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Adding extra departments to ER-A420?

I have recently bought a Sharp ER-A420 cash register. It says it has up to 99 departments but I can only get it to programme 6 - does anyone know how to increase the number?
Caroline, February 2008
Hi. the others may not have a type associated with them.

Try this:

Turn key to PGM2 mode
2110 . X 7 X 001 ST TL

Then see if you can prog dept 7. If you can, then do this for the other departments as well

Mark, May 2008
link Click here to see other fixes for Sharp.