Main Circuit Board Replacement - SATO D508 Service Manual

MAIN CIRCUIT BOARD REPLACEMENT

1 Turn the printer OFF and disconnect the power supply cord.
2 Remove the base cover from the housing cover to access the main circuit board.
3 Remove the five screws (1) (See Figure 4-5) that secure the main circuit board (2) to the
printer (3).
4 Disconnect all wiring harnesses from the defective main circuit board (2).
5 Remove the defective main circuit board (2), along with the interface cover (4), from the
printer (3).
6 Detach the interface cover (4) from the defective board (2) and attach it to the replacement
board (2).
7 Insert the replacement main circuit board (2) into the printer (3) and secure it using the five
screws (1) previously removed from the old board.
8 Reconnect all the appropriate wiring harnesses to the replacement circuit board (2).
NOTE: Each wiring harness connector is different from the others. To
reconnect the wiring harnesses, simply match mating halves.
9 Attach the base cover to the housing cover.
10 Load some media, and run some tests to confirm proper function.
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Page 4-6
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Figure 4-5, Main Circuit Board Replacement
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SATO D508/D512 Service Manual