This item appears only when I/O BUFFER=ON. Specify the amount of memory for I/O buffering. The maximum amount of memory available for I/O buffering is determined by the amount of memory installed in the printer, the languages installed in the printer, and by other memory allocations that must be made.
Press [–Value +] to change settings by increments of 10 (up to 100 KB) or by increments of 100 (above 100 KB).

I/O Menu

Items in the I/O (input/output) Menu affect the communication between the printer and the computer.

Table 3-11. I/O Menu

Item

Values

Explanation

 

 

 

I/O TIMEOUT=15

5 to 300

Select the I/O timeout period in seconds. (I/O

 

 

timeout refers to the time, measured in seconds,

 

 

that the printer waits before ending a print job.)

 

 

This setting allows you to adjust timeout for best

 

 

performance. If data from other ports appear in

 

 

the middle of your print job, increase the timeout

 

 

value.

 

 

Press [– Value +] once to change settings by

 

 

increments of 1, or hold down [– Value +] to

 

 

scroll by increments of 10.

I/O BUFFER=AUTO

AUTO

Allocate memory for I/O buffering.

 

ON

AUTO: The printer automatically reserves

 

OFF

memory for I/O buffering. Additional

 

configurations are not required and the

 

 

 

 

I/O BUFFER SIZE menu item does not

 

 

appear.

 

 

ON: The I/O BUFFER SIZE item appears (see

 

 

below). Specify the amount of memory to be

 

 

used for I/O buffering.

 

 

OFF: I/O buffering is not performed and the

 

 

I/O BUFFER SIZE item does not appear.

 

 

When the I/O buffer setting is changed, any

 

 

downloaded resources (such as fonts or

 

 

macros) will need to be downloaded again,

 

 

unless they are stored on an optional hard disk

 

 

or flash DIMM.

I/O BUFFER SIZE=

10K and up

 

100K

 

 

3-26Printer Operation

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Image 74
HP 4050, 4000 manual TIMEOUT=15, BUFFER=AUTO Auto, Buffer SIZE=, 11. I/O Menu Values Explanation
Page 73 Page 75

4050, 4000 specifications

The HP LaserJet 4000 series is renowned for its reliability and efficiency, making it a staple in many business environments. The HP 4000 N and 4000 model variants have been designed with advanced printing technologies to enhance productivity and deliver high-quality output.

The HP 4000 N model is equipped with a robust 1200 dpi resolution, allowing for sharp text and graphics, which is essential for professional documents. It supports a print speed of up to 19 pages per minute, ensuring that even large print jobs are completed quickly. This model features a monthly duty cycle of up to 65,000 pages, making it suitable for medium to large workgroups that demand consistent performance.

One of the defining characteristics of the HP 4000 series is its standout paper handling capability. The standard configuration includes a 250-sheet input tray, a 100-sheet output tray, and the flexibility to expand with optional additional trays. Users can add up to three 250-sheet paper trays for extended capacity, facilitating long-printing tasks without frequent interruptions. The printer also supports various media sizes, ranging from letter to legal and envelopes, catering to diverse office printing needs.

Connectivity is another strength of the HP 4000 N model. It comes standard with a parallel port and a fast Ethernet interface, ensuring seamless integration into networked environments. This allows multiple users to share the printer without sacrificing print speed or quality. The built-in PCL and PostScript compatibility offer versatility when dealing with different print jobs and are crucial for ensuring that text and graphics are rendered correctly.

In terms of consumables, the HP 4000 series utilizes high-capacity toner cartridges, which not only reduce the frequency of replacements but also contribute to lower overall printing costs. Users can expect a yield of around 10,000 pages per cartridge, optimizing productivity and minimizing downtime.

The HP 4000 N and 4000 series are also recognized for their durability and ease of maintenance. With a straightforward control panel and intuitive cartridge replacement process, users can quickly manage their printing tasks. This user-friendly design reduces the learning curve for new staff and enhances overall team productivity.

In conclusion, the HP 4000 N model stands out with its superior print quality, excellent speed, and robust paper handling capabilities. These features, combined with its connectivity options and cost-efficient consumables, make it a valuable addition to any business looking to enhance its printing infrastructure. The durability and reliability of the HP 4000 series ensure that businesses can rely on these printers for their day-to-day operational needs.
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