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User's Guide
Using Hidden Parameters
The Setup menu also contains hidden parameters that are only accessible
by pressing a certain combination of control panel buttons. These
parameters are hidden since they are set at the factory and there is
seldom a need for printer operators to use them. Furthermore, if these
parameters are set incorrectly, poor print quality and performance can
result. When these parameters are set correctly however, these param-
eters fine adjust and fully optimize print quality and other printer charac-
teristics.
The SAVE and RSTOR printer functions do not affect hidden parameter
settings, since the printer does not save hidden parameter settings as part of
the Usr 1 to Usr 5 profiles. Instead, the printer retains only one setting for
each hidden parameter and this setting affects all future printing.
To access the hidden parameters, press the Setup button to display the
Setup menu. Turn the Select-dial until the last parameter in the menu is
Font Quality
displayed. Then, hold down both the Font and Quality buttons and turn
the Select-dial to display the hidden parameters.
51) RIBBON:
-2
Aligning the Ribbon
RIBBON fine-adjusts the vertical positioning of the ribbon in front of
the printhead. This ensures that the color bands on color ribbons are
correctly registered with the printhead and that monochrome ribbons are
not raised or lowered too far. To determine the correct setting for this
parameter, perform the Checking Ribbon Alignment procedure de-
scribed earlier in this section. From the test pattern, you can determine
the opti-mal RIBBON parameter setting. RIBBON parameter settings
range from -8 to 2. After you change this parameter, the printer prints a
test pattern using the new RIBBON setting so that you can verify ribbon
registration.
Solving Problems 6-29
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Table of Contents
Troubleshooting
