4Align the connector on the hard disk with the connector on the control board. Push the hard disk in until it is latched into place.

5Fasten the four screws supplied with your new hard disk.

6Close the control board cover by aligning the groove on it with the notch on the printer and sliding it.

7Reinstall the duplex-slot cover or the duplex unit.

8Reconnect the power cord and printer cable, and turn the printer on.

9Print a configuration page from the control panel to check if the hard disk is correctly installed. See page 8.1.

Setting the hard disk in the printer properties

After installing the hard disk, you need to select it in the printer properties to enable its use. Take the following steps:

1Click the Windows Start menu.

2For Windows 98/Me/NT 4.0/2000, select Settings and then Printers.

For Windows XP/2003, select Printers and Faxes.

3Select the Samsung ML-4550 Series PCL 6 printer icon or Samsung ML-4550 Series PS printer icon.

4Click the right mouse button on the printer icon and select Properties.

5In PCL 6 Properties, click the Printer tab and then check Optional Hard Disk Drive (HDD).

In PS Properties, click the Device Option or Device Settings tab and set the Optional Hard Disk Drive (HDD) option to Installed.

6Click OK.

10.5 <Installing accessories>

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Samsung ML-4551ND, ML-4550 manual Setting the hard disk in the printer properties

ML-4550, ML-4551ND specifications

The Samsung ML-4551ND and ML-4550 are monochrome laser printers designed for efficient and high-quality printing in office environments. Known for their reliability and performance, these models cater to small to medium-sized businesses that require consistent output without compromising on quality.

One of the standout features of the ML-4551ND is its impressive print speed. Capable of delivering up to 45 pages per minute, this printer ensures that large print jobs are completed swiftly, optimizing workflow and productivity. The ML-4550, while slightly slower, still delivers a robust print speed of up to 40 pages per minute. Both printers can handle complex documents with ease, making them suitable for a variety of professional applications.

In terms of print resolution, the ML-4551ND and ML-4550 offer sharp and clear outputs with a maximum resolution of 1200 x 1200 dpi. This high-quality printing is ideal for producing text documents, presentations, and graphics with fine details. Additionally, Samsung's proprietary image processing technology enhances print quality and clarity, ensuring that every document meets professional standards.

The ML-4551ND and ML-4550 also feature a generous paper handling capacity, with a standard input tray that can hold up to 250 sheets of paper. For businesses with higher volume printing needs, the optional additional tray allows for an increase in capacity. Both models support various media types, including labels, envelopes, and card stock, adding versatility to meet diverse printing requirements.

Connectivity is another strong feature of the ML-4551ND and ML-4550. Equipped with USB and parallel ports, these printers can easily integrate into existing office networks. The ML-4551ND additionally provides built-in Ethernet networking capabilities, which allow multiple users to share the printer across a network, enhancing accessibility and convenience for teams.

Energy efficiency is also a key consideration with these models. The ML-4551ND and ML-4550 are designed with Eco Mode, which helps reduce toner and energy consumption during operation. This thoughtful design element not only supports sustainability efforts but also contributes to lower operating costs.

In summary, the Samsung ML-4551ND and ML-4550 are reliable and effective monochrome laser printers that provide businesses with high-speed printing, exceptional print quality, and flexible connectivity options. Their robust features and energy-efficient technologies make them a solid choice for organizations looking to enhance their printing capabilities while keeping costs under control.