Make sure the printer and access point are not separated by poles, walls, or support columns containing metal or concrete.
Many devices can interfere with the wireless signal, including baby monitors, motors, cordless phones, security system cameras, other wireless networks, and some Bluetooth devices.
The printer is located away from obstacles or electronic devices that could interfere with the wireless signal.
The computer and printer are both connected to the same wireless network.
The correct printer port is selected.
The printer driver is installed on the computer from which you are performing a task.
• The Wi‑Fi indicator is green and successfully connected.
•
•
•
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The printer and the computer are within the range of the wireless network.
For most networks, the printer and the computer should be within 100 feet (30 meters) of the access point (wireless router).
•
Your WEP key or WPA passphrase is correct (if your network is secure). Log on to the access point and check the security settings.
A security key is like a password. All devices on the same wireless network using WEP, WPA, or WPA2 share the same security key.
If you are not sure if your security information is correct, then run the wireless setup again.
•
Your SSID is correct.
Print a network setup page to verify the SSID the printer is using.
If you are not sure if your SSID is correct, then run the wireless setup again.
•
The printer, the computer, and the access point (wireless router) are all plugged in and turned on. The wireless network is working properly.
Try accessing other computers on your wireless network.
If your network has Internet access, then try connecting to the Internet over a wireless connection.
•
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Wireless troubleshooting checklist
Before beginning to troubleshoot the wireless printer, verify the following:
“Resolving intermittent wireless communications issues” on page 159
•
“Communication with printer lost when connected to Virtual Private Network (VPN)” on page 153
•
“'Communication not available' message appears when printing wirelessly” on page 157
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“Wireless print server not installed” on page 157
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“Cannot print over wireless network” on page 154
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Communication with printer lost when connected to Virtual Private Network (VPN)
You will lose your connection to a wireless printer on your local network when connected to most Virtual Private Networks (VPNs). Most VPNs allow users to communicate with only the VPN and no other network at the same time. If you would like to have the ability to connect to your local network and to a VPN at the same time, the system support person for the VPN must enable split tunneling. Be aware that some organizations will not allow split tunneling due to security or technical concerns.
Wireless troubleshooting
Troubleshooting
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Lexmark 40E, S410 manual
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40E, S410 specifications

The Lexmark S415 and S410 series of printers, along with the 90T4110 toner cartridge, are designed to meet the needs of small to medium-sized businesses that require reliable, efficient, and high-performance printing solutions.

The Lexmark S415 is a multifunction device that combines printing, copying, scanning, and faxing capabilities in a single compact unit. It boasts a print speed of up to 33 pages per minute (ppm) for black and white prints and up to 28 ppm for color. This model utilizes Lexmark's proprietary Unison toner, which ensures consistent, high-quality output and reduces the need for frequent cartridge replacements. The S415 supports a variety of paper types and sizes, making it versatile for various office tasks.

On the other hand, the Lexmark S410 is designed for everyday printing needs with its streamlined functionality. It provides print speeds similar to the S415 and is equipped with a user-friendly interface that simplifies operation. The S410 model emphasizes energy efficiency, featuring Eco Mode to minimize energy consumption and reduce printing costs. The printer also supports mobile printing technologies such as AirPrint and Google Cloud Print, allowing users to print directly from their smartphones or tablets.

Both models incorporate advanced security features to protect sensitive business information. These include secure printing, which ensures that documents are only printed when the user is present at the device. Additionally, the printers offer various connectivity options, including USB, Ethernet, and wireless capabilities, providing flexibility in a networked office environment.

The 90T4110 toner cartridge, compatible with both the S415 and S410 series, offers a generous page yield, delivering more prints while reducing overall printing costs. This toner cartridge is engineered to provide consistent print quality and prevent downtime associated with frequent replacements.

In summary, the Lexmark S415 and S410 printers, supported by the 90T4110 toner cartridge, deliver robust performance and versatile features tailored for modern business requirements. With their multifunction capabilities, high print speeds, and emphasis on security and energy efficiency, these devices are invaluable assets for enhancing productivity in any office setting.
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