44043511TH Rev.2
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Oki Data CONFIDENTIAL
5.3 Density Correction ............................................................................................................177
5.4 Paper Thickness Detection/Sensitivity Correction ............................................................
178
6. ROUTINE REPLACEMENT ..............................................................................180
6.1 Routine Replacement of Consumable Parts .....................................................................180
6.2 Cleaning ...........................................................................................................................
180
6.3 LED Lens Array Cleaning .................................................................................................
180
6.4 Pickup Roller Cleaning .....................................................................................................
181
6.5 Cleaning Feed Roller
.........................................................................................................182
7. MALFUNCTION REPAIR PROCEDURE ..........................................................188
7.1 Precautions Before Repairs ..............................................................................................188
7.2 Items to Check Before Remedying Abnormal Image .......................................................
188
7.3 Precautions Before Remedying Abnormal Image .............................................................
188
7.4 Troubleshooting Preparations ..........................................................................................
188
7.5 Troubleshooting .................................................................................................................
188
7.5.1 LCD Message List ..............................................................................................
189
7.5.2 Preparing for Troubleshooting .............................................................................
198
7.5.3 Troubleshooting With Abnormal Image ...............................................................
212
7.6 Check Fuse ......................................................................................................................
227
8. CONNECTION DIAGRAM ................................................................................228
8.1 Check Resistance Value ...................................................................................................228
8.2 Diagram of Part Layout of Various PCB ............................................................................
235
9. MESSAGE LIST ................................................................................................242
9.1 Message Chart of C910/C930 ..........................................................................................242
9.2 Illustration appears on the operating panel .......................................................................
251
9.3 F/W Revision (C910) .........................................................................................................
254
9.3.1 F/W Rev. table .....................................................................................................
254
9.3.2 Check abd version display ...................................................................................
254
APPENDIX-A C910/C930 LCD/LED DISPLAY ......................................................255