The Laser Scanner Unit (LSU) for the HP LaserJet Pro M402, M403, M426, and M427 printers is a vital part of the printer’s imaging system. The LSU is responsible for scanning a laser beam across the imaging drum to create the image that will be transferred onto the paper. It generates and directs the laser beam, discharging specific areas of the photoreceptor drum, which forms an electrostatic image that attracts toner. This image is then transferred onto the paper during the printing process. The LSU plays a crucial role in ensuring precise and accurate toner placement, contributing to high-quality prints with sharp text and images. If the LSU malfunctions, it can lead to poor print quality, such as faded, incomplete prints, streaks, or lines appearing on the page. In some cases, the printer may not print at all. Signs of a failing LSU include blurry or inconsistent prints, horizontal lines, or a total lack of print output. Replacing a damaged or faulty Laser Scanner Unit (LSU) is necessary to restore the printer's functionality and print quality. This replacement part is specifically designed for use with the HP LaserJet Pro M402, M403, M426, and M427 models, ensuring a proper fit and reliable performance. Regular maintenance and timely replacement of the LSU help maintain the printer's performance and ensure that it continues to produce high-quality prints efficiently.
| Capacity | 5 Kg |
| Color | Black, Brown, Red, |
| Water Resistant | Yes |
| Material | Artificial Leather |
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