KBA 162a printing press Ink rollers not Dropping

Our press is 2001 KBA 162a
The rollers drop sometimes and other times not, but is still ducting ink rollers.
The ink rollers should come on automatic when in impression
We have checked for roller settings, air leaks, worn parts etc

Automatically Autonomous Automation

Automatically Autonomous Automation
Although the autonomous car is not quite ready, a lights out print operation is something you can do right now if you have a comprehensive Print MIS (Management Information System). The advantages can put money on your bottom line. So what’s your next step? Link to Article