Sony UP-DR150 Operating Instructions Manual page 28

In such a case, clean the thermal head gently with a soft
cloth moistened with alcohol.
Clean both ends of the thermal head gently
with a soft cloth moistened with alcohol.
Caution
Since the thermal head is still very hot just after printing
is finished, be careful when cleaning it.
If you use the printer in a high or low
temperature
You should be very careful when you use the printer in
cold or hot places.
The operating temperature range at which the
performance of the printer is guaranteed is between 5°C
and 35°C.
You may need to adjust the position of the thermal head
in order to accommodate the printer to the environment
in which you use it.
When you make a lot of printouts of images
containing very dark portions in a high
temperature environment approaching 35°C
Adjust the position of the thermal head if the following
problems occur:
Problem Position of the thermal head
The printout has Move the position by one notch toward
shrunk. the T side.
Whitish spots occur on Move the position by one notch toward
the dark portions of the S side.
the printout.
When you use the printer in a low temperature
environment approaching 5°C
Adjust the position of the thermal head if the following
problems occur:
Problem Position of the thermal head
The printout has Move the position by one notch toward
shrunk. the T side.
28
Precautions
Problem Position of the thermal head
Dark portions soak Move the position by one notch toward
into the light portions the T side.
of the printout.
To adjust the position of the thermal head
Thermal head adjustment mechanism plates are
provided at both ends of the thermal head.
When you adjust the position of the thermal head, adjust
both ends to the same position.
1
Insert the head of the screws driver into the groove
on the adjustment screw.
2
Turn the adjustment screw toward the T side or S
side by one notch according to the severity of the
problem until the protuberance locates at the proper
position and you hear a click.
Right side
Protuberance
3
Perform the same adjustment for the other side of
the thermal head repeating steps 1 and 2.
Left side
Protuberance