Sharp MX-B402 MX-B402 MX-B402SC Operation Manual - Page 792

TROUBLESHOOTING Problem Two-sided copying does not take place. The paper size of a tray cannot be set. Point to check Does the paper type setting of the selected tray specify a type of paper that cannot be used for two-sided copying? Are you using a special size or type of paper? Are you copying using settings that do not allow two-sided copying? Have functions been disabled by the administrator? Have functions been disabled by the administrator? Solution Check "Tray Settings" in the system settings. If the [Disable Duplex] checkbox is selected , two-sided copying using that tray will not be possible. Change the paper type setting to a type that can be used for two-sided printing. ➞ System Settings > "Paper Tray Settings" > "Tray Settings" > "Change" For the paper types and sizes that can be used for two-sided copying, see "SPECIFICATIONS" in the Start Guide. Two-sided copying can generally be combined with other special modes, however, some combinations are not possible. If a prohibited combination is selected, a message will appear in the touch panel. Check with your administrator. Some functions may have been disabled in the system settings (administrator). Check with your administrator. When user authentication is enabled, the functions that you can use may be restricted in your user settings. Check with your administrator. Some functions may have been disabled in the system settings (administrator). Check with your administrator. PROBLEMS RELATED TO COPY RESULTS Problem The image is too light or too dark. Part of the image is cut off. Copies come out blank. Point to check Is the image too light or too dark? If you selected an original type instead of "Auto" for the copy exposure setting, is the selected original type appropriate for your original? Has an appropriate ratio been selected for the original size and paper size? Are you using an AB size original? Has the correct original size been set? Is the original placed face up or face down correctly? Solution Select an appropriate exposure mode for the original being copied and adjust the exposure level manually. Select the original type that matches your original. If the wrong type is selected, suitable image adjustment will not be possible. Select an appropriate ratio setting. When copying an AB size original, specify the original size manually. Touch the [Original] key and select the correct size. When using the document glass, the original must be placed face down. When using the automatic document feeder, the original must be placed face up. 8-21 Contents