I want to start all over with my casio qt6000 How do I delete and reinsert items and prices How do I start a new screen and get rid of the old

If you google it;

https://usermanual.wiki/Casio/CasioCasioCashRegisterQt6000UsersManual242873.1323227966/help

https://manualzilla.com/doc/7335015/casio-qt-6000-specifications

http://www.qt6000.com/handleidingen/CASIO_QT6000PGM_E040825A.pdf

https://www.youtube.com/watch?v=D_vbd6K28us

Try http://www.shopbot.ca
This is a online search site to find almost anything. Handy for odds and ends

Guessing. Look for a reset button. Small black or red or even a small tiny hole to fit a paper lip or similar item.

Turn key to Program mode Type new price (NO decimal point) press item button Press SUBTOTAL Turn key back to REG when finished.
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If anyone needs more information, the Casio TK-T200 manual is here: http://the-checkout-tech.com/manuals/cashregisters/Casio_TK-T200_users_and_programming_manual.html

Yes. Not hard to change. Try www.jbm.ie

Online Pdf Manual for qt-6000
ftp://ftp.totalpos.co.nz/Currentmanuals/Casio-QT6000.pdf

http://www.casio-europe.com/fr/downloads/manuals/ecr/qt6000.pdf

hi
i have found the users guide avalible at the link given below. The error code e105 is listed in the troubleshooting section at the end of the document. Maybe this may be of some help to you?

www.casio-europe.com/fr/downloads/manuals/ecr/qt6000.pdf

just link the PLU in the link list program to another PLU, list, deptment etc. In P3, #3 key features, and then plus