Applicable Systems
Speedmaster XL 106
Symptoms
The printing press reports an impression cylinder gripper fault. The impression cylinder grippers are not holding sheets correctly.
Possible Causes
- Gripper pad wear reducing grip force
- Gripper spring tension insufficient
- Gripper timing misaligned for sheet transfer
Troubleshooting Steps
- Step 1: Inspect gripper pads and replace if worn
Pads are intact and grip securely - Step 2: Check and adjust gripper spring tension
Tension meets the specification - Step 3: Verify gripper timing against transfer points
Timing is correct for sheet transfer
How to Reset
To reset: Repair the impression cylinder grippers, then clear the alarm.
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Source: Heidelberg Speedmaster Operating Manual, Heidelberger Druckmaschinen AG
Category: Printing
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