You are not the only one having this now.
Had it a few times. The customer complaints are for cyan dev crushed onto edges of colour prints.
This is a machine i am working on now, it is on its third cyan dev unit AND cyan drum.
Note, for some reason some 4 series machines, NOT all have cyan TCR set to +1. This machine was, I have now restored back to 0 like the rest.
I have checked the hopper and it is fine.
Today it has received a new transfer kit, vacuum out and yet another new cyan dev unit and drum. The machine is a c554 and has gone much of its life trouble free before this started.
Failed dev unit s/n a2xn00kdh0003696
IMG_1142.JPGIMG_1140.JPGIMG_1139.JPGIMG_1137.JPGIMG_1135.JPG
Note the picture of the dev unit is the new one - I always manually agitate them to sort out handling issues such as this.
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