I have bought a second hand casio te 4500f and i

The Dealers manual is here

https://www.manualslib.com/manual/358573/Casio-Te-3000s.html?page=3#manual

The Customer User Manual is here

https://manualsbrain.com/en/manuals/1869594/

The best way is always to get a dealer to do it with their laptop and Casio Software.
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WHAT IS CASIO 4500F PROVIDE DETAILS

Turn you key to P and while depressing RF button , plug it on to pwer and pres sub/total

Turn you machine to P2 and while pressing RF button , swich on the mains and press sub/total

Basically any DL drawer with the same connection on it as the one you have. Sometimes the register may not sit perfectly on top - some drawers have holes to secure the feet of the register, but it should be able to open the drawer. -----------------------------------------------------------------------------
If anyone needs more information, the Casio TE-4500f manual is here: http://the-checkout-tech.com/manuals/cashregisters/Casio5.php

Try this:
Turn key to program 0 CASH SUBTOTAL Turn key back to REG
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If anyone needs more information, the Casio TE-3000s, TE-4000F and TE-4500F manuals are here: http://the-checkout-tech.com/manuals/cashregisters/Casio5.php

Are you new balancing before you try to log the second clerk on? Make sure you don't have the check tracking selected. You can use interrupt or tables, but not both.
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If anyone is looking for a Casio TE-3000, 4000F, or 4500F manual, c-tech can help
TE-3000S operation manual: http://the-checkout-tech.com/manuals/cashregisters/Casio_TE-3000S_users_manual.html
TE-4000F, 4500F operation manual: http://the-checkout-tech.com/manuals/cashregisters/Casio_TE-4000F_and_TE-4500F_users_manual.html
TE-3000S, 4000F, 4500F programming manual: http://the-checkout-tech.com/manuals/cashregisters/Casio_TE-3000S_and_TE-4000F_and_TE-4500F_dealers_manual.html

Hi. Why do you think it has a password? What error is on the display? -----------------------------------------------------------------------------------------------------
If anyone needs a Casio TE-4500F manual, go here:
http://the-checkout-tech.com/manuals/cashregisters/Casio4.php

There are several things you will need to do. In the I/O program you must tell it where and how the scanner is set up and then you will have to program the scanner itself. I know this will solve it. I need to know the make and model of scanner

Hi.
Turn key to program mode
2 SUBTOTAL
Type the word CASH on the alpha sheet
Press 00 (double zero)
Press the cash button
SUBTOTAL