The following methods are available for some printing devices only. $cando() returns true if the device supports the method.
| Object specific | |
| $flush | $flush() flushes the device |
| $getparam | $getparam(nParamNumber) Returns the value of the specified custom device parameter |
| $open | $open() opens the device for transmitting or printing |
| $senddata | $senddata(xData[,xData,...]) sends data to device |
| $sendtext | $sendtext(cText[,bNewLine=kFalse,bFormFeed=kFalse]) sends text cText to device;if bNewLine is true the text is followed by the newline character sequence;if bFormFeed is true the text (and newline if specified) is followed by a formfeed |
| $setparam | $setparam(nParamNumber,value[,nParamNumber,value...]) sets the value(s) of the specified custom device parameter(s) |
| Standard | $close |