Page: 79Service Guide OL400Chapter 4 Failure & Repair AnalysisRAP 04:Size Tray Error AlarmSTARTDoes the paper size differ from the tray size?YES Use paper of the specified length.NO Is the tray set properly?NO Set the tray properly.YES Has the paper been fed through the printer?YES Replace the engine connection board.NO Is the tray identified correctly?YES ENDNO Replace the engine connection board or the enginecontroller circuit board.ENDCopyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA BusinessPartner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)