I have a Casio PCR T2000 cash register, which said E12, paper jam

You sure can. It will show the word charge on your daily reports. that is the only difference. Just a label for the same key

It\'s very unusual for the paper to jam as this machine uses a clam shell type of printer. Just raise the printer arm and remove the paper roll. Clear any paper from the print head and roller etc. Tear any wrinkled paper from the roll and then refit the roll with the shiny side of the paper towards you. Lay the paper in the printer and close the printer arm down onto the paper. If you are setting the journal side, wind some paper onto the takeup spool after it exits the printer and sit the spool into place.



If anyone needs a Casio PCR-T2000 manual, one of the users has it here:

http://the-checkout-tech.com/manuals/cashregisters/Casio_PCR-T2000_users_and_programming_manual.html

Your machine needs a service. Get a qualified tech to service the Key slot for you you will be fine or you might have to replace it altogether. Good luck

Contact your nearest dealer

You haven't mentioned the journal roll, so I will assume it prints the journal but not the receipt. What happens if you press the post receipt button at the end of a sale. Does it print daily reports on both rolls? --------------------------------------------------------------------
If anyone needs a Casio PCR-T2000 manual, C-tech collective have it here: http://the-checkout-tech.com/manuals/cashregisters/Casio3.php

It should be the same as most Casio registers:
Turn key to program 2 Subtotal 132 SUBTOTAL Type new characters 00 Cash subtotal
For the other three lines, use code 232, 332, and 432
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If anyone needs a Casio PCR-T2000 manual, try here: http://the-checkout-tech.com/manuals/cashregisters/Casio3.php

Replace the paper roll.
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If anyone is looking for a Casio PCR-T2000 manual, http://the-checkout-tech.com/manuals/cashregisters/Casio_PCR-T2000_users_and_programming_manual.html

I'm a little late, but for future reference, and anyone else with this problem, you have to change the journal paper feed. The one that updates with every purchase, and keeps a record of every single transaction. :) Hope this helps!

see page 10 of manual
http://www.casio4business.com/sa/products/downloads/manuals/PCR-T2000_E030326D.pdf

Did you clear the paper jam? Please explain the problem a little more.

Mark