2DC
2-3-10
2-3-5 High voltage board
The high voltage board contains the high voltage output circuit, interlock switch circuit as well as providing a liaison
connection with the power supply board, bias board, and the engine board.
Figure 2-3-9 High voltage board circuit block diagram
Control
and
driver
circuit
Transfer bias
output
positive voltage
circuit
MHVDR
THVDR,
RTHVDR
PSEL1,
PSEL2
HVISEL
+24V2
+24V2
+24V2
+24V3
+24V1
+5V
+5V
ZCROSS,
THERM, EXITN
Interlock switch
High voltage board
Bias board
Power supply board
Engine board
Main
charger
Transfer
roller
High voltage output circuit
FAN,
HEATN, SLEEPN
Control
and
driver
circuit
FET
Содержание KM-1500
Страница 1: ......
Страница 64: ...2DC 1 5 2 2 Paper misfeed detection conditions Registration sensor Exit sensor Figure 1 5 2...
Страница 102: ...2DC 1 6 17 15 Remove the four screws 16 Remove the drive unit Figure 1 6 19 Removing the drive unit Screws Drive unit...
Страница 116: ...2DC 1 6 31 Eraser lamp 9 Remove the eraser lamp 5 2 34 Removing the eraser lamp...