4Squeeze the multi-purpose tray paper width guides and adjust them to the width of the paper. Do not force too much, or the paper will be bent, which will result in a paper jam or skew.

5When you print a document, set the paper source and type in the software application. See the Software Section.

For information about setting the paper source and type on the control panel, see page 2.4.

6After printing, put the multi-purpose tray extension back to its place and close the multi-purpose tray.

Tips on using the multi-purpose tray

Load only one size of print media at a time in the multi-purpose tray.

To prevent paper jams, do not add paper when there is still paper in the multi-purpose tray. This also applies to other tray.

Print media should be loaded face up with the top edge going into the multi-purpose tray first and be placed in the center of the tray.

Always load only the print media specified in page 5.2 to avoid paper jams and print quality problems.

Flatten any curl on postcards, envelopes, and labels before loading them into the multi-purpose tray.

When you print on 76 mm x 127 mm (3 x 5 inches) sized media on the multi-purpose tray, open the rear cover for straight paper path to avoid paper jams.

When you print on transparencies, open the rear cover. If not they may tear while exiting the printer.

Using manual feed mode

You can manually load a sheet of print media in the multi-purpose tray if you select Manual Feed in the Source option from the Paper tab when you change print settings to print a document. See the Software Section. Manually loading paper can be helpful when you want to check the print quality after each page is printed.

This loading procedure is almost the same as the procedure for loading in the multi-purpose tray, except you load paper sheet-by-sheet in the tray, send print data to print the first page, and press OK on the control panel to print each following page.

1 Load the paper with the side to be printed on facing up.

2Squeeze the multi-purpose tray paper width guides and adjust them to the width of the paper. Do not force too much, or the paper will be bent, which will result in a paper jam or skew.

3When you print a document, set the paper source to Manual Feed and select the appropriate paper size and type in the software application. See the Software Section.

4Print a document.

The display shows a message prompting you to load paper and press OK.

5Press OK.

The printer picks up the print media and prints. After one page is printed, the message appears again.

Note

• If you do not press the button, after a pause the printer will automatically pick the print media.

6Insert the next sheet into the multi-purpose tray and press OK. Repeat this step for every page to be printed.

5.7 <Loading print media>

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Samsung ML-4550, ML-4551ND Using manual feed mode, Tips on using the multi-purpose tray

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.