10. SERVICE MODE
*4
The combination of the ON/OFF of the paper size sensors /BP1 (PS19), /BP2 (PS20), /BP3 (PS21) and
/BP4 (PS22) is shown in 4-bit data (0 to 15).
Sensor check display
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
*5
The combination of the ON/OFF of the paper size boards and the paper size detection boards (4 in all) is
shown in 4-bit data (0 to 15).
Sensor check display
17-2 (tray 1), 17-3 (tray 2),
17-4 (tray 3), 17-5 (tray 4)
218
PS19
PS20
PS21
OFF
OFF
ON
OFF
OFF
ON
ON
ON
OFF
OFF
ON
OFF
OFF
ON
ON
ON
OFF
OFF
ON
OFF
OFF
ON
ON
ON
OFF
OFF
ON
OFF
OFF
ON
ON
ON
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
PS22
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
State of each of the 4 sensors on the paper size boards
/1 (PSB /1) and /2 (PSB /2) and the paper size detect
boards /3 (PSDB /3) and /4 (PSDB /4)
1
2
OFF
OFF
ON
OFF
OFF
ON
ON
ON
OFF
OFF
ON
OFF
OFF
ON
ON
ON
OFF
OFF
ON
OFF
OFF
ON
ON
ON
OFF
OFF
ON
OFF
OFF
ON
ON
ON
Field Service Ver.2.0 Mar. 2009
3
4
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON