Lexmark 2380 Service Manual - Page 60
Printhead Service Check, Printhead Cables
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Printhead Service Check FRU Action 1 Printhead Cables If the problem is missing or extra dots or lines, Printhead 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. 2-36
2-36
Printhead Service Check
FRU
Action
1
Printhead Cables
Printhead
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.