What happens next in this paragraph?

How to choose a printer 
Determine your operating system and what printer manufacturers support your operating system (lexmark printers, for example, don't support linux). 
First we need to know what kind of printer you want. 
You have to choose whether you will only need black and white and you want it printed fast.
OPT:
[+] This is optional but it is a great way to show your operating system and printer's profitability as well as their advantages. Now we need to remember there are other sets of hardware on the console, including a graphics card and more..
[+] If you do and you work in an office, then. Do you want a scanner with it? Does it have to have a memory card reader in it and the ability to print pictures straight off your memory cards? Now you have to know how much money you want to spend..
[+] Another major disadvantage of printer design is it requires you to photoshop or deep-print. Lexmark printers can use both types of compression devices but some others use photoshop only and some print the images..
[+] There are two kinds of printers: hard and washable. The hard and washable are the wheels on the machine you will be printing with, but washable is cheaper..
If you do and you work in an office, then. Do you want a scanner with it? Does it have to have a memory card reader in it and the ability to print pictures straight off your memory cards? Now you have to know how much money you want to spend.