
87
6-1 Problems with Booklet Quality
Problems with the Cover Sheets
Condition
Cause
Remedy
See page
The cover sheet is wrinkled.
The pressure from the transport
belts is too strong.
Make the pressure from the trans-
port belts weaker.
Page 27
The cover sheet is applied diag-
onally.
The registration stopper is out of
position.
Adjust the angle of the registration
stopper.
Page 66
The cover sheet is not cut at the
correct angle.
Use cover sheets which have been
correctly trimmed.
-
The cover sheet is not trans-
ported to the registration stop-
per.
Increase the amount to transport the
cover sheet backward.
Service
Jog guides interrupts the cover
sheet moving back to the regis-
tration stopper.
Select [Guide Open] at the Informa-
tion screen.
Page 33
The cover sheet is shifted paral-
lel to the book block toward the
fore-edge.
The jog guides on the nipper are
not set correctly.
Adjust the positions of the jog
guides.
Page 26
The scoring position is not cor-
rect.
Adjust the position of the scoring
roller.
Page 25
The cover sheet is shifted paral-
lel to the book block in the top-
bottom direction.
Cover sheet detect sensor is
stained.
Clean the sensor.
Page 71
The registration stopper position
is not correct.
Adjust the position of the registration
stopper.
Page 26
Upper cover guide hits the regis-
tration stopper.
Make some space between the
upper cover guide and registration
stopper.
-
The position of the cover sheet
changes.
The pressure from the transport
belts is too strong, or too weak.
Adjust the pressure from the trans-
port belts.
Page 27
The transport belts are stained.
Wipe the transport belts using a dry
cloth.
Page 5
A transport belt is missing.
Install the missing transport belt.
Page 5
The jog guide width on the nip-
per is too wide, or too narrow.
Adjust the jog guide width.
Page 26
The positioning guide width is
too wide, or too narrow.
Adjust the positioning guide width.
Page 27
Transport belt is worn.
Replace with spare belts.
Page 84
The cover sheet is not glued to
the book block spine.
The production speed is too
slow.
Increase the production speed.
Page 19
The glue temperature is too low.
Increase the glue temperature using
the glue temperature adjusting
knob.
Page 61
The glue which is being used
hardens too quickly.
Use the correct glue or talk to the
dealer.
-
The nipping delay time is too
long.
Decrease the nipping delay time.
Page 24
The cover is not fed.
Breaker of the cover feed blower
is tripped.
Check if the breaker is not tripped. If
the breaker trips repeatedly, please
call your local dealer.
Page 94
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