Fix Fault Casio

I tipped water on my Casio cash register and now it’s printing black sheets

what does E94 mean on the CASIO cash register model - PCR365P serial #0213512

How to replace battery in my Casio model 1405

does anyone have the owners manual for a casio temperature 515 ts-1200? I am willing to pay for the copy cost and mailing if that is possible. the main thing I am interested in is the function of each ... more

why is the arm temperature on my casio 515 ts-1200 incorrect. there is a temperature showing on the screen but incorrect? when I change to the room temp. this temp is correct. I have had the back off ... more