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Oki Data CONFIDENTIAL

6. Routine Replacement.................................................................................. 171

6.1 Routine Replacement of Consumable Parts ................................................................ 171

6.2 Cleaning ........................................................................................................................ 171

6.3 LED Lens Array Cleaning ............................................................................................ 171

6.4 Pickup Roller Cleaning .................................................................................................172

6.5 Cleaning Feed Roller.....................................................................................................173

7. Malfunction Repair Procedure................................................................... 179

7.1 Precautions Before Repairs...........................................................................................179

7.2 Items to Check Before Remedying Abnormal Image ................................................. 179

7.3 Precautions Before Remedying Abnormal Image ........................................................179

7.4 Troubleshooting Preparations .......................................................................................179

7.5 Troubleshooting ..............................................................................................................179

7.5.1 LCD Message List .................................................................................................180

7.5.2 Preparing for Troubleshooting ................................................................................190

7.5.3 Troubleshooting With Abnormal Image ..................................................................204

7.6 Check Fuse ...................................................................................................................219

7.7 PU Error ........................................................................................................................220

8. Connection Diagram ...................................................................................221

8.1 Check Resistance Value................................................................................................221

8.2 Diagram of Part Layout of Various PCB ......................................................................228

9. Error message list.......................................................................................235

9.1 Message Chart of CX3641/C9850 ................................................................................235

9.2 Illustration appears on the operating panel..................................................................243

9.3 F/W Revision(C9650) ....................................................................................................246

9.3.1 F/W Rev. table ........................................................................................................246

9.3.2 Check abd version display......................................................................................246

43627911TH Rev. 3

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Oki MPS9650c Maintenance Manual

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