opening the computer

WARNING: The PC is heavy; be sure to use ergonomically correct lifting procedures when moving the computer.

WARNING: Electrostatic discharge (ESD) can damage disk drives, add-in cards, and other components. If an ESD station is not available, wear a wrist strap attached to a metal part of the computer. Place cards on a conductive foam pad or inside the conductive wrapper they came in; do not place the cards on top of the wrapper.

WARNING: Do not operate the system with the cover removed.

Always replace the cover before turning on the system.

before you begin

Read the following items before attempting to upgrade or service the computer:

These procedures assume familiarity with the general terminology associated with personal computers and with the safety practices and regulatory compliance required for using and modifying electronic equipment.

Set up an equipment log to record the system model and serial numbers, all installed options, and other information about the system. If you need this information, it will be easier to consult the log than to open up and examine the system.

HP recommends that you use an antistatic wrist strap and a conductive foam pad when working on the system.

Disconnect the system from any telecommunications links, networks, or modems, and then disconnect the system power source before performing any of the procedures described in this guide. Failure to do so before you open the system or do any procedures can result in personal injury or equipment damage.

NOTE: Disconnect the modem/telephone cable before disconnecting the power cord from the PC.

To gain access to the inside of the computer, remove the side panel.

WARNING: Before installing and connecting your system to the electrical power system, please read the safety information in the Warranty & Support Guide.

120user’s guide

Page 128
Image 128
HP a307x, a300n manual Opening the computer, Before you begin, Always replace the cover before turning on the system

a307x, a300n specifications

The HP A302x, A300n, M400y (D7222P), M490n, and A307x series represents a diverse range of printing solutions tailored to meet the demands of various users, from small businesses to larger enterprises. These models showcase HP's commitment to innovative technology, quality output, and cost efficiency.

The HP A302x is designed for high-volume printing, offering fast print speeds and high-capacity toner options that reduce the frequency of cartridge replacements. It features HP's Precision Laser Technology, which ensures sharp text and vibrant images, making it an ideal choice for business reports and marketing materials. The model is equipped with wireless connectivity, allowing users to print from smartphones and tablets easily, enhancing overall convenience.

The A300n model is a versatile all-in-one printer that combines printing, scanning, copying, and faxing capabilities into one device. Its user-friendly interface and compact design make it perfect for a limited office space. The A300n supports mobile printing through HP’s Smart App, allowing users to easily manage printing tasks on the go. It also includes energy-efficient features like automatic duplex printing, which helps to save both paper and energy.

The M400y, identified by the model number D7222P, is engineered for efficiency and high-quality output. Its advanced security features protect sensitive data during printing, making it a suitable option for industries that prioritize confidentiality. The M400y offers reliable performance with a user-friendly control panel and customizable settings, enabling businesses to tailor their printing preferences for maximum productivity.

The M490n model excels at delivering outstanding print quality with minimal maintenance. Its robust design is coupled with a high print resolution capability that ensures every detail is captured with precision, whether printing professional documents or marketing visuals. The model also features fast processing speeds that cater to busy work environments where time is crucial.

Lastly, the A307x is another innovative addition to HP’s lineup, focusing on a seamless user experience. This printer is designed to integrate effortlessly into existing workflows, providing compatibility with a range of operating systems and devices. With features like an intuitive touchscreen interface and customizable print settings, the A307x ensures that users can easily navigate its functionalities and achieve optimal results.

Together, these HP models offer a comprehensive suite of features that cater to various printing needs, emphasizing quality, reliability, and user-friendly technology. Whether for small offices or large enterprises, the A302x, A300n, M400y (D7222P), M490n, and A307x are crafted to enhance productivity and deliver exceptional print results.