creasing along the grain of board

[sandeshpawar]

Dear all,
Please suggest, as l've been facing creasing problem while printing on 250 gsm c1s board on crabtree.l've tried the printing pressure blankets even the grain direction, my board seems to be ok but after printing creasing appears on some of the sheets.
Please suggest.
Thank you.

 

[turbotom1052]

Dear all,
Please suggest, as l've been facing creasing problem while printing on 250 gsm c1s board on crabtree.l've tried the printing pressure blankets even the grain direction, my board seems to be ok but after printing creasing appears on some of the sheets.
Please suggest.
Thank you.

i would think that if your creasing on board stock you would likely have a problem with the infeed, or if not grippers that are way out of adjustment. Worn cam follower could do that too if it alters the gripper timing.

 

[sandeshpawar]

Thx, will try...