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Diagnostic Information 2-13
24xx
Service Checks
Abnormal Noise Service Check
Check the entire printer for loose parts.
FRU Action
1 Ribbon Cartridge Remove and reinstall the ribbon cartridge.
2 Printhead Disconnect the printhead cable(s).
Run the print test (do not fold or damage the
cables during the test). Go to “Print Test” on
page 3-3.
Replace the printhead, if the noise is gone.
3 Carrier Motor
Ribbon Drive
Mechanism
Disconnect the carrier motor connector CN2
from the logic board. Turn the printer off and
then on.
If the abnormal noise is gone, look for a
problem with the carrier motor or ribbon drive
mechanism. Go to “Carrier Service Check”
on page 2-16.
4 Paper Feed
Mechanism
Disconnect the paper feed motor CN1 from the
logic board.
Perform the Print Test. Go to “Print Test” on
page 3-3.
If the abnormal noise is gone, look for the
problem in the paper feed mechanism.