Skip to Content Information Center
Lexmark T650

Lexmark T650

USB Connection to Laser Printer or MFP May Cause Various Symptoms

ENUS31524

What You Will See

When you connect the printer or MFP to a computer that is equipped with certain USB host controller chipsets, you may experience one or more of the following conditions:

  • -The operating system locks up.
  • -Existing USB peripherals may cease to function.
  • -The printer or MFP is not recognized by the operating system.
  • -Attachment failure of other high-speed USB peripherals following successful printer connection.
  • -Printer goes offline.
  • -Strange characters or garbage print on printed page
  • -Missing pages

Things to Try

  • -Try a different USB port on the computer.
  • -Connect a USB cable of a different length.
  • -If you have a USB hub available, connect it to the computer and then connect the printer to the hub.
  • -Check with Intel or the host controller manufacturer for updated USB host controller drivers.
  • -Adjust the USB Speed on the printer to Full Speed. Contact Lexmark technical support for assistance. See ' Contacting Lexmark' below.
NOTE: When purchasing a hub or additional USB cable to alleviate this issue, please make sure that such items are USB-IF certified for high-speed USB operation. Visit www.usb.org for details.

How to identify a USB host controller chipset

In Windows operating systems, access the Device Manager.

Windows XP:

  1. Right-click on My Computer.

  2. Click on Properties.

  3. Click on the Hardware tab.

  4. Click on the + sign next to Universal Serial Bus Controllers. Click here for image.

Windows Vista:

  1. Click on Start.

  2. Click on Control Panel.

  3. Click on System and Maintenance.

  4. Click on System.

  5. Click on Device Manger (found under Tasks in the left-hand column of the System menu).

  6. Click on the + sign next to Universal Serial Bus Controllers.

In Macintosh operating systems, access the System Profiler.

Mac OS:

  1. Click on the Apple icon in the upper-left corner of the Apple menu bar.

  2. Click on About This Mac to display the OS Xversion, processor, memory information, the Software Update button, and the More Info button.

  3. Click on More Info. Click here for image.

Brief Explanation


NOTE:
This problem is not exclusive to Intel only and chipsets vary by manufacturer.

Contacting Lexmark

Please contact Lexmark Technical Support if you need additional assistance.
NOTE:
When calling for support, you will be asked for your machine/model type and serial number ( SN). If you need help locating these,please click here, ( xref_SO4609_xref / xref_SO4610_xref).

Please call from near the printer in case the technician on the phone asks you to perform a task involving the printer.

LEGACY ID: SO4584

Notes:

  • Infoprint 1811 ----------------------------------------------------------------------------- Infoprint 1812 ----------------------------------------------------------------------------- Infoprint 1822 ----------------------------------------------------------------------------- Infoprint 1832 ----------------------------------------------------------------------------- Infoprint 1852 ----------------------------------------------------------------------------- Infoprint 1872 ----------------------------------------------------------------------------- Infoprint 1824 ----------------------------------------------------------------------------- Infoprint 1850 MFP ----------------------------------------------------------------------------- Infoprint 1860 MFP ----------------------------------------------------------------------------- Infoprint 1870 MFP ----------------------------------------------------------------------------- Infoprint 1826 MFP

Was this article helpful?
Top