1 - 23
To process communication problems, first of all, it is necessary to narrow down the cause of the problem. Thus,
the procedures appearing below must be checked accordingly.
Start
Is copying
being done?
Communication problems
exist. Carry out the procedures
on the next page.
NG
Do copying
Is copy
picture OK?
NG
NO
Does an error
appear on the
display?
Errors show on the display.
error massage page 1-6
error code
page 1-9
General error
Page 1-17
Printing problem
Page 1-17
Test print
OK
Scanning problem
Page 1-19
NG
YES
OK
OK
Figure 1-4 Procedures for Initial Identification of Trouble
Summary of Contents for PIXMA MP750
Page 6: ...Part 1 Maintenance ...
Page 45: ...1 39 3 3 7 Grease application Figure 1 25 Grease application1 1 9 10 2 3 4 2 8 ...
Page 95: ...1 89 Figure 1 46 System Data List 2 7 ...
Page 96: ...1 90 Figure 1 47 System Data List 3 7 ...
Page 97: ...1 91 Figure 1 48 System Data List 4 7 ...
Page 98: ...1 92 Figure 1 49 System Data List 5 7 ...
Page 99: ...1 93 Figure 1 50 System Data List 6 7 ...
Page 101: ...1 95 3 8 4 System Dump List MP780 only Figure 1 52 System Dump List 1 2 3 4 5 6 7 8 9 10 11 ...
Page 103: ...1 97 Figure 1 53 System Dump List 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...
Page 114: ...Part 2 Technical Reference ...
Page 126: ...Part 3 Appendix ...
Page 127: ...3 1 1 Wiring Diagram Figure 3 1 Wiring Diagram ...
Page 128: ...3 2 2 Circuit Diagram 2 1 NCU Circuit Diagram1 Figure 3 2 NCU Circuit Diagrm1 ...
Page 129: ...3 3 2 2 NCU Circuit Diagrm2 Figure 3 3 NCU Circuit Diagrm2 ...
Page 130: ...3 4 2 3 Relay Circuit Diagram Figure 3 4 Relay Circuit Diagrm ...
Page 135: ...PRINTED IN JAPAN IMPRIME AU JAPON CANON INC ...