mm/inch/dot conversion process in Position Adjustment is as follows;
1. Input to the form in Setting Tool
Unit Value Setting condition
mm
The value is adjustable in increments of ± 0.1 mm and rounded to the
1st decimal place.
inch
The value is adjustable in increments of ± 0.01 inch and rounded to the
2nd decimal place.
dot
The value is adjustable in increments of ± 1 dot and rounded to an
integer place.
2. Units Conversion process
1) When sending the value to the printer
The setting value is transmitted as dot information to the printer.
Case Conversion process Calculation (Setting value = A) Rounding method
Case 1
mm
dot
203dpi A / 25.4 × 203
Rounded down to
an integer place
300dpi A / 25.4 × 300
Case 2
inch
dot
203dpi A × 203
300dpi A × 300
2) When getting the value from the printer
The setting value is transmitted as dot information from the printer.
Case Conversion process Calculation (Getting value = B) Rounding method
Case 3
dot
mm
203dpi B × 25.4 / 203
Rounded down to
the 1st decimal
place. e.g. 2.183 ->
2.1
300dpi
B × 25.4 / 300
Case 4
dot
inch
203dpi B / 203 Rounded down to
the 2nd decimal
place. e.g. 2.117 ->
2.11
300dpi
B / 300
"mm/inch ⇔ dot" conversion always has a calculation difference in converting units.
These are cases where the setting value entered in the Setting Tool may change
slightly due to requirements of the conversion process.
e.g. In case of 3.2 mm setting:
3.2 / 25.4 × 203 = 25.5 ⇒25 dot (Sending value to the printer)
25 × 25.4 / 203 = 3.12 ⇒3.1 mm (Getting value from the printer)
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