Using MFP menus

Menu item

Purpose

Values and descriptions

Serial Buffer

Configures the size of the serial

Disabled

The MFP disables job buffering. Any

 

input buffer.

 

jobs already buffered on the hard disk

 

Note: Changing the Serial Buffer

 

are printed before normal processing

 

 

of incoming jobs resumes.

 

menu item automatically resets the

 

 

 

 

 

MFP. Any permanent resources,

Auto*

The MFP automatically calculates the

 

such as fonts or macros, are lost.

 

 

Serial Buffer size (recommended

 

 

 

 

 

 

setting).

 

 

 

 

 

 

3K to maximum

The user specifies the Serial Buffer

 

 

size allowed

size. The maximum size depends on

 

 

(1K increments)

the amount of memory in the MFP, the

 

 

size of the other link buffers, and

 

 

 

 

 

 

whether Resource Save is set to On or

 

 

 

Off. To maximize the range for the

 

 

 

Serial Buffer size, disable or reduce

 

 

 

the size of the parallel and USB

 

 

 

buffers.

 

 

 

 

Job Buffering

This menu item only appears when

Off*

Does not buffer print jobs to the hard

 

a formatted hard disk is installed.

 

disk.

 

Temporarily stores jobs on the MFP

 

 

 

On

Buffers print jobs to the hard disk.

 

hard disk before printing.

 

 

 

 

Note: Changing the Job Buffering

Auto

Buffers print jobs only if the MFP is

 

menu item automatically resets the

 

busy processing data from another

 

MFP. It is reset to configure memory,

 

input port.

 

and any permanent resources, such

 

 

 

as fonts or macros, are lost.

 

 

 

 

 

 

Serial Protocol

Selects the hardware and software

DTR*

Hardware handshaking.

 

handshaking values for the serial

 

 

 

DTR/DSR

Hardware handshaking.

 

interface.

 

 

 

 

 

 

XON/XOFF

Software handshaking.

 

 

 

 

 

 

XON/XOFF/DTR

Combined hardware and software

 

 

 

handshaking.

 

 

 

 

 

 

XONXOFF/DTRDSR

Combined hardware and software

 

 

 

handshaking.

 

 

 

 

Robust XON

Determines whether the MFP

Off*

The MFP waits to receive data from

 

communicates availability to the

 

the computer.

 

computer.

 

 

 

On

The MFP sends a continuous stream

 

This menu item only applies to the

 

 

of XONs to the host computer to

 

serial port if Serial Protocol is set to

 

 

 

indicate that the serial port is ready to

 

XON/XOFF.

 

 

 

receive more data.

 

 

 

 

 

 

 

Network/Ports

38

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Image 38
Lexmark X644E manual Dtr/Dsr, Xon/Xoff/Dtr, Xonxoff/Dtrdsr

X644E specifications

The Lexmark X644E is a multifunction printer designed for businesses seeking reliable performance and advanced features. This model is particularly well-suited for medium to large workgroups, offering an excellent balance between functionality and efficiency.

One of the standout features of the X644E is its multifunction capabilities, which include printing, scanning, copying, and faxing. This all-in-one device simplifies office workflows and reduces the need for multiple machines, saving valuable space. The X644E can produce high-quality black and white prints at speeds up to 45 pages per minute, ensuring that even large volumes can be handled without sacrificing performance.

The printer utilizes Lexmark's Advanced Laser Technology, which optimizes print quality and delivers sharp, professional documents. Its resolution of up to 1200 x 1200 dots per inch ensures that text is crisp and images are clear, making it ideal for producing business reports, presentations, and legal documents. The printer also supports various media sizes and types, including envelopes, labels, and heavier stock, providing versatility for different printing needs.

Another key characteristic of the X644E is its user-friendly interface. The device features a large color touchscreen that simplifies navigation and offers easy access to settings and features. Users can quickly select functions, adjust print settings, and manage jobs seamlessly.

The X644E supports network connectivity, allowing multiple users to access the printer simultaneously. It is compatible with both wired and wireless connections, providing flexibility for different office setups. Additionally, mobile printing capabilities enable users to print documents directly from their smartphones and tablets, enhancing convenience.

Security is a significant concern for businesses, and the Lexmark X644E addresses this with robust features. It includes secure printing options, password protection, and user access controls, ensuring that sensitive information remains protected.

In terms of cost-efficiency, the X644E utilizes high-capacity toner cartridges, reducing the frequency of replacements and lowering overall printing costs. This feature is particularly beneficial for organizations looking to optimize their printing budgets.

Overall, the Lexmark X644E stands out as a versatile and powerful multifunction printer. With its high-speed printing, advanced technologies, user-friendly interface, and security features, it meets the demands of modern office environments, making it a solid choice for any business looking to enhance productivity and efficiency.