Canon BJ-W9000, Service Manual

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5-101
BJ-W9000 Part 5: Maintenance
J1501
Pin No. Signal IN/OUT Function
27 A27 YD2 OUT Yellow data bus (bit 2)
28 A28 GND –– GND
29 A29 XYREQ IN Yellow data request signal
30 A30 GND –– GND
31 A31 D5V IN Power (5V)
32 A32 BD0 OUT Black data bus (bit 0)
33 A33 BD2 OUT Black data bus (bit 2)
34 A34 GND –– GND
35 A35 XBREQ IN Black data request signal
36 A36 GND –– GND
37 A37 D5V IN Power (5V)
38 A38 GND –– GND
39 A39 PIXCLK OUT Synchronized transfer clock for head data for
each color
40 A40 GND –– GND
41 B1 GND –– GND
42 B2 CD1 OUT Cyan data bus (bit 1)
43 B3 CD3 OUT Cyan data bus (bit 3)
44 B4 GND –– GND
45 B5 XCACK OUT Reply signal for Cyan data request
46 B6 GND –– GND
47 B7 XCHSYNC OUT Line synchronization signal for cyan data
48 B8 CCD1 OUT Photocyan data bus (bit 1)
49 B9 CCD3 OUT Photocyan data bus (bit 3)
50 B10 GND –– GND
51 B11 XCCACK OUT Reply signal for photocyan data request
52 B12 GND –– GND
53 B13 XCCHSYNC OUT Line synchronization signal for photocyan
54 B14 MD1 OUT Magenta data bus (bit 1)
55 B15 MD3 OUT Magenta data bus (bit 3)
56 B16 GND –– GND
57 B17 XMACK OUT Reply signal for Magenta data request
58 B18 GND –– GND
59 B19 XMHSYNC OUT Line synchronization signal for Magenta
60 B20 MMD1 OUT Photomagenta data bus (bit 1)
61 B21 MMD3 OUT Photomagenta data bus (bit 3)
62 B22 GND –– GND
63 B23 XMMACK OUT Reply signal for photomagenta data request
64 B24 GND –– GND
65 B25 XMMHSYNC OUT Line synchronization signal for photomagenta
66 B26 YD1 OUT Yellow data bus (bit 1)
67 B27 YD3 OUT Yellow data bus (bit 3)
68 B28 GND –– GND
69 B29 XYACK OUT Reply signal for yellow data request
70 B30 GND –– GND
71 B31 XYHSYNC OUT Line synchronization signal for yellow data
72 B32 BD1 OUT Black data bus (bit 1)
73 B33 BD3 OUT Black data bus (bit 3)
74 B34 GND –– GND