Let's take a look at the former sentence first: "If I have to type 슬롯 사이트, I need to switch on my system." This sentence implies that if you have to type at a certain time in the future, 슬롯 사이트 you have switch on your system.
Now, let's look at the latter sentence: "If I have to type, 슬롯 사이트 I need to switch on my system." This is an example of a conditional statement. The sentence implies that in order to do something (in order to type), you have to do something else (switch on your system). Also, in this example, the phrase "If I have to type" serves as an introductory elem슬롯 사이트t, and therefore, the comma should be placed after "type."
Sentences in which the comma appears after "슬롯 사이트" would be of the former type.