Lexmark C912 Service Manual - Page 52
Printer Alignment X, Y, and Theta, Printer controller board/printer control EPROM U5
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5055-xxx Printer controller board/printer control EPROM (U5) If you replace the printer controller board, remove EPROM (U5) and install it on the new board. Also check the printhead alignment. If you change the EPROM, record and input the following items using the diagnostic mode following EPROM replacement: • LED Printhead Light Quantity • Printer Alignment (X, Y, and Theta) • All Counters RIP controller board If you replace the RIP controller board, move the solid state drive, memory, and option cards from the old card to the new one. After replacing the RIP controller board, it is necessary to type in the following items in Diagnostic Mode: • Set Serial Number • Configuration ID Transfer belt If you replace the transfer belt, check the printer alignment (X, Y, and Theta), adjusted in diagnostic mode. LED printhead controller board or LED printhead If you replace the LED printhead controller board or LED printhead, check and adjust the following items in diagnostic mode: • LED Printhead Light Quantity • Printer Alignment (X, Y, and Theta) 2-2 Service Manual
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