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Printhead Service Check
FRU
1
Printhead Cables
Printhead
2-36
Action
If the problem is missing or extra dots or lines,
do the following:
• Check the continuity and connection of
the printhead cables and the short flexible
cable.
• Make sure the voltages to the sub logic
board are correct.
If dots are missing:
• Perform the print test to determine which
wire is not firing.
• Remove the printhead and check the
printhead resistance according to the
following table. Make sure no pins have
continuity to the printhead housing.
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