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6.3.3 PRINT DENSITY FINE ADJUST COMMAND [ESC] AY
Function Adjusts the automatically set print density.
Format [ESC] AY; abb, c [LF] [NUL]
Term a: Indicates whether to increase or decrease the density.
+: Increase (darker)
-: Decrease (lighter)
bb: Print density fine adjustment value
00 to 10 (in units of 1 step)
c: Indicates the mode for fine adjustment, thermal transfer or direct thermal.
1: Direct thermal
Explanation (1) The print density fine adjustment is performed by adjusting the time that voltage is
applied to the thermal head.
(2) If the print density fine adjustment value has been set in system mode (key
operation on the printer), the fine adjustment value will be the sum of the fine
adjustment by this command and the fine adjustment in system mode. The max.
fine adjustment values for thermal transfer/direct thermal print modes are each
±10.
(3) The fine adjustment values in thermal transfer print mode and direct thermal print
mode can be set independently.
(4) The Print Density Fine Adjust Command is protected in memory (even if the power
is turned off).
(5) The fine adjustment value for both the fine adjust command and the system mode
fine adjustment is 00 at shipment from the factory.
Notes Even if the print density is set to the value of +08 to +10, it will be automatically
converted to +07 in order to protect the thermal head.
Examples To set the density in thermal transfer print mode to -2.
[ESC] AY; -02, 0 [LF] [NUL]
To set the density in direct thermal print mode to +3.
[ESC] AY; +03, 1 [LF] [NUL]