RDF-D1 (6/6)COPYRIGHT © 1997 CANON INC. CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 11 TROUBLESHOOTING11-197AddressP056P057P058P059P060DescriptionImage leading edge sensor(S20) DA signalManual feed set sensor(S32) DA signalOriginal sensor 2 (S27) DAsignalNot usedOriginal detection VAresistance (VR1)Signal Jack RemarksHexadecimal(4 digits)Hexadecimal(4 digits)NotationDownload service manual and resetter printer at http://printer1.blogspot.com