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Diagnostic Information 2-9
4097-00X
2 Paper Feed Motor A noisy or chattering motor or a motor that fails to
turn, can be caused by:
• An open or short in the motor
• An open or short in the motor driver on the
system board
• A bind in the paper feed mechanism
With the paper feed motor cable disconnected
from the system board, check for approximately 10
ohms between the following pins on the motor:
Pin 1 to Pin 2 Pin 3 to Pin 4
If the readings are incorrect, replace the motor.
Although the paper feeds in a forward direction
only, the paper feed motor turns in two directions.
If the paper feed motor turns in one direction only,
replace the system board.
Binds in the paper feed motor or gear train can
cause intermittent false paper jam errors. Remove
the paper feed motor and check the shaft for binds.
Also check for loose or worn motor gear.
3 Drive Train
Assembly
Check for binds in the gear train and paper feed
mechanism by removing the paper feed motor and
rotating the large gear by hand. If you notice a
bind, replace the drive train assembly. Check the
feed clutch inside the large feed gear.
4 Auto Sheet
Feeder
Check the pick rollers for wear.
5 Mid Frame Asm Check the following for wear:
•Exit roller
• Star rollers
6 End-of-Forms
Flag and Spring
Check for binds or damage. If binds are found,
replace the small feed roll bracket assembly.
FRU Action