F1
Power
on
AC
in
Figure 5-12 Power supply block diagram
+5V
+40V
+54V
-40V
+12V
-12V
F2
F3
Triac control lines from the power control board
Theory of Operation
Drum heater 1
F°
Reservoir heater 1
F°
Black ink melter
Magenta ink melter
Cyan ink melter
Yellow ink melter
Cap/wipe/purge unit heater
F°
Jet stack left
Paper pre-heater
F°
Jet stack right
Reservoir heater 2
F°
Drum heater 2
F°
Service Manual
5
9923-22
5-15