ER-A420 Remove Priceing level from tillslip

Hello
I recently bought a new ER-A420S
On each sales slip and on the journal roll it prints LEVEL 1 before each item.
I have figured out that this is the pricing shift level that it's printing not the PLU level as I previously thought .
It uses more paper and makes the slip harder to read is there any way to have it not print the price level ? .