COPYRIGHT © 1999 CANON INC. CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 10 TROUBLESHOOTING10-44See the Service Manual for the installed Sorter-H1.See the Service Manual for the installed paper deck.See the Reader Unit Service Manual.Turn off and then on the printer unit. If the problem is not corrected, replace the print-er board. (For details, see the Service Manual for the PS/PCL Board.)CauseDrum cartridgeStep1Yes/NoYESNOActionEnd.Replace the DC con-troller PCB.ChecksReplace the drum cartridge. Is theproblem corrected?26 E81427 E545/E54628 E90330 Others29 SERVICE CALL CHECK READERDownload free service manual at http://printer1.blogspot.com