6-5
CHAPTER 6 TROUBLESHOOTING GUIDE
G.
The booklet spine is rounded.
Cause: The nipper width is too wide for the book block thickness.
----> Chapter 4 "1-4. Setting the Nipper" (
p.4-7)
Cause: The nipping station is too low.
----> Chapter 4 "1-9. Adjusting the Nipping Station" (
p.4-12)
Cause: Not enough glue is applied to the spine.
----> Chapter 4 "1-7. Adjusting Spine Glue Amount" (
p.4-10)
Cause: A score is not applied to the cover with a thickness of 157g/m² or thicker.
----> Chapter 3 "2. Test-Feeding a Cover" (
p.3-6)
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