w Turning off the roller electrode• High-voltage remote signal (HVRMT) is ‘0’ and roller bias signal (ROED) is ‘0’Switch circuit goes OFF.High-voltage transformer drive circuit goes OFF.DC transformer T402 goes OFF.The above condition deprives the roller electrode of bias.* Output from the DC controller PCB (connector No.).Table 4-202 Combination of Developing DC/Roller Electrode Bias Output SignalsCHAPTER 4 IMAGE FORMATION SYSTEM4-37COPYRIGHT © 1997 CANON INC. CANON NP6560/NP6360/NP6260 REV. 0 NOV. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)Switching signal Control signalSignal* HVRMT ACBTP ROED ACCON DCBCHVT output J114-A10 J114-A3 J114-A1 J114-A7 J114-A2DC bias ON ‘1’ ‘1’ ‘1’ ‘0’ 3~11VDC bias OFF ‘0’ ‘0’ ‘0’ ‘0’ 2VRoller bias ON ‘1’ ‘0’ ‘1’ ‘0’ —Roller bias OFF ‘0’ ‘0’ ‘0’ ‘0’ —