ZPL II command cheat sheet
openzpl.com/zpl/commands/

LABEL FORMAT
  ^XA   Start Format: Opens a label. Everything up to ^XZ is one label.
  ^XZ   End Format: Closes the label opened by ^XA and prints it.
  ^PW   Print Width: Sets the label width in dots.
  ^LL   Label Length: Sets the label length in dots.
  ^LH   Label Home: Moves the origin that every field position is measured from.
  ^LS   Label Shift: Shifts every field left by the given number of dots.
  ^LT   Label Top: Moves the whole label up or down by the given number of dot rows.
  ^PO   Print Orientation: Prints the label normally (N) or upside down (I).
  ^PM   Print Mirror: Mirrors the whole label horizontally when set to Y.
  ^PQ   Print Quantity: Sets how many labels to print; each one counts as a label in the preview.
  ^MU   Set Units: Changes the unit of measurement to dots, inches or millimetres.
  ^CI   Change International Encoding: Selects the character set. ^CI28 is UTF-8.

FIELDS AND POSITION
  ^FO   Field Origin: Sets the field position: x, y coordinates in dots from the top-left corner.
  ^FT   Field Typeset: Positions a field by its baseline instead of its top-left corner.
  ^FD   Field Data: The text or barcode data of the current field.
  ^FS   Field Separator: Ends the current field.
  ^FB   Field Block: Wraps text into a block with a width, line count and alignment.
  ^FR   Field Reverse Print: Prints the field white on black over whatever is under it.
  ^FH   Field Hexadecimal Indicator: Lets ^FD contain hex escapes such as _0D.
  ^FW   Field Orientation: Sets the default rotation for the fields that follow.
  ^FN   Field Number: Names a variable field in a stored format.
  ^FX   Comment: A comment. The printer ignores everything up to the next command.
  ^SN   Serialization Data: Prints a number that increments on each label.

TEXT AND FONTS
  ^A    Scalable/Bitmapped Font: Selects the font, rotation and size for the next text field.
  ^A@   Use Font Name: Selects a font by its file name on the printer.
  ^CF   Change Default Font: Sets the font and size used when a field has no ^A.
  ^TB   Text Blocks: Wraps a text field inside a box of given width and height.
  ^CW   Font Identifier: Assigns a one-letter name to a font file.

BARCODES
  ^BY   Bar Code Field Default: Sets module width, wide-to-narrow ratio and height for the barcodes that follow.
  ^BC   Code 128: Code 128 barcode, the most common one on shipping labels.
  ^B3   Code 39: Code 39 barcode.
  ^B2   Interleaved 2 of 5: Interleaved 2 of 5 barcode, numeric only.
  ^BE   EAN-13: EAN-13 retail barcode.
  ^B8   EAN-8: EAN-8 retail barcode.
  ^BU   UPC-A: UPC-A retail barcode.
  ^B9   UPC-E: UPC-E retail barcode.
  ^BQ   QR Code: QR Code. The field data starts with the error correction level and input mode, as in ^FDQA,text.
  ^BX   Data Matrix: Data Matrix 2D barcode.
  ^B7   PDF417: PDF417 stacked 2D barcode.
  ^BO   Aztec: Aztec 2D barcode.
  ^BD   MaxiCode: MaxiCode, used by UPS.
  ^B0   Aztec (alias): Aztec 2D barcode; the same command as ^BO.
  ^BA   Code 93: Code 93 barcode: denser than Code 39, with two built-in check characters.
  ^BK   ANSI Codabar: Codabar barcode, used by libraries, blood banks and some couriers.
  ^BL   LOGMARS: LOGMARS barcode, the US military's Code 39 with a mandatory check digit.
  ^B1   Code 11: Code 11 barcode, numeric, used on telecom equipment.
  ^BM   MSI: MSI (Modified Plessey) barcode, numeric, used on shelf labels.
  ^BP   Plessey: Plessey barcode, numeric, with a CRC check digit.
  ^BS   UPC/EAN Extensions: The 2- or 5-digit add-on printed next to a UPC or EAN code.
  ^BZ   POSTAL: US postal barcodes: POSTNET, PLANET and Intelligent Mail.
  ^B5   Planet Code: USPS PLANET barcode.
  ^BR   GS1 DataBar: GS1 DataBar (formerly RSS): compact GTIN barcodes for produce and coupons.
  ^BF   MicroPDF417: MicroPDF417, a smaller PDF417 for little labels.

GRAPHICS
  ^GB   Graphic Box: Draws a box or a line: width, height, border thickness, colour and rounding.
  ^GC   Graphic Circle: Draws a circle: diameter, border thickness and colour.
  ^GE   Graphic Ellipse: Draws an ellipse.
  ^GD   Graphic Diagonal Line: Draws a diagonal line.
  ^GF   Graphic Field: Embeds a bitmap image in the label (ASCII hex, binary or Z64).
  ^GS   Graphic Symbol: Prints a registered, copyright or other symbol.

STORED FORMATS AND IMAGES
  ^DF   Download Format: Stores the label format on the printer under a name.
  ^XF   Recall Format: Recalls a stored format to fill its ^FN fields.
  ~DG   Download Graphic: Stores an image on the printer under a name.
  ^XG   Recall Graphic: Prints an image stored with ~DG.
  ^IM   Image Move: Prints a stored image at the current field origin.