Lexmark MX421 Users Guide PDF - Page 222
Scanner does not close, Scanning takes too long or freezes the computer, Step 1
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Troubleshooting 222 Scanner does not close Action Remove obstructions that keep the scanner unit open. Did the scanner unit close correctly? Yes The problem is solved. No Contact customer support. Scanning takes too long or freezes the computer Action Close all applications that are interfering with the scan. Does scanning take too long or freeze the computer? Yes Contact customer support. No The problem is solved. Scanner does not respond Action Step 1 a Check if the power cord is connected properly to the printer and the electrical outlet. Yes The problem is solved. CAUTION-POTENTIAL INJURY: To avoid the risk of fire or electrical shock, connect the power cord to an appropriately rated and properly grounded electrical outlet that is near the product and easily accessible. b Copy or scan the document. Is the scanner responding? Step 2 a Check if the printer is turned on. b Resolve any error messages that appear on the display. c Copy or scan the document. The problem is solved. Is the scanner responding? Step 3 The problem is a Turn off the printer, wait for about 10 seconds, and then turn the solved. printer on. b Copy or scan the document. Is the scanner responding? No Go to step 2. Go to step 3. Contact customer support.