2-94 Service Manual
5055-01X
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Possible Cause Action
Moist Paper Be sure the printer is not in a damp
environment and the paper is not
curled or wavy due to moisture. If
necessary inform the customer
about correct storage.
LED Printhead Be sure the LED printhead cable is
securely connected to the printhead
controller board and LED printhead
assembly. If the problem remains,
replace the LED printhead.
High Voltage Unit (HVU) Be sure all the connectors to the
high voltage unit are securely
connected. If the problem remains,
replace the high voltage unit.
Printer Controller Board Be sure all connectors are securely
connected to the printer controller
board. If the problem remains,
replace the printer controller board.
Printhead Controller Board If the problem remains, replace the
printhead controller board.
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