Service Manual
20
Transfer ribbon control photocell (TCR)
Measuring point
electronics CPU
Description
Correct value
Notes
ST15 PIN1
VCC
5V
ST15 PIN2
RIBBONCTRL
H or L
ST15 PIN3
PULLUP
≈
1,3V
ST15 PIN4
GND
0V
The transfer ribbon photocell checks the movement of transfer ribbon by changing of high and low
value at RIBBONCTRL. The ration of the changing should be 1 to 1.
Is the value for a certain period static (H or L, but depending on the set power of the control) appears
an error message.
Enter the printer settins menu, then select the menu item ribbon control to deactivate the transfer
ribbon control and to adjust its value.
Dispenser photocell (option)
Measuring point
electronics CPU
Description
Correct value
Notes
ST8 PIN1
VCC
5V
ST8 PIN2
DISPENSER
depends on the used
labels and the selected
power of the sending
diose
ST8 PIN3
PULLUP
current of sending diode
the higher the tension
the higher the power of
diode
ST8 PIN4
GND
0V
The dispenser photocell recognises if a label exists at the dispenser ledge.
The photocell level is set by the potentiometer P3. The measured label of the photocell is displayed in
the dispenser menu. The setting of label level should be > 2,5V (e.g. 0,2V for an empty dispenser
ledge, 3V for a coming label). The trigger value (value to recognise a label) can be set also in this
menu
→
best value, average value of the set label level (0 = no label recognised, 1 = label exists).
Summary of Contents for Vario II series
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Page 7: ...Service Manual 1 WIRING PLANS Electronics ...
Page 8: ...Service Manual 2 CPU Plan of components ...
Page 11: ...Service Manual 5 MEMORY CARD SLOT Option Plan of components ...
Page 13: ...Service Manual 7 INPUT OUTPUT PLATE OPTION Plan of components ...
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