SAM4s ER-285 Cash Register Supplies The SAM4s ER-285 uses 2.25" Thermal paper rolls. The ER-285 does not require an ink ribbon. The ER-285M and the ER-285 are the same machine with or without the M on the end of the model number.
Important Tips for maintenance and care of the SAM4s ER-285 Cash Register. Don't operate the SAM4s ER-285 cash register without the proper size paper in the printer. Operating without paper will lead to damage of the printer.We suggest leaving your cash register drawer open when you are closed. That way in the event of a break in the thief won't have to pry open the drawer just to find out there is no money in there in the first place.