3. If the printer is experiencing bi-directional misalignment problems, the Alignment Test will show something like this: Troubleshooting Corrective action Perform the Printhead Alignment (Main Menu/Image Quality Maintenance/Align Printheads), using the same paper type with which you were experiencing unacceptable image quality, if feasible (some paper types are not suitable for Printhead Alignment). Diagnostic Part 3: Printheads & Paper Advance This test is designed to check whether the Printheads and the Paper Advance Mechanism are working correctly. This part of the Image Quality Test should not be used to check for color consistency or accuracy.
Banding If the printer is experiencing a banding problem, you will see repetitive horizontal bands within the printed image. ● Darker horizontal bands or lines repeated along the vertical band (from top to bottom at the same distance). ● Whiter horizontal bands or lines along the vertical band (from top to bottom at the same distance). The plot is printed in Best or Normal mode (according to the menu option selected) with Error Hiding ON. The top band has 100% ink density patches while the bottom band has 50% ink density patches. ENWW Print-quality troubleshooting 11