this adjustment may be necessary if printing is too light on one side or if thick media is used. refer to figure 31.

    1. perform the toggle positioning procedure. if the problem is solved, you may stop here; otherwise, continue with the rest of this procedure.

    2. print some labels at speed a by running the pause key self test (see page 87).

    3. while printing labels, lower the darkness setting until a gray level of printing is seen.

    4. loosen the knurled (upper) locking nuts at the top of the toggle assembly/assemblies.

    5. increase or decrease spring pressure using the knurled (lower) adjusting nuts on the shafts of the toggle until the left and right edges of printed area are equally dark.

    printhead life can be maximized by using the lowest pressure that produces the desired print quality.

    6. increase darkness setting to the optimum level for the media being used.

    7. retighten locking nuts.