HelloI have a problem with the Verso on IRAC 9280, when making a duplex copy or printing, the front is OK, on the other hand the back is offset by 0.3 to 0.5 mmI have made all of the following settings:The correct positioning of the Bloc CTI and I changed that the new CTIReplacement of the complete MIR patch detection sensor + adjustmentsI checked the after-sales label valuesI changed the RVC paper path rollersITB setting ok and color difference OKMISC-p at image setting x OkI did DC CONI have set ADJ-REFE and REG-DUP1I checked the drums and developer the pinion for neither broken nor crackedDespite all its changes and adjustments it still does not workAttached documents forinformation