Menu item

Serial Buffer

Disabled Auto

3K to <maximum size allowed>

Job Buffering

Off

On

Auto

Serial Protocol

DTR DTR/DSR XON/XOFF XON/XOFF/DTR XON/XOFF/DTRDSR

Robust XON

On

Off

Description

Sets the size of the serial input buffer

Notes:

•Auto is the factory default setting.

•The Disabled setting turns off job buffering. Any jobs already buffered on the disk are printed before normal processing is resumed.

•The serial buffer size setting can be changed in 1-K increments.

•The maximum size allowed depends on the amount of memory in the printer, the size of the other link buffers, and whether Resource Save is set to On or Off.

•To increase the maximum size range for the Serial Buffer, disable or reduce the size of the parallel, USB, and network buffers.

•Changing this setting from the printer control panel and then exiting the menus causes the printer to restart. The menu selection is updated.

Temporarily stores jobs on the printer hard disk before printing

Notes:

•Off is the factory default setting.

•The Off setting does not buffer print jobs to the hard disk.

•The On setting buffers jobs on the printer hard disk.

•The Auto setting buffers print jobs only if the printer is busy processing data from another input port.

•Changing this setting from the printer control panel and then exiting the menus causes the printer to restart. The menu selection is updated.

Selects the hardware and software handshaking settings for the serial port

Notes:

•DTR is the factory default setting.

•DTR/DSR is a hardware handshaking setting.

•XON/XOFF is a software handshaking setting.

•XON/XOFF/DTR and XON/XOFF/DTR/DSR are combined hardware and software handshaking settings.

Determines whether or not the printer communicates availability to the computer

Notes:

•Off is the factory default setting.

•This menu item applies only to the serial port if Serial Protocol is set to XON/XOFF.

Understanding printer menus

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Lexmark X658dme, 16M1994, 16M1985, 90T7250, X658dtfe, X658dtme, X658dfe, X656dte 178, Serial Buffer, Serial Protocol, Robust XON
Page 177 Page 179

16M1840, X658d, 16M1260, 16M1742, X652de specifications

Lexmark has established itself as a robust player in the printer and imaging solutions market, continuously evolving its offerings to meet diverse business needs. Among its notable products are the Lexmark 16M1994 toner cartridge, along with the X658dtfe, X656de, and X654de multifunction printers. Each of these models is known for its reliability, efficiency, and advanced features.

The Lexmark 16M1994 toner cartridge is a crucial component designed to deliver sharp, high-quality prints. It has a generous yield, ensuring that users can produce documents with minimal interruptions. This toner is engineered to work seamlessly with various Lexmark printers, resulting in consistent quality and vibrant color reproduction. Its innovative formulation provides a smooth flow of toner, reducing the chances of clogging and enhancing overall print performance.

The X658dtfe model is a high-performance multifunction printer that stands out with its ability to handle demanding workloads. It features a fast print speed of up to 55 pages per minute and supports high-volume printing with a robust paper capacity. The X658dtfe is equipped with advanced scanning capabilities, including duplex scanning, which allows for efficient document handling. The device also offers optional finishing tasks such as stapling and hole punching, making it a versatile choice for offices that require multifunctional capabilities.

Similarly, the X656de and X654de models cater to businesses needing efficient printing, scanning, copying, and faxing solutions. Both models are energy-efficient and come with Lexmark’s eco-friendly technologies, ensuring minimal environmental impact while maintaining high productivity. They feature intuitive touch-screen interfaces, making them user-friendly and easy to navigate.

Key technologies across these devices include Lexmark’s Unison Toner, which enables superior print quality and lower total cost of ownership. The flexible architecture of the X600 series printers supports various media types and sizes, enabling users to produce everything from simple documents to intricate marketing materials.

In conclusion, the Lexmark 16M1994 cartridge and the X658dtfe, X656de, and X654de multifunction printers embody the company’s commitment to quality and efficiency. Their unique features, advanced technologies, and eco-friendly approach make them suitable for any business looking to enhance productivity while maintaining exceptional print quality. These devices not only streamline printing tasks but also adapt to the evolving needs of modern workplaces.
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