Brother SC-2000 Service Manual page 130

1.15 Size Detection, Ribbon Cassette, Open Cover Detection, and Key
Scanning Circuit
Table 3.1 shows a relationship between the stamp ID, its size, and the detection
switches.
In terms of dimensions (width and height), ID labels come in 11 types (1212, 2020,
1438, 3030, 4040, 1060, 3458, 1850, 2260, 2770, and 4090), and draft sheets
come in one type, totaling 12 types. These types are distinguished by ON/OFF
signals output from switches 0-5 on the size detection PCB.
Table 3.1 Relationship between the Stamp ID, Its Size, and the Detection Switches
Stamp ID Size
0 -
1 1212
2 2020
3 -
4 1438
5 -
6 -
7 3030
8 -
9 -
10 -
11 -
12 -
13 -
14 -
15 4040
Status of the detection switches
0 1
¢ r
¢ r
¢ r
¢ r
¢ r
¢ r
¢ r
¢ r
¢ r
¢ r
¢ r
¢ r
¢ r
¢ r
¢ r
¢ r
III - 12
2 3 4
r r r
r ¢ r
r r ¢
r ¢ ¢
r r r
r ¢ r
r r ¢
r ¢ ¢
¢ r r
¢ ¢ r
¢ r ¢
¢ ¢ ¢
¢ r r
¢ ¢ r
¢ r ¢
¢ ¢ ¢
5
r
r
r
r
¢
¢
¢
¢
r
r
r
r
¢
¢
¢
¢