USB board (see USB board on page 65)

Power connector cable (see Power connector cable on page 66)

Display assembly (see Display assembly on page 68)

NOTE: When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board:

Memory module (see Memory module on page 47)

RTC battery (see RTC battery on page 81)

Fan/heat sink assembly (see Fan/heat sink assembly on page 83)

Processor (see Processor on page 89)

Remove the system board:

1.Disconnect the optical drive connector cable from the system board.

2.Remove the Phillips PM2.5×6.0 screw (1) that secures the system board to the base enclosure.

3.Lift the right side of the system board (2) until it rests at an angle.

Component replacement procedures

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HP 436, 431, 435, 430 manual

435, 431, 430, 436 specifications

The HP 431, also known as the HP LaserJet 431, is a robust printing solution designed to meet the demands of small to medium-sized businesses. Renowned for its reliability and high-performance capabilities, this printer offers a variety of features and technologies that enhance productivity and streamline printing processes.

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Connectivity is a crucial aspect of modern printing solutions, and the HP 431 excels in this area. It features multiple connectivity options, including USB, Ethernet, and wireless connectivity, allowing users to easily integrate the printer into their existing network. This versatility supports mobile printing solutions such as Apple AirPrint, Google Cloud Print, and HP’s own Smart App, enabling users to print directly from their smartphones and tablets.

In terms of user-friendly design, the HP 431 incorporates a straightforward control panel with a clear LCD display, making it easy to navigate settings and monitor printing processes. The printer's compact design helps it fit seamlessly into various office layouts, optimizing workspace efficiency.

Another significant feature is its advanced security protocols. The HP 431 comes equipped with built-in security features to protect sensitive data and prevent unauthorized access. This is particularly important for businesses handling confidential information.

Overall, the HP 431 is a powerful, efficient, and versatile printer that delivers exceptional performance for any business looking to enhance its printing capabilities. Its combination of speed, quality, connectivity, and security makes it a valuable addition to any office environment. As technology continues to evolve, the HP 431 stands as a testament to HP's commitment to providing innovative printing solutions that meet the dynamic needs of modern businesses.