Canon imagerunner C5180 Service Manual page 290

f. Secondary transfer bias / bias control signal flow path
environmental sensor
DC controller PCB 1
secondary transfer
outside roller
J114
TR2_SEL
TR2_CTRL_P,N
high-
J88
voltage
HV2-SUB
unit
NCTL
PCTL
secondary
PSEN
transfer high
voltage
unit
DC power supply unit
J91
J90
J95
HV3
T801
DC bias for
secondary transfer
F-9-43
Chapter 9
: +24V
: +1kV
: control signal
9-49