light conditions, thanks to its backlit feature, which further contributes to its usability.

In terms of design, the Sharp EL-1801E boasts a slim profile, making it portable for on-the-go calculations. Its durable construction ensures that it can withstand the rigors of daily use, whether in a classroom or a professional setting. The calculator is powered by solar energy, supplemented by a battery, ensuring long-lasting performance and reducing the need for frequent battery changes.

Another noteworthy aspect of the EL-1801E is its memory capabilities. The calculator allows users to store and recall values, which is particularly beneficial when working with long calculations or when needing to reference previous results. This memory function is essential for those who frequently deal with repetitive calculations or complex equations.

Moreover, the EL-1801E comes with convenient features such as a fraction conversion, which simplifies the process of working with rational numbers. Its percentage calculations and constant functions offer added efficiency for users engaged in financial, statistical, or engineering-related tasks.

In summary, the Sharp EL-1801E scientific calculator stands out for its powerful functions, user-friendly display, and portability. Its advanced features, durable build, and energy-efficient design make it a reliable tool for anyone needing a versatile calculator, whether in education or professional environments. As technology continues to evolve, the EL-1801E remains a relevant and indispensable asset for precise mathematical calculations.