Questions about PHP calling printers

About PHP Calling printer issues

Are there any ways the great God can do the following (the website is a PHP management system):

1. The customer can click the button and print it directly on the printer instead of the pop-up window to print it manually?

2. You can specify the size of the print (just like print out a small ticket in the supermarket), instead of A4 paper size

No limit to the method, you can install plug-ins and so on. But it's best not to pretend
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Print on the page is not directly using JS to implement it?
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How do you set the size without bouncing the window?
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Do not pop-up window print size How to set ecshop print call I feel I can still refer to
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Direct printing I also have the need, now is to add a small C-terminal user-resident machine, with WebSocket and other communications.
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have controls, but are limited to IE8 below

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