Canon Océ VarioPrint 6000+ Series Manual
Operator Manual
Page 91
9
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COMMON GLUING DEFECTS
Gaps in glue film
Feather on book spine
Check:
- Glue and roller temperature.
- Running temperature.
- Adhesive level in tank.
Adhesive and/or roller
temperature too low.
Nail head
Check:
- Cover press too tight.
- Height of back pressure.
Honeycomb film
Check:
- Glue and roller temperature.
- Level of adhesive in the tank.
- Moisture in the cover or book stock.
Uneven glue line
Insufficient adhesive applied.
Cavity spine
Cover press too tight.
Sharpen the knife.
Cover register
Cover feed is not square
with the cover clamp.