3) Check the GLUING parameter of service mode of the device and enter an adjustment value for correctionCheck the setting value of Service Mode of the device> SORTER> Adjust> GLUING When the service mode setting parameteris different from the label parameter, enter the label parameter checked in the step 2).4) Check the stack registration guideCheck if any glue particle is attached on the stack registration guide [a], and make sure to clean if glue particles are attached.[Caution]Adjusting the glue amount will not be made correctly if glue particles or foreign substances are attached on the stack registrationguide.Check the condition of the stack registration guide before adjusting the glue amount and perform cleaning as needed.5) Print out a sample booklet of stack thickness 0 to 1.4mmPrint out a booklet of stack thickness 0 to 1.4mm using the stack of sheets (Signature) checked in the step 1).6) Check the condition of glue applied to the booklet and adjust the glue amountCheck the condition of glue applied to the booklet and perform the adjustment according to the condition.a) Lack of glue at spine, glue come off spine or side glue come offIf an insufficient amount of glue is applied, it generates [Lack of glue at spine/glue come off spine] [A] or [Side glue come off] [B].In the below figure, [1] indicates cover, [2], stack of sheets (Signature), and [3], glue.In such a case, go to Service mode> SORTER> Adjust> GLU-AMT1 and adjust by one toward plus (+) direction.19