Some users have asked why their ImageWriter LQ printer seems to print
only on the top third of the ribbon.
The ImageWriter LQ adjusts the ribbon height with every page it prints,
in a four-page cycle. If you print predominantly single- or double-page
documents, you will see wear only on the upper half of the ribbon.
You use the ribbon fully only when you print documents of at least four
pages. After that, the fifth page uses the same ribbon section as page one,
page six the same as two, etc.