SHARP CASH REGISTER XE-A202 WONT WORK IN REGISTER MODE. ERROR CODE E02

SOURCE: How to program the Sharp XE-A12 cash register

here is a link to the software.
there is not enough space here to type instructions, its 90 pages long.

you will need a sd card or usb cable to connect to your puter.

http://www.sharp.ca/downloads/default2.asp

SOURCE: I have a Sharp XE-A41S cash register. I cannot get

call the company for help

SOURCE: No Customer tools disk for my sharp xe-a41s

they have a customer service hotline
1-800-BE-SHARP. The online manual doesn't say anything about the program disk. If you don't have the manual look here: http://www.sharpusa.com/products/TypeManuals/0,1083,111,00.html

SOURCE: Sharp XE-A203 Cash register Error message 3.2

You have logged yourself out of the machine. Press CL then 1 then CLK# or CASH#

SOURCE: Sharp XE-A41S Cash Register

I lost the key to the register xe-a41s I need to replace the key , my question is how I get the key