Water feed is too high
Optimize the water feed into the system
Ink strength is lower
Check ink strength against competion standard sample, if required adjust ink accordingly
Paper is absorbing too much ink
More absorbent paper consumes more ink, Check paper quality & absorbency.
Print with Higher density
Maintain density within ISO 12647-3 std. Suggest to maintain 0.85 to 0.88 density for color * Black for 1.05 to 1.10.
Total Ink coverage is more
Adjust TAC/TIC of four color picture (Spec to be 180)
For more information, please contact us.