Re: c451 service bulletin
ok maybe you can check KM site Mosel/Thames - SDRAM issue on MFP board

The image problems have been occurring on Mosel and Thames series.
It is caused by MFP board, and increase from May on this year.


1. Symptom

• Printouts show several different failures like stripes or bars on different locations
of the paper. Also some “ghosting” might be visible.

4. Workaround for field engineers

• Exchange of the MFP board.
• Sometimes also the SODIMM memory module might cause this kind of problem.

9. effected Products
• A02EH34206 PWB assembly (PWB-MFP ASSY) bizhub C253, C203
• A02EH34106 PWB assembly (PWB-MFP ASSY) bizhub C353
• A00JH02007 PWB Assembly MFP bizhub C550 , C451
• A00JH02100 PWB assembly(PWB-MFP ASSY) bizhub C650
Looking for KM Usa bulletin on this problem