Page: 10Service Guide OKIPAGE4wChapter 2 Operation DescriptionPower Supply UnitThe power supply unit supplies +5 V and +24 V to the main control board from 230 VAC /120 VAC.The power supply unit also contains a heater drive circuit.Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business PartnerExchange (BPX) for any updates to this material. (http://bpx.okidata.com)