COPYRIGHT © 2000 CANON INC. 2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000CHAPTER 4 IMAGE FORMATION SYSTEM4-33 PThe following signals are used:[1] separation charging leakage detection signal; ‘0’ when an excessively high or low levelof current is detected.[2] separation charging current control signal; when about 3 V or higher and lower than 11V, the output of the separation current turns ON; when about 12 V or higher, it turnsOFF.[3] separation charging remote signal; turns on/off the output of the separation current.Download Free Service Manual at http://printer1.blogspot.com