Oki Data CONFIDENTIAL44158801TH Rev.2 73 /(2) Do not disassemble the printer as long as it is operating normally.(3) Limit disassembly to a necessary minimum. Do not remove other parts than thosespecified in the part replacement procedure.(4) Use the designated maintenance tools.(5) Conduct disassembly by following the specified sequential order. Failure to observe thisorder could damage the parts.(6) Screws, collars and other small parts should be attached provisionally to their originalpositions, since they are liable to be lost.(7) When handling a microprocessor, ROM, RAM and other ICs and circuit boards, do notwear gloves that tend to generate static electricity.(8) Printed-circuit boards should not be placed directly on an equipment or floor.4. REPLACEMENT OF PARTSThis section explains the field replacement procedures for parts, assemblies and componentunits. While those replacement procedures refer to the disassembling of parts, follow the sameprocedures inversely for reassembling them.The part numbers (1, 2, etc.) employed in this manual are different from those assigned in thecorresponding configuration diagrams of Disassembly for Maintenance (44158801TL) andRSPL (44158801TR).4.1 Precautions on the replacement of parts(1) Prior to replacing a part, be sure to disconnect the AC cord and interface cable.(a) To disconnect the AC cord, always follow the procedure described below:1 Turn off ("O") the power switch of the MFP.2 Pull out the AC plug of the AC cord from the AC power outlet.3 Unplug the AC cord and interface cable from the MFP.Electric shock can occur.When replacing the low voltage power supply, there is a danger of electric shock.Be sure to wear an insulation gloves or do not touch the electrically conductionareas or terminal directly by hand during the part replacement work.It takes approx. 1 minute for capacitors to be completely discharged after theAC power cord is disconnected. Be careful not to receive electric shock becausecapacitors may not discharge in case if PCB is defective.(b) To reconnect the MFP, always follow the procedure described below:1 Plug the AC cord and interface cable into the MFP.2 Insert the AC plug into the AC power outlet.3 Turn on ("|") the power switch of the MFP.DisconnectConnect
