44346001TH Rev.1 64 /Oki Data CONFIDENTIAL 4.REPLACEMENT OF PARTS4.2.8 Image drum fan and ZHJ board(1) Remove the left side cover.(2) Remove the (silver-colored) screw ① and the two (silver-colored) screws to detachthe image drum fan ③ .(3) Remove the (silver-colored) screw ④ and unlatch five portions to detach the ZHJboard ⑤ .4.2.9 CU/PU PCB and low-voltage power supply(1) Remove the right side cover.(2) Remove the four (silver-colored) screws ① and unlatch and remove the plate shieldassembly ② .(3) Remove all the CU/PU board cables.(4) Remove the three (silver-colored) screws ③ to detach the PU/CU PCB ④ .(5) Remove all the low-voltage power supply cables.(6) Remove the two (silver-colored) screws ⑤ .to detach the low-voltage power supply⑥ .Warning Electric shock hazardWhen replacing the low-voltage power supply, electric shock may occur. Wear insulatedgloves, 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 dischargecompletely or, due to PCB breakdown, could not discharge. Use caution about electric shock.Exit connectorFuser connectorRear fan connectorExit cable wound oneturn around coreNote! The LED head cablesshould be attached, theend of the Film-FG beingplaced inside the Plate-side-R so as that theytouch no sheet metaledges of the Plate-side-R.
