Canon BJ-W9000, Service Manual

Page: 313 / 455

J405
Pin No. Signal IN/OUT Function
18 A18 XIRQ-M2S IN Interrupt request signal (from motor controller
to system controller)
19 A19 GND –– GND
20 A20 D5V OUT Power (5V)
21 A21 D5V OUT Power (5V)
22 A22 GND –– GND
23 A23 NC –– NC
24 A24 NC –– NC
25 A25 DOOR OUT Cover open/close signal
26 B1 GND –– GND
27 B2 D5V OUT Power (5V)
28 B3 D5V OUT Power (5V)
29 B4 GND –– GND
30 B5 LF-ENCA OUT Paper feed motor encoder A phase signal
31 B6 LF-ENCB OUT Paper feed motor encoder B phase signal
32 B7 GND –– GND
33 B8 CR-ENCA OUT Carriage motor encoder A phase signal
34 B9 CR-ENCB OUT Carriage motor encoder B phase signal
35 B10 GND –– GND
36 B11 LF-ENCV IN Paper feed motor encoder signal
37 B12 XREQ-M2S IN Cover open/close sequence handshaking
signal (from motor controller to system con
38 B13 GND –– GND
39 B14 XACK-S2M OUT Cover open/close sequence handshaking
signal (from system controller to motor con
40 B15 GND –– GND
41 B16 GND –– GND
42 B17 GND –– GND
43 B18 XRESET OUT External reset signal
44 B19 XLOWPWR OUT Power saving mode control signal
45 B20 XPOS-M2C IN Backup for check
46 B21 D5V OUT Power (5V)
47 B22 D5V OUT Power (5V)
48 B23 D5V OUT Power (5V)
49 B24 D5V OUT Power (5V)
50 B25 GND –– GND
J406
Pin No. Signal IN/OUT Function
1 A1 GND –– GND
2 A2 A3 OUT CPU address bus (bit 3)
3 A3 A2 OUT CPU address bus (bit 2)
4 A4 A1 OUT CPU address bus (bit 1)
5 A5 A0 OUT CPU address bus (bit 0)
6 A6 GND –– GND
7 A7 XCS-P0 OUT CPU Chip select 0
8 A8 XCS-P1 OUT CPU Chip select 1
9 A9 GND –– GND
10 A10 /RD OUT CPU Read signal (mechanical driver)
11 A11 /WRL OUT CPU Write signal (mechanical driver)
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BJ-W9000 Part 5: Maintenance