•“Communication with printer lost when connected to Virtual Private Network (VPN)” on page 158

•“Resolving intermittent wireless communications issues” on page 171

Resetting the wireless settings to factory defaults

1From the home screen, navigate to Reset Network Settings: Resetting the wireless settings to factory defaults > Network Setup > Reset Network Settings

2Touch Yes.

The printer wireless settings are reset to factory default settings. To verify, print a network setup page.

Cannot print over wireless network

If you encountered problems while installing, or if your printer does not appear in the printers folder or as a printer option when sending a print job, then you can try uninstalling and reinstalling the software.

Before you reinstall the software, check the troubleshooting checklist, and then do the following:

TURN THE WIRELESS ACCESS POINT OFF AND THEN BACK ON

Turning the access point off and then back on again can sometimes refresh network connections and resolve connectivity issues.

DISCONNECT FROM VPN SESSION

When you are connected to another network through a VPN connection, you will not be able to access the printer over your wireless network. End your VPN session and try printing again.

MAKE SURE DEMO MODE IS TURNED OFF

Check to see if your printer has a Demo Mode. Selected printer features are not available when Demo Mode is turned on.

From the printer control panel, navigate to Demo Mode:

Cannot print over wireless network > Demo Mode.

Select Off, and then save the setting.

CHECK YOUR WEP KEY OR WPA PASSPHRASE

If your wireless access point is using Wired Equivalent Privacy (WEP) security, then the WEP key should be:

•Exactly 10 or 26 hexadecimal characters. Hexadecimal characters are A–F, a–f, and 0–9. or

•Exactly 5 or 13 ASCII characters. ASCII characters are letters, numbers, and symbols found on a keyboard. ASCII characters in a WEP key are case-sensitive.

If your wireless access point is using Wi-Fi Protected Access (WPA) security, then the WPA passphrase should be:

•From 8 to 63 ASCII characters. ASCII characters in a WPA passphrase are case-sensitive. or

•Exactly 64 hexadecimal characters. Hexadecimal characters are A–F, a–f, and 0–9.

Note: If you do not know this information, then see the documentation that came with the wireless network, or contact the person who set up your wireless network.

Troubleshooting

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Lexmark 90T9105, Pro900 Resetting the wireless settings to factory defaults, Cannot print over wireless network, Demo Mode
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301, Pro900, 30E, 4444, 90T9105 specifications

The Lexmark 30E, 301, and S500 series are renowned for their efficiency, reliability, and innovative technologies, making them a preferred choice for small to medium-sized businesses. Each of these models caters to a variety of printing requirements while maintaining high standards in performance and usability.

The Lexmark 30E is recognized for its compact design and versatility. As a monochrome laser printer, it excels in producing sharp, high-quality text documents. With a print speed that can reach up to 40 pages per minute, it is ideal for environments with moderate to high-volume printing needs. The printer is equipped with a robust processor and has a print resolution of up to 1200 x 1200 dpi, ensuring that documents are presented clearly and professionally. Additionally, it features automatic duplex printing, which not only saves on paper costs but also contributes to enhancing overall workplace efficiency.

The Lexmark 301 series builds on this foundation while offering enhanced capabilities and features. This series includes multifunction capabilities, which allow users to print, scan, copy, and fax from a single machine. With an intuitive touchscreen interface, operation is streamlined, making it accessible for all users. It supports mobile printing solutions, enabling users to print directly from smartphones or tablets, a feature that is increasingly crucial in today’s mobile-centric workplaces. The Lexmark 301 series uses advanced imaging technologies, ensuring high-quality output, vibrant graphics, and reliable document consistency.

The Lexmark S500 series stands out with its sophisticated color printing abilities and high-performance features. This series is engineered for higher volume printing, with options for both single and multi-function models. The S500 offers color print speeds that rival many monochrome printers, making it efficient for businesses that require rich, vivid color documents. It features Lexmark's award-winning imaging technology, which guarantees outstanding color accuracy and detail. Advanced security features, such as secure printing and user authentication, are also integrated, ensuring sensitive information remains protected.

In conclusion, the Lexmark 30E, 301, and S500 series printers are designed to meet the diverse needs of modern businesses. With their focus on speed, quality, and user-friendly interfaces, these printers not only enhance productivity but also provide cost-effective solutions for managing office tasks. Whether it’s a small office needing basic printing capabilities or a larger enterprise requiring multifunction devices, these Lexmark models deliver exceptional performance and reliability.
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