Cleaning Your Computer

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.

Computer, Keyboard, and Display

CAUTION: Before you clean your computer, disconnect the computer from the electrical outlet and remove any installed batteries. Clean your computer with a soft cloth dampened with water. Do not use liquid or aerosol cleaners, which may contain flammable substances.

Use a can of compressed air to remove dust from between the keys on the keyboard and to remove any dirt or lint from the display.

NOTICE: To help prevent damage to the computer or display, do not spray cleaning solution directly onto the display. Only use products specifically designed for cleaning displays, and follow the instructions that are included with the product.

Moisten a soft, lint-free cloth with either water or a display cleaner. Do not use alcohol or an ammonia-based cleaner. Wipe the display gently working from the center to the edges until it is clean and any fingerprints are removed. Do not use excessive pressure.

NOTICE: To prevent damage to the antiglare coating, do not wipe the display with soap or alcohol.

Moisten a soft, lint-free cloth with water and wipe the computer and keyboard. Do not allow water from the cloth to seep between the touch pad and the surrounding palm rest.

To clean your monitor screen, lightly dampen a soft, clean cloth with water. You can also use a special screen-cleaning tissue or solution suitable for the monitor’s antistatic coating.

Wipe the keyboard, computer, and monitor plastics with a soft cleaning cloth moistened with a solution of three parts water and one part dishwashing detergent.

Do not soak the cloth or let water drip inside your computer or keyboard.

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Dell 1720 owner manual Cleaning Your Computer, Computer, Keyboard, and Display

1720 specifications

The Dell 1720 and 1520 printers represent a significant milestone in the world of printing technology, catering primarily to small businesses and office settings. Both models are monochrome laser printers, renowned for their ability to deliver high-quality prints with exceptional speed and efficiency.

The Dell 1720 is designed with performance in mind, boasting a print speed of up to 33 pages per minute, making it ideal for high-volume printing environments. Equipped with a 400 MHz processor and 64 MB of memory, it ensures fast processing of complex documents, thereby reducing wait times for users. Its maximum print resolution of 1200 x 1200 dpi guarantees crisp, clear text and sharp graphics, suitable for professional presentations and reports.

On the other hand, the Dell 1520, while slightly less powerful, still offers impressive capabilities. It provides a print speed of up to 30 pages per minute and features a similar print resolution of 1200 x 1200 dpi. The compact design of the 1520 makes it a great option for businesses with limited space, while still maintaining robust performance standards.

Both printers utilize Dell's proprietary Toner Management System, which helps monitor toner levels and notifies users when it's time to order replacements. This technology aids in minimizing downtime and ensures continued productivity. The printers are compatible with a variety of operating systems including Windows and Mac OS, making them versatile solutions for diverse office environments.

Another important feature of the Dell 1720 and 1520 is their energy efficiency, thanks to Energy Star certification. This ensures that both models consume less power compared to traditional printers, making them eco-friendly choices for businesses looking to reduce their carbon footprint.

In terms of connectivity, both models come equipped with USB 2.0 ports for straightforward connections to computers. Additionally, the Dell 1720 offers optional networking capabilities with an Ethernet port, allowing for sharing across multiple users in a networked environment.

With a range of features including reliable performance, energy efficiency, and robust print quality, the Dell 1720 and 1520 remain popular choices among small to medium-sized businesses seeking dependable monochrome printing solutions.