Canon LBP-1000 Service Manual page 123

Note: 1. Before executing a test print, make sure to select the same pick-up source and deliv-
ery source that were used when the malfunction occurred according to the informa-
tion given by the user.
If the information is not available, make test prints with all feasible combination of
paper source and delivery source in the printer, and find out the factor.
2. 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(s) from the
output image. Then, find the defective part(s) according to the item, "image defects."
CHAPTER 4
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