Printronix SL4M User Manual page 147

DIAGNOSTICS Submenus
PrintHead Usage
Displays the length of media actually printed since the last Reset Head Data
operation. This value is set to zero at the factory after burn-in testing.
Head On Time
Displays the time that power has been applied to the printhead since the last
Reset Head Data operation. This value is set to zero at the factory after burn-
in testing.
Reset Head Data
Resets all printhead statistics values (Head Prt Dist and Head On Time) to
zero.
Head Resolution
Displays the printhead resolution installed in dots per inch (203 dpi or
305 dpi).
Head Voltage
Displays the applied printhead voltage.
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