Lexmark CX943 Users Guide - Page 424
Unable to read flash drive, Enabling the USB port, Settings, Network/Ports
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Troubleshoot a problem 424 Unable to read flash drive Action Step 1 Check if the printer is not busy processing another print, copy, scan, or fax job. Yes Go to step 3. Is the printer ready? Step 2 • Wait for the printer to finish processing the other job. • Remove, and then insert the flash drive. The problem is solved. Does the printer recognize the flash drive? Step 3 Check if the flash drive is inserted into the front USB port. Note: The flash drive does not work when it is inserted into the rear USB port. Go to step 5. Is the flash drive inserted into the correct port? Step 4 Insert the flash drive into the correct port. The problem is solved. Does the printer recognize the flash drive? Step 5 Check if the flash drive is supported. For more information, see "Supported flash drives and file types" on page 187. Go to step 7. Is the flash drive supported? Step 6 Insert a supported flash drive. The problem is solved. Does the printer recognize the flash drive? Step 7 Remove, and then insert the flash drive. The problem is solved. Does the printer recognize the flash drive? No Go to step 2. Go to step 3. Go to step 4. Go to step 5. Go to step 6. Go to step 7. Contact customer support. Enabling the USB port From the home screen, touch Settings > Network/Ports > USB > Enable USB Port.
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