A:AnswerThe ink roller is an IR-40T. Which can be found here: https://www.casio.com/products/accessories/for-printing-calculators The paper is the standard 2 1/4 paper roll. It can be found online or at a Staples, Office Depot, etc.
A:AnswerThis model takes an Ink Roller, model IR-40T. I suggest calling Customer Service or Repair Support in the USA at 1-800-706-2534 during regular business hours (currently Monday-Friday 9:00a. m. - 5:00pm EST, Saturday 10:00 a.m. - 8:00 p.m.
A:AnswerPlease contact Casio Customer Service via email: https://www.casio.com/support/contactus/feedback Or Customer Service at 1-800-706-2534 during regular business hours (currently Monday-Friday 9:00a.m. - 5:00pm EST, Saturday 10:00 a.m. - 8:00 p.m.).
A:AnswerYou can download the manual here: https://support.casio.com/en/manual/manualfile.php?cid=004016011 You can also find additional support here: https://www.casio.com/support/calculators
The Casio International has more in depth specs on the printing calculators here: https://www.casio-intl.com/asia/en/calc/office/printing_compact/