Canon DU-82, Service Manual

Page: 46 / 66

Figure 4-1-1
Note : The image defect occurred at the user side might not re-occur on its test print.
In this case, make a print from external device and infer the defective part by the out-
put image. Then, find the defective part according to the item, "image defects".
4 - 2
CHAPTER 4
END
No
No
Yes
Yes
No
No
Yes
Yes
No
Yes
Yes
No
No
Yes
Initial check execution
Power ON
Displays "READY"?
Refer to the item,
"malfunction troubleshooting"
Can duplex printing
be executed ?
Refer to the item, "malfunction
status troubleshooting"
Execute a duplex printing
Refer to the item, "paper jams"
Occurs paper jam?
Delivers paper
normally?
Refer to the item, "paper
transport troubleshooting"
Occurs image
defect?
(Note 1)
Refer to the item, "image defects"
Refer to the item, "malfunction
status troubleshooting"
Displays "operator call"
or "service call"
Displays "operator call"
or "service call"