Cu/Pu Pcb And Low-Voltage Power Supply - Oki MC561 Maintenance Manual

Oki Data CONFIDENTIAL

4.2.5 CU/PU PCB and low-voltage power supply

Warning
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.
(1) Remove the right side cover. (See 4.2.4)
(2) Remove the four (silver-colored) screws ①
(2) Remove the five (silver-colored) screws ② and unlatch and remove the plate shield
assembly ③ .
(3) Remove all the CU/PU board cables.
(4) Remove the three (silver-colored) screws ④ to detach the PU/CU PCB ⑤ .
(5) Remove all the low-voltage power supply cables.
(6) Remove the two (silver-colored) screws ⑥ to detach the low-voltage power supply
⑦ .
44473001TH Rev.1
Electric shock hazard
Note! The LED head cables
Exit connector
Fuser connector
Rear fan connector
4.REPLACEMENT OF PARTS
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.
Exit cable wound one
turn around core
92 /