We may have found other answers which could help you.
Click here for Product Price ProductHow can I mend ER-5240M?
How to fix error code E39 (reg. valid) Sam4s ER-5200m?
sps1000 non preset key use?
How do I clear the memory on my SAM4s ER5115II cash register?
How to program % discount on Sam4s ER-5200?
VAT rate change?