Oki C9850 Maintenance Manual page 8

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
Oki Data CONFIDENTIAL
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