21
B.
Treatments of the Problems before Repairs
Problems
Causes
Treatments
Rubber roller does not run
·
No power supply
·
Protective tube blown out
·
Pressure of rubber roller is
too big
·
Speed is too low
·
Motor breaks down
·
Turn on power supply
·
Replace protective tube
·
Reduce pressure of rubber roller
·
Turn the speed up
·
Re-place the motor
Mounted picture and text
is vague and has white
flack
·
There is dust on the surface
of picture and text
·
Poor quality of the film
·
Temperature is too low
·
Speed is too high
·
Clean the surface of picture and
text
·
Change the film
·
Raise the temperature
·
Reduce the speed
Crimping and bubbling of
mounted picture and text
·
Pressure is too big
·
Temperature is too high
·
Speed is too low
·
Picture and text not plain
·
Appropriately reduce pressure
·
Lower the temperature
·
Quicken the speed
·
Improve work skills
The films evidently skew
towards
one
side
in
mounting process
·
Pressure on the two sides are
not uniform
·
Tension on two sides is
different when film is fed in.
·
Adjust pressure on both sides
(See
part
A
of
XI
for adjustment
method)
·
Feed in the film once again
Quality on the two sides of
mounted picture and text is
different
·
Pressure on the two sides is
uneven
·
Adjust pressure on the two sides
(See part
A
of
XI
for adjustment
method)
Roll film gets loose in
running
·
Friction of material roller is
too small
·
Increase friction of material
roller
Backing paper is loose in
process of winding up
·
Friction of backing paper
roller is too small
·
Increase friction of the roller
