Verify Installed Options

Under “Installed Personality” on the Configuration Page, look for options such as hard disk or DIMM types and sizes.

Verify that the options which are installed in the printer are reflected on the Configuration Page. If an installed device is not shown, reseat the device and print a new Configuration Page.

Image Quality

When you are working with customers, obtain a print sample before you begin troubleshooting the printer. Ask the customer to explain the quality they expect from the printer. The print sample will also help clarify the customer’s explanation.

Table 7-9. Image Quality Checks

Image Quality Checks Action

Does the problem repeat on the page?

Is the Toner Cartridge full and is it manufactured by HP?

Is the customer using print media that meets all HP paper specification standards?

Is the print sample similar to those in the Print Quality Tables on page 7-58?

Is the problem on the Toner Cartridge Drum or the Transfer Roller?

Use the Repetitive Defect Ruler on page 7-73.

Check the Toner Cartridge using the checklist on page 7-55.

For more information about HP’s paper specification standards, see Chapter 1 of this manual and the HP LaserJet Family Paper Specification Guide.

Compare and perform the actions recommended in the Print Quality Tables.

Perform the Half Self Test Functional Check (page 7-74) to determine where the defect is.

If a dark and distinct Toner image is preset on the Drum’s surface, assume that the first four functions of the electrophotographic process are functioning (cleaning, conditioning, writing, and developing – see Chapter 5), and troubleshoot the failure as a Transfer or Fusing problem.

7-54Troubleshooting

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HP 4050, 4000 manual Verify Installed Options, Image Quality Checks Image Quality Checks Action
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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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