If pressure activates the cohesive why doesn't pressure for a laser printer cause the activation?

If pressure activates the cohesive why doesn't pressure for a laser printer cause the activation?

Cohesive glue only reacts when it comes in contact with itself under pressure. Any other pressure and heat has no affect on the cohesive glue.

Cohesive glue only reacts when it comes in contact with itself under pressure. Any other pressure and heat has no affect on the cohesive glue.