ZPL commandsPrinter and media
^COCache On
Not supported by zplkit yet
Turns the font cache on or off and sets how much extra memory it gets. Keeping scaled characters in the cache speeds up printing with scalable fonts.
Format
^COa,b,cParameters
| Parameter | Description | Default |
|---|---|---|
a | Cache onY or N | Y |
b | Additional memory for the cache, in KB | 40 |
c | Cache type0 cache buffer, 1 internal buffer | 0 |
^CMChange Memory Letter Designation
Reassigns the letters that refer to the printer's memory devices (B:, E:, R: and A:).
^CVCode Validation
Turns bar code data validation on or off. With validation on, the printer checks each bar code's data against its symbology and prints an error message in place of a bad code.