Canon Perfect Binder A1 Troubleshooting Manual page 22

Refer to the following table for details.
Location Condition
[A] Lack of glue at spine/ glue come off spine Hollows are formed in the glue applied to spine. Otherwise glue is applied but not adhered
[B] Side glue come off
b) Spine glue is pushed and spread over in a T (L) letter shape or an excessive amount of glue
If an excessive amount of glue is applied, it generates [Spine glue spread over in a T (L) letter shape] [C] or [An excessive amount
of glue] [D].
In such a case, go to Service mode> SORTER> Adjust> GLU-AMT1 and adjust by one toward minus (-) direction.
However, as to the spine glue spread over in a T (L) shape, this adjustment only alleviates the inclination, but is unable to eradicate
this symptom due to the structure of the product.
to the cover.
The cover easily comes off due to the scanty amount of side glue.
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Description