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antoney suresh das
07-03-2013, 05:27 AM
Hi Guys,
Konica Minolta c451 only yellow colour shifts down by 5mm any suggestions?

emujo
07-03-2013, 02:08 PM
I would suggest you try a few things to correct the issue, (your info does say you're a tech) then get back to us with what you've done and if anything changed.. Emujo

EarthKmTech
07-03-2013, 10:56 PM
if you hear grinding noises, its time to replace the main drive unit.

I've had the idler gear that sends drive to the yellow drum fail in the past, resulting in no drive / intermittent drive of the yellow drum with "interesting" results.

a noise was always audible as a give away though.

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