II - 14
[ 3 ] Side Sensor Circuit
The sensor circuit consists of a 5-switch side sensor (SW1 through SW5). Loading a
tape cassette turns on some of those five switches on the side sensor while keeping
other switches off depending upon the ID encoding holes provided in the tape
cassette currently loaded. If an encoding ID hole is closed, the corresponding sensor
switch goes on.
With the states of those sensor switches, the CPU identifies the tape width and ink
ribbon type of the tape cassette, as listed below.
Table 2.2-1 Coded Value for Identifying Tape Cassette Type
Position of the sensor switches
0: Sensor OFF (I.D.hole opened)
1: Sensor ON (I.D.hole closed)
Tape width
Cassette type
Sensor No.
SW1 SW2 SW3 SW4 SW5
-
No tape cassette loaded
0
0
0
0
0
3.5 mm
Non-laminated tape cassette
1
1
0
1
0
1
1
0
0
0
6 mm
Laminated tape cassette
0
0
1
1
0
0
0
1
0
0
Heat shrink tube cassette
0
0
0
1
0
9 mm
Laminated tape cassette
0
1
1
1
0
0
1
1
0
0
Non-laminated tape cassette
0
1
0
1
0
0
1
0
0
0
Heat shrink tube cassette
12 mm
Laminated tape cassette
1
0
1
1
0
1
0
1
0
0
Non-laminated tape cassette
1
0
0
1
0
Fabric tape cassette
1
0
0
0
0
Heat shrink tube cassette
18 mm
Laminated tape cassette
0
0
1
1
1
0
0
1
0
1
Non-laminated tape cassette
0
0
0
1
1
Fabric tape cassette
0
0
0
0
1
Heat shrink tube cassette
24 mm
Laminated tape cassette
0
1
1
1
1
0
1
1
0
1
Non-laminated tape cassette
0
1
0
1
1
0
1
0
0
1
Heat shrink tube cassette
SW5
SW3 SW1
SW4 SW2
Summary of Contents for P-touch PT-D600
Page 1: ...SERVICE MANUAL MODEL PT D600 ...
Page 171: ...Oct 2014 SM PT079 1 ...
