QuickLabel 200 Kiaro! - Manual (Page 129)

Troubleshooting
Kiaro! 200 User Guide 115
Changes in Density Due to Torque
Description
Horizontal lines of density change across the web.
Cause
Too much torque is causing the label roll to get pulled during printing.
Possible Solutions
Lower rewinder torque.
Ensure the rewinder is properly aligned to the media.