n Input Signals from the DC Controller to the Composite Power Supply PCB*ON duty ratio of FLOW signal (in relation to 1kHz):40% or more ................................ON Iless than 40% ..............................ON IITable 4-101n Half Pre-Heating Control (between press on Power switch and press on Copy Startkey; part of scanner reverse travel)Figure 4-106n Full Pre-Heating Control (initial rotation, last rotation, part of scanner reverse travel)Figure 4-107COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 4 IMAGE FORMATION SYSTEM4-6FLON signalFLPRHT signalOFF5KHz5V0V25.9%Duty ratio (5 kHz)Filament voltageHalf preheating25.9 %2.5VrmsFull preheating60 %4.5VrmsFluorescent lampON I*44.4 %3.6VrmsFluorescent lampON II*55 %4.1VrmsFLON signalFLPRHT signalOFF5KHz5V0V60%
