Problem sheet travel Heidelberg sm 102-8

Hello.

We have a problem on our Heidelberg SM 102-8, 2012 year made

Its problem with every grammage,paper, size, speed...

If i take sheets one from five or six sheets go to blue and oder is ok every time look like problem is on second unit -CYAN bad i see shadow text in first unit-BLACK like text

THIS problem is just before perfector Unit 1-4 oder unit 5-8 is no problem

i Attached fotage : http://uschovna.zoznam.sk/D1342688249981-rAMMAFNlCFtHEAsPkWLN

Thanks very much

 

Do you find you have to keep adjusting the ink sweep to bring the colour down, but then it moves up again?

 

Ink an register hold perfect,but problem is with transfer sheets on first 4 unit

Look like paper gets skid-slip on first unit-black mostly at gloss ant matt paper