Because when i use it DSL drops
A credit card machine can range from $69 - $800, depending on the size and brand of the credit card machine. You can purchase a credit card machine at places such as Ebay.com, merchantequip.com, and elect-mer.com.
To swipe a credit card in a machine, you insert the card with the magnetic stripe facing down and towards the card reader. Swipe the card smoothly and steadily through the slot in the direction indicated on the machine.
KI on a credit card machine mean?
Go the the maker of the computer if it's a Windows machine and they should be able to tell you exactly or you can try to un-install the driver and have it re download it again and see if that fix's it. Either use the Windows Updater, go to your computer manufacturer and see if they have an updated driver or a fix, or go to the video card manufacturer and down load the driver they have.
No, it is not mandatory for green card holders to posses a machine readable passport (as the green card is machine readable).
keep it
reboot the machine
Replace with a new disc if professional cleaning machine does not fix it
I depends. It's either a sensor, it's wiring, or potentially the control card. Or it may be caused by wrongly positioned mechanisms of the main shaft.
press the coffee machine filled with coffee beans
yes
You would want to buy a credit card machine if you are allowing credit card purchases in your business. Also, if you do not have a computer, tablet or phone that allows scanning of credit cards then you would need a credit card machine.