ESC+#F — Print Darkness
Plain English
Sets the print darkness (head temperature). Higher values make the print darker but can cause smearing or ribbon wrinkle on thermal-transfer labels. Lower values produce lighter print but use less ribbon and extend head life.
When to use
When adjusting print quality — increase if barcodes aren't scanning, decrease if print is bleeding or smearing.
Syntax
ESC+#Fnn
Parameters
| Parameter | Description |
|---|---|
nn | Darkness level (printer-dependent, typically 01-20) |
Example
ESC+A ESC+#F10 ESC+H0100 ESC+V0050 ESC+BG020100TEST-DATA ESC+Q1 ESC+Z
Set medium darkness for barcode printing