Understanding paper and specialty media guidelines

Card stock

Card stock is single ply, and has a large array of properties, such as the moisture content, thickness, and texture, that can significantly affect print quality. See Supported print media on page 35 for information on the preferred weight and for the grain direction of print media.

Try a sample of any card stock you are considering using with the printer before purchasing a large quantity.

See Print media weights on page 40 for information on the preferred weight of media.

When printing on card stock:

Set the Paper Type menu item in the Paper Menu to Card Stock from the operator panel, from the printer driver, or from MarkVision Professional. Set the Paper Weight to CardStock Weight, and select the CardStock Weight as

Normal or Heavy for the value. Set this from the operator panel, the printer driver, or from MarkVision Professional. Use Heavy for card stock weighing more than or heavier than 163 g/m2 (90 lb).

Be aware that preprinting, perforation, and creasing can significantly affect the print quality and cause media handling or jamming problems.

Avoid using card stock that may release hazardous emissions when heated.

Do not use preprinted card stock manufactured with chemicals that may contaminate the printer. Preprinting introduces semi-liquid and volatile components into the printer.

The use of grain long card stock is recommended.

Storing print media

Use the following guidelines to avoid paper feeding problems and uneven print quality.

For best results, store media in an environment where the temperature is approximately 21°C (70°F) and the relative humidity is 40%.

Most label manufacturers recommend printing in a temperature range of 18 to 24°C (65 to 75°F) with a relative humidity of 40 to 60%.

Store cartons of media on a pallet or shelf, rather than directly on the floor.

When storing individual packages of media out of the original carton, make sure they rest on a flat surface so the edges do not buckle or curl.

Do not place anything on top of the media packages.

Store paper in its original wrapper until you load it into the printer.

Avoiding jams

Use appropriate print media (paper, transparencies, labels, and card stock) to help ensure trouble-free printing. See Supported print media on page 35 for more information.

Note: Try a limited sample of any print media you are considering using with the printer before purchasing large quantities.

By selecting the appropriate print media and loading it properly, you can avoid most jams. For detailed tray loading instructions, see the following:

Loading standard or optional 500-sheet trays on page 49

Loading the multipurpose feeder on page 52

Loading the 2000-sheet dual input trays on page 55

Loading the 2000-sheet high capacity feeder on page 56

Storing print media

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Lexmark 840 manual Storing print media, Avoiding jams, Card stock

840 specifications

The Lexmark 840 is a versatile and robust multifunction printer designed to meet the demands of a modern office environment. This high-performance device is renowned for its impressive combination of printing, copying, scanning, and faxing capabilities, making it an invaluable asset for businesses seeking efficiency and productivity.

One of the main features of the Lexmark 840 is its high-resolution printing capability, which delivers crisp and clear documents at a speed of up to 42 pages per minute. The maximum resolution of up to 1200 x 1200 dots per inch (dpi) ensures that text and images come out looking sharp and professional. This device supports a variety of media types and sizes, including envelopes, labels, and cardstock, enabling users to tackle diverse printing tasks with ease.

In addition to its printing prowess, the Lexmark 840 boasts advanced copying features. With a copy speed of up to 42 copies per minute and the capability to enlarge or reduce the size of documents, users can easily manage large-volume copying tasks. The automatic document feeder (ADF) can handle up to 100 sheets, streamlining the copying process and saving valuable time for busy offices.

Scanning capabilities are also a notable aspect of the Lexmark 840. The device offers color and monochrome scanning with a resolution that can reach up to 600 x 600 dpi. A key highlight is its ability to scan documents directly to email, network folders, or USB, facilitating seamless document management and sharing.

In terms of technology, the Lexmark 840 integrates advanced security features to protect sensitive data. Its Secure Print functionality ensures that documents are only printed when the authorized user is present, thereby minimizing the risk of confidential information falling into the wrong hands. Additionally, the printer supports various connectivity options, including USB, Ethernet, and wireless connections, allowing users to connect their devices easily.

The Lexmark 840 is built for durability and longevity, featuring a robust design that withstands the rigors of a high-demand office. Its high-yield toner cartridges significantly reduce the total cost of ownership, making it an economical choice for organizations looking to manage their printing expenses effectively.

In summary, the Lexmark 840 combines high-speed printing, advanced copying, and efficient scanning in a single device, backed by a suite of security features and versatile connectivity options. This multifunction printer is ideal for businesses that prioritize performance and reliability in their print operations.