Canon GP405 - Upper Fixing Roll Bias

CHAPTER 9 FIXING SYSTEM
9-12
COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
E. Upper Fixing Roll Bias
Figure 9-105 Bias Contact of the Upper Fixing Roller
Purpose
Sequence
Bias
Contact
Description
To limit offset of toner to the upper fixing roller.
Applies a bias only when paper moves through the fixing rollers.
Negative DC bias (-900 V)
Metal core of the upper fixing roller (Figure 9-105).
Contact
Metal core of the upper fixing roller
High-voltage cable (red)