Interface Board B1 - Canon 1000 Service Manual

20. Interface board B1

80
79
40
39
39
40
79
80
C32
B32
J1801
A32
LED
LED1801
LED1802
LED1803
LED1804
LED1805
LED1806
COPYRIGHT © 2001 CANON INC.
42
41
2
J1803
1
1
2
41
42
J1804
72
71
2
1
C1
B1
A1
Figure 7-633
ON in response to +5 V.
ON in response to the image data write enable signal (to
the IPU, etc.).
ON in response to the Bk image data read enable
signal (from the IPU, etc.).
ON in response to the C image data read enable
signal (from the IPU, etc.).
ON in response to the M image data read enable
signal (from the IPU, etc.).
ON in response to the Y image data read enable
signal (from the IPU, etc.).
Table 7-608
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
51
52
1
J1802
2
LED1803 LED1804 LED1805 LED1806
J1805
C32
B32
J1806
A32
Function
99
100
49
LED1801 LED1802
50
140
139
70
69
C1
B1
A1
7-185