ESC+#F - Print Darkness
Authored by RFID.me Last updated Editorial policy
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