Can I plug the power supply of another EVOLIS printer into my printer?

Yes, you can.
The only power supply compatible with the Quantum2 is the one for Securion:

About Evolis Card Printer

Evolis manufactures plastic id card printers for id badge printing and personalization : student ID cards, loyalty programs, banking cards, transportation passes, membership cards, driving licences, identity cards, id card, employee badges, voting cards, health cards, access badges, and visitor badges. A badge can host data pertaining to its holder, with four-color photo-quality printing, and perform data encoding (magnetic stripe, smart card and/or contactless card). Evolis is specialized in creating these innovative id card printers. Evolis also markets the Badgy card printer , a turnkey solution to print badges on plastic cards , in small runs and without encoding options. Get more information on Badgy card printer on www.badgy.com . Evolis also offers accessories and identification supplies through its subsidiary SOGEDEX ACCESSORIES.

Evolis supports Project Genesius , the Metropolitan Police, London, U.K. initiative to prevent crime in the printing industry.Evolis Equipment will only knowingly be supplied for legitimate applications and data may be shared in confidence with Law Enforcement.