This has come up before on this forum,
I have it as viscous ink during printing. (Poorly maintained ink pumps?)
If I recall comes up on early Spain, perhaps Brazil?
or.......
"Wiper blade anomalies" ? Doctor (ductor) blade flaws?
https://goscf.com/t/20484 br /
https://goscf.com/t/51424#445664Another example of Ductor blade, or poorly maintained ink pumps?
