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Xerox DocuPrint N17 Service Manual
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Repair Analysis Procedures (RAPs)
7.3.17.2 Control Panel Displays Black Boxes
You were directed to this RAP because the Control Panel display has a single row of black boxes on the
top line during “Power ON Diagnostics.”
1 Switch OFF the printer.
2 Remove the System Controller and reseat the Boot ROM on the System Controller PWB.
3 Reinstall the System Controller ensuring proper seating, and switch on the printer.
4 The Control Panel displays “READY” indicating test completion.
Y: Go to Final Actions.
N: Observe the Diagnostic LED at power on.
NOTE: If the LED flashes, see Table 7.3.17.1.1 Diagnostic LED Flash Sequence Table. If the LED does
not glow or glows continuously, perform RAP 7.3.17.1 Power On Diagnostics (POD) Failure.
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