ConfigPrinter Options for configuring your printer to give best looking output. LeftMargin: Blank spaces at the left edge of print out. BeginCodes & ResetCodes: Printer control codes (decimal characters, separated by a space) to be sent to printer before and after printing. 80 characters maximum, including spaces. (e.g., 15 for IBM printers in compressed print mode, 18 to reset to normal print spacing) Save: Save printer codes.