cura 2.3.1 not preheating

[tjvedder 0]

hello my version of cura 2.3.1 is not preheating the bed or nozzel

when i look at the start gcode cura is not generating the gode

for it any help is greatly appreciated.

thanks, Terry

[ahoeben 731]

Are you trying to use USB printing with an Ultimaker 2(+)? That is not supported. For the Ultimaker 2, you can use Machine Settings to change the gcode flavor to "Reprap (marlin/sprinter)". For the UM2+, you would need to edit some configuration files, or upgrade to Cura 2.5

[tjvedder 0]

im using a sd card i do have it configured for a rerap

thankyou terry