Toshiba B-570 SERIES Owner's Manual page 47

1. OUTLINE OF THE SYSTEM
Side detection limit position
Center of Label
28.5 mm
Main Frame
3 Strip sensor (Transmissive sensor)
This sensor detects whether or not the label has been removed and controls the label feed.
It is positioned 13.7 mm from the platen.
4 Ribbon end sensor (Transmissive sensor)
When printing in thermal transfer mode, this sensor detects the difference in potential
between the ribbon and the ribbon end to indicate the ribbon end. It is positioned 94.8 mm
from the platen and the detection point is 76.5 mm from the main frame.
Feed gap sensor (Transmissive sensor)
This sensor detects the difference in potential between the backing paper and the
label to find the print position of the label. The feed gap sensor is located 8 mm to
the right of the black mark sensor.
Home Position
70 mm
8 mm
Feed Gap Sensor
Black Mark Sensor
Strip Sensor (Tr)
Strip
Sensor (LED)
Print Head
Label
Backing Paper
Knob
Fig. 1-12
Print Head
13.7 mm
Strip Shaft
Backing Paper
Ribbon
Platen
Feed Roller
94.8 mm
1-11
1.5 ELECTRONICS SPECIFICATIONS
Home position
Center of Label
98.5 mm
Black Mark Sensor
Main Frame
Platen
Ribbon End Sensor (Tr)
Ribbon End Sensor (LED)
Pinch Roller
EM10-33006A
Home Position
8 mm
Label
Backing Paper
Knob
Feed Gap Sensor
Fig. 1-13
Fig. 1-14
Fig. 1-15