Duplo DB-280 Instruction Manual download pdf (Page 47)

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•

Setting

the

glue

-adjusting

knob

to

the

appropriate

positions:

Normally, the indicator is set at 1/3 to 1/2 of the arrow mark.

•

Controlling

the

quality

of

a

book

by

means

of

the

glue

meter: Note

that

the thickness

of

the

cover

sheet

is

an

important

factor

for

you

to

make

a good

spine. Use

only

the appropriate

thic

kness

of

cover

sheet

to

make

a

good

book.

1.)

Decrease

the

melted

glue

when:

2.)

Increase the melted glue when:

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