2. If the printer is experiencing vertical misalignment problems, the Alignment Test will show something
like this:
3. If the printer is experiencing bi-directional misalignment problems, the Alignment Test will show
something like this:
Corrective Action
▲
Perform a Printhead Alignment, 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 and paper advance test
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.
●
Dark line banding repeated along the band (from top to bottom at the same distance).
●
White line banding repeated along the band (from top to bottom at the same distance).
146 Chapter 7 Print quality ENWW