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2.3.4 Black Mark Layout and Operating Condition
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Black marks are selected at two places on the back and one place on the front
(PCS value is 0.9 or more).
* BM position is an option of factory shipment.
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Though printing is available on the printing side having a black mark on the
back, print density may become thin depending on the type of paper; therefore,
user’s notice such as printing on the place without black mark is necessary.
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Distance between black mark and black mark sensor is approx. 32.5 mm. If
black mark is detected within this distance, next black mark is detected.
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Cut position when black mark is detected by the GS+S command (black mark
detection command) is about 45 mm with the top of black mark used as a
reference.
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Amount of automatic paper feed at the detection of black mark can be set by
the ESC Y n1 n2 command.
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Basically cut command can be executed in any condition. If minimum distance
for issuing a ticket (80 mm) is not satisfied, paper feed as much as the shorted
amount is added by the printer.
* The user is requested to prepare the printing layout in consideration of the
above regulations.
Paper Feed
Direction
Print Surface
Symbol Item BM Paper
I Black mark length 5 to 10 mm
J Black mark width 10 mm min.
L Black mark pitch 100 mm ~ 3000 mm