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Page 86 100-88002 Rev B
Feed to Black Dot
Epic 880
TM
printers are available with an optional black dot sensor, supported by a
feed to black dot command as well as an additional function to adjust the width and
offset of the black dot.
Note: This is a special order option, and requires an additional sensor and modified
firmware. It is not possible to field retrofit a standard Epic 880
TM
with a black dot
sensor.
Function Feed to Black Dot
ASCII [ESC][VT]<n>
Hexadecimal 1BH, 0BH,<n>
Decimal <27><11><n>
IPCL None
EPOS [GS][VT]<n>
Where n <n> is the number of inches to feed while looking for the black marker.
Description The [ESC][VT] command performs feeds the paper until the black dot is
positioned as configured.
This command keeps track of the location of the black dot and will feed paper
until the black dot is positioned as configured.
There are three configurable Black Dot parameters. The Dot Width, and the
Offset may be adjusted to operate with a specific paper. The Calibration is preset and
should not be changed.
Function Adjusting the width and offset of the Black Dot
ASCII ESC ~ W nl nh m
Hexadecimal 1B 7E 57 nl nh m
Decimal 27 126 87 nl nh m
Where n = The offset adjustment of the Black dot in n/203 inches where n = nl
+ 256*nh. Default is 304 or 1.5 inches. Values greater than 368 will set n to 368.
M = The Width of the black dot in m/203 inches. The default is 76 or 0.375
inches. Values less than 51 will be ignored.
The offset adjustment is the position of the black dot in relation to the cut point. If n =
0 the cut point will be in the center of the black dot. If the value of n = 304, the cut
point will be 1.5 inches above the black dot.
Note: This command may be issued as part of an application. If the values in the
configuration match the requested values, no operation occurs.