44951501TH Rev.2
4-8
Oki Data CONFIDENTIAL
4.REPLACEMENT OF PARTS
4.2.8 Image drum fan and ZHJ board
(1) Remove the left side cover.
(2) Remove the (silver-colored) screw
and the two (silver-colored) screws
to
detach the image drum fan
.
(3) Remove the (silver-colored) screw
and unlatch five portions to detach the ZHJ
board .
4.2.9 CU/PU PCB and low-voltage power supply
(1) Remove the right side cover.
(2) Remove the four (silver-colored) screws
and unlatch and remove the plate shield
assembly .
(3) Remove all the CU/PU board cables.
(4) Remove the three (silver-colored) screws
to detach the PU/CU PCB
.
(5) Remove all the low-voltage power supply cables.
(6) Remove the two (silver-colored) screws to detach the low-voltage power supply .
Warning
Electric shock hazard
When replacing the low-voltage power supply, electric shock may occur. Wear insulated
gloves, or be careful not to touch the conductors or terminals of the power supply directly.
After the AC cord is unplugged, the capacitor may take about one minute to discharge
completely or, due to PCB breakdown, could not discharge. Use caution about electric shock.
Exit connector
Fuser connector
Rear fan connector
Exit cable wound one
turn around core
Note!
The LED head cables
should be attached, the
end of the Film-FG being
placed inside the Plate-
side-R so as that they
touch no sheet metal
edges of the Plate-side-R.
