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This self test can be used to provide the test printouts required
when making adjustments to the printer’s mechanical assemblies.
See the sample printout in Figure 3.3.
The CANCEL Key Self Test should be performed before this self
test.
Information on the “Configuration” printout (CANCEL Key Self
Test) will be used with the results of this self test to determine
the best Darkness Setting for a specific media/ribbon
combination.
The FEED Key Self Test printout will print at various PLUS or
MINUS Darkness settings relative to the Darkness value shown
on the Configuration Label. This test
makes 7 printouts at speeds “A” (2"
per second) and “C” (4" per second).
Inspect these printouts and determine
which one has the best darkness
setting for the application.
The value on that printout is added to
(plus) or subtracted from (minus) the
“Darkness” value specified on the
Configuration printout.
The resulting numeric value (0 to 30)
is the best darkness value for that
specific media/ribbon combination.
The plus or minus value can be
entered by the operator while
performing a Label Darkness
Adjustment procedure. Enter the
PLUS value by pressing the UP
(FEED) key, or enter the MINUS
value by pressing the DOWN
(CANCEL) key the appropriate
number of times.
Optionally, the Darkness value can be
programmed into the ZPL II formats
sent to the printer.
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