Printed Barcode Cannot Be Read

A printed barcode may not be able to be read. Or, lines may not be printed clearly. Specifying [Select Line Width] may improve the situation.
Touch Panel Model
[Home] screen on the control panel [Menu] [Adjustment/Maintenance] [Adjust Image Quality] [Special Processing] [Select Line Width] Select the line width
5 Lines LCD Model
 on the control panel  [Adjustment/Maintenance]    [Adjust Image Quality]    [Special Processing]    [Select Line Width]    Select the line width  
*When this setting is enabled, the print density may decrease.
8WFY-0FX