Fax troubleshooting checklist

If you encounter problems sending and receiving faxes, then check the connection first:

1Check for a dial tone on the telephone line by plugging an analog telephone into the wall jack, DSL filter, VoIP device, or cable modem where you connected the printer. Make sure you plug the telephone into the same port.

If you do not hear a dial tone, then contact your line provider.

2While the printer is connected to the telephone line, check for a dial tone by plugging an analog telephone into the port of the printer.

If you do not hear a dial tone, then use the checklist below. Listen for a dial tone after checking each item.

If you hear a dial tone but still have problems sending and receiving faxes, then see the other topics in this section.

Connection checklist

•Make sure that the printer and other devices on the line (if applicable) are set up and configured correctly according to your setup scenario.

•Make sure that the cables are connected to the correct ports.

•Make sure that the cables are securely plugged in.

Check the cable connections for the following hardware, if applicable:

Power supply Answering machine Cable modem Splitter

Telephone

VoIP adapter

DSL filter

RJ-11 adapter

•If the printer is connected to a Digital Subscriber Line, then make sure you are using a DSL filter for the printer.

•If the printer is connected to a VoIP adapter or cable modem, then make sure that the printer is plugged into the first phone port.

•If you are using a splitter, then make sure that you are using a phone splitter. Do not use a line splitter.

Cannot send faxes

If the “Fax troubleshooting checklist” does not solve the problem, then try one or more of the following:

MAKE SURE TO ENTER YOUR USER INFORMATION IN THE PRINTER

If you did not enter your user information during initial setup, then enter your fax name and fax number. This is the information that identifies you as the sender in all the faxes that you send. Some countries or regions require the fax number and fax name for you to send a fax, and some fax machines block anonymous faxes.

DECREASE THE TRANSMISSION SPEED OF THE FAX MODEM

The modem of the printer can transmit data at 33,600 bps. This is the maximum speed at which the printer can send and receive faxes. It is not necessary, however, to set the modem to its fastest transmission capability. The speed of the modem of the receiving fax machine must match or be greater than the speed at which you are sending your fax. Otherwise, your fax will not be received.

1From the home screen, navigate to:

> Fax Setup > Dialing and Sending > Max Send Speed

2Select a sending speed, and then touch Accept.

Troubleshooting

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S800 specifications

The Lexmark S800 series is a line of multifunction printers that caters to the needs of both home and office environments. Renowned for their versatility and performance, these printers elevate printing, scanning, copying, and faxing capabilities, making them an ideal solution for small to medium-sized businesses.

One of the standout features of the Lexmark S800 series is its high-quality printing capabilities. The printers utilize Lexmark's advanced Color Replacement technology, which ensures vibrant and accurate color reproduction. With a maximum print resolution of up to 4800 color dpi, users can expect crisp and clear prints that are suitable for professional presentations and documents.

Another significant attribute of the S800 series is its speed. The printers are designed to handle high-volume printing tasks efficiently, delivering up to 35 pages per minute for monochrome and 33 pages per minute for color prints. This speed is particularly beneficial for busy office environments where time is of the essence.

The S800 also incorporates advanced scanning technologies. With a high-resolution optical scanner, it allows users to scan documents with precision and detail. The automatic document feeder (ADF) facilitates batch scanning, making it quicker to digitize multiple pages. In addition, the printers support various file formats, giving users flexibility in how they save and share their scanned documents.

Connectivity options on the Lexmark S800 series are robust, catering to the needs of a modern workspace. The printers offer Wi-Fi, Ethernet, and USB connectivity, ensuring seamless integration into both wired and wireless networks. Mobile printing capabilities are also included, allowing users to print directly from smartphones and tablets via compatible apps.

Additionally, the S800 series prioritizes user efficiency with its intuitive control panel and user-friendly interface. The 4.3-inch color touchscreen provides easy navigation through various functions, including printing, scanning, and setting preferences.

In terms of energy efficiency, the Lexmark S800 series is designed with sustainability in mind. It incorporates Lexmark’s Eco-Mode, which reduces energy consumption during both printing and sleep modes.

Overall, the Lexmark S800 series stands out with its combination of speed, quality, and advanced features. It is an excellent choice for anyone looking for reliable and high-performance multifunction printing solutions. Whether for personal use or business environments, the Lexmark S800 effectively meets diverse printing needs while ensuring efficiency and productivity.
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