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2-2 Service Manual
5055-01x
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, the following items must be checked and
adjusted in the diagnostic mode.
• LED Printhead Light Quantity
• Printer Alignment (X, Y, and Theta)
• Counters
• Configuration ID
RIP Controller Board
If you replace the RIP controller board be sure to move the solid
state drive, memory, and option cards from the old card to the new
one.
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,
the following items must be checked and adjusted in diagnostic
mode:
• LED printhead light quantity
• Printer alignment (X, Y, and Theta)
Service.bk Page 2 Thursday, October 4, 2001 12:20 PM