Troubleshooting

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5Click the Ports tab.

6Locate the selected port. The selected port has a check beside it in the Port column.

7If the Description column of the selected port indicates that it is a USB port, then scroll through the list and select the port with Printer Port in the Description column. Check the printer model in the Printer column to make sure you select the right printer port.

8Click OK, and then try to print again.

MAKE SURE BIDIRECTIONAL COMMUNICATION IS ENABLED

Note: This solution applies to Windows users only.

1Click , or click Start and then click Run.

2In the Start Search or Run box, type control printers.

3Press Enter, or click OK.

4Right‑click the printer, and then select Properties or Printer properties from the menu.

5Click the Ports tab.

6Click the box next to Enable bidirectional support if it is not already checked.

7Click Apply > OK, and then try to print again.

Resolving intermittent wireless communications issues

You may notice that your printer works for a short time and then stops working, although apparently nothing has changed on your wireless network.

Many different issues can interrupt network communications, and sometimes more than one problem exists at the same time. Try one or more of the following:

DISCONNECT FROM ALL VPNS WHEN ATTEMPTING TO USE THE WIRELESS NETWORK

Most Virtual Private Networks (VPNs) allow computers to communicate with only the VPN and no other network at the same time. Disconnect from the VPN before installing the driver on the computer or before running the wireless setup on the computer.

To check if the computer is currently connected to a VPN, open your VPN Client software and check your VPN connections. If you do not have a VPN Client software installed, then check the connections manually using the Windows VPN Client.

If you would like to have the ability to connect to your local network and to a VPN at the same time, then request the system support person for the VPN to allow split tunneling. Be aware that some organizations will not allow split tunneling due to security or technical concerns.

TURN OFF THE ACCESS POINT (WIRELESS ROUTER) AND TURN IT BACK ON

Wait one minute for the printer and computer to reestablish the connection. This can sometimes refresh network connections and resolve connectivity issues.

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Lexmark 90T9200, 901, 90T9251, 90E, 90T9250, 91E, Pro915 manual Resolving intermittent wireless communications issues
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90E, 91E, 901, 90T9200, Pro915 specifications

Lexmark, a leader in printing and imaging solutions, offers a range of ink cartridges designed to enhance the performance and reliability of its printers. Among these cartridges are the Lexmark 90T9251 and 90T9250, which are specifically designed for the Pro915 series printers, along with the 90T9200 and 901 cartridges. Each of these products boasts unique features and technologies that cater to diverse printing needs.

The Lexmark 90T9251 and 90T9250 cartridges are high-yield options, providing users with a cost-effective solution for their printing demands. These cartridges are engineered to deliver sharp, professional-quality prints, making them ideal for both office environments and home use. The 90T9251 is a color cartridge, while the 90T9250 is a black cartridge, together allowing for vibrant color reproductions and crisp text. The high-yield nature of these cartridges means fewer replacements, thereby increasing productivity and minimizing downtime.

In addition to these cartridges, the Lexmark Pro915 printer utilizes advanced technology that enhances connectivity and usability. With features like wireless printing, mobile printing capabilities, and robust security protocols, the Pro915 is suitable for businesses that require flexible and secure printing solutions. The Lexmark mobile app further streamlines the printing process, allowing users to print directly from their smartphones or tablets.

The 90T9200 cartridge complements the Pro915 series by providing vibrant color options. This cartridge is designed to handle high-volume printing without sacrificing quality, ensuring that documents remain clear and visually appealing. This is particularly beneficial for marketing materials, presentations, and other professional documents.

Lastly, the Lexmark 901 cartridge is a standard-yield option that offers a balance between performance and cost. It is ideal for users with lower print volume who still require reliable quality. Despite being a standard cartridge, it does not compromise on the clarity and richness of color, making it suitable for everyday printing tasks.

In conclusion, Lexmark's range of cartridges, including the 90T9251, 90T9250, Pro915, 90T9200, and 901, reflects a commitment to quality, efficiency, and technological innovation. Each product is designed to meet specific user needs, whether for high-volume printing or everyday use, ensuring that every print job is executed with excellence.
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