O
oconnorjimmyAug 1, 2025
Why is the adhesivity weak on my Duplo Binding Machine?
- MMichael LynchAug 1, 2025
Weak adhesivity can occur if the nipping time is insufficient, or the nipping delay time is too long.

Why is the adhesivity weak on my Duplo Binding Machine?
Weak adhesivity can occur if the nipping time is insufficient, or the nipping delay time is too long.
What to do if the booklets do not align in the stacker of my Duplo Binding Machine?
If booklets aren't aligning in the stacker, consider these potential causes: * Ensure you're using the stacker side guide correctly. * Adjust the book exit damper's position. * Turn off the hispeed mode. * Make sure the stacker stopper is pressed against the booklet.
Why is the booklet spine too sharp on my Duplo Binding Machine?
A sharp booklet spine can occur if the nipper nips the book block too tightly or if the nipping station is too high.
Why is the booklet spine rounded on my Duplo Binding Machine?
A rounded booklet spine may be caused by: * The nipper width being too wide for the book block thickness. * The nipping station being too low. * Not enough glue being applied to the spine. * A score not being applied to covers with a thickness of 157g/m² or thicker.
What causes the glue to run off the edge of the booklet on my Duplo Binding Machine?
Glue running off the leading and tail edges of the booklet can be caused by an incorrect glue cutting position or an incorrect book block size setting.
Why is there a gap between the book block spine and the cover in my Duplo Binding Machine?
A gap between the book block spine and the cover can occur if not enough glue is applied to the spine, or if the nipping station is too low.
| Brand | Duplo |
|---|---|
| Model | DPB-500 |
| Category | Binding Machine |
| Language | English |
Specifies voltage, frequency, and power consumption for machine operation.
Outlines safety warnings for maintenance, handling cords, and internal components.
Guides on powering on, adjusting panel, and preparing hot melt glue.
Guides on selecting cover type, paper size, and other job-specific settings.
Details how to start the binding operation, including lamp indicators and delay time settings.
Details adjustments for paper feed, scoring, nippers, and glue application.