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C6901, C6902, C6903, C6911, C6912, C6913 (bizhub C750i)
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Contents
| Trouble type | C6901: DSC board mount failure 1 (When SC-509 is installed) C6902: DSC board bus check NG1-1 (When SC-509 is installed) C6903: DSC board bus check NG1-2 (When SC-509 is installed) C6911: DSC board mount failure 2 (When SC-509 is installed) C6912: DSC board bus check NG2-1 (When SC-509 is installed) C6913: DSC board bus check NG2-2 (When SC-509 is installed) |
| Rank | C |
| Trouble detection condition | C6901: When MFP detects that DSC board/1 (front side) is not properly installed. C6902, C6903: When DSC bus check (front side) detects an error.C6911: When MFP detects that DSC board/1 (back side) is not properly installed. C6912, C6913: When DSC bus check (back side) detects an error. |
| Trouble isolation | – |
| Relevant electrical parts | -DSC board/1 (DSCB/1; SC-509) -CPU board (CPUB) |
Procedure
- Check the connector between DSCB/1 CN1-CPUB CN9 for proper connection and correct as necessary.
- Replace DSCB/1. (Part# AA2JH02900)
- Replace CPUB. (Part# ACKNH02P03