Lexmark z2420 ユーザーガイド

Make sure the USB cable is correctly attached.

Attach the large, rectangular connector to any USB port on your computer. USB ports may be on the front or
the back of the computer, and may be horizontal or vertical.

Attach the small, square connector to the printer.

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, you can try uninstalling and reinstalling the software.

These are possible solutions. Try one or more of the following:

See if you have access to the Internet by opening your Web browser and accessing any site.

If there are other computers or resources on your wireless network, check to see if you can access them from
your computer.

Although the possible distance between devices in 802.11b or 802.11g networks is 300 feet, the maximum range
for optimal performance is generally 100–150 feet.