2-12 Service Manual
4400-001
Paper Feed Service Check
If your machine does not have paper jam problems, continue with
the service check. If your machine does have a paper jam problem,
examine it for the following before you begin the service check:
• Check the entire paper path for obstructions.
• Be sure there is not too much paper in the sheet feeder.
• Be sure the correct type of paper is being used.
• Check for static in the paper.
FRU Action
1 System Board Run the “Power-On Self Test (POST) Sequence”
on page 2-1. Replace parts as needed. To check
the paper feed motor, disconnect the paper feed
connector CN11 and check for approximately 3
ohms between pins 1 and 4. If the reading is
incorrect, replace the paper feed motor assembly
with gears. Go to the “Paper Feed Motor
Assembly with Gears Removal” on page 4-24. If
the reading is correct, replace the system board.
Go to the “System Board Removal” on
page 4-21.
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