Sharp MX-C400 All in One Printer User Manual


 
7-30
TROUBLESHOOTING
Contents
GENERAL PROBLEMS
PROBLEMS RELATED TO MACHINE OPERATION
• Specified machine functions cannot be used.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-31
• The operation panel cannot be used. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-31
• Printing is not possible or stops during a job. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-32
• The wrong size is selected.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-32
• The displayed bypass tray paper size is not correct. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-32
PROBLEMS RELATED TO PAPER FEEDING AND OUTPUT
• The original misfeeds (automatic document feeder). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-33
• The paper misfeeds. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-33
• Paper does not feed from the paper tray. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-34
• The image on paper is skewed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-34
• The automatic document feeder does not operate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-34
PROBLEMS RELATED TO QUALITY / PRINT RESULTS
• Lines appear in the scanned image.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-34
• Smudges appear on printed output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-35
• Toner does not adhere well or creases appear in the paper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-35
• Print quality is poor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-35
• Part of the image is cut off. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-35
• Printing takes place on the wrong side of the paper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-36
• A cover or insert is not printed on the specified paper.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-36
PROBLEMS RELATED TO PERIPHERAL DEVICES
• The connected USB device cannot be used. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-36
• The connected USB memory cannot be used. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-36
• The finisher does not operate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-36
• Stapling does not take place. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-36
• The stapling position is not correct. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-37
OTHER PROBLEMS
• Preview images or thumbnail images do not appear.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-37
• The display screen is difficult to view.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-37
• You were logged out without having performed logout yourself. . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-37
• You forgot the administrator password. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-38
If you are unable to solve a problem using the solutions in this manual, switch off the [POWER] key ( ) and the main
power switch. Wait at least 10 seconds, and then switch on the main power switch and the [POWER] key ( ) in that
order.
Caution:
When the LINE indicator is lit or the DATA indicator is lit or blinking, do not switch off the main power switch or
unplug the power plug. This may damage the hard drive or cause the data being stored or received to be lost.