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Xerox DocuPrint N17 Service Manual
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Repair Analysis Procedures (RAPs)
7.3.17 Error Codes
7.3.17.1 Power On Diagnostics (POD) Failure
Insure that the Test LED is functioning properly. The Test LED can be viewed through a small hole
located above the RJ45 Connector on the System Controller.
•
When printer power is applied, the Test LED will glow to indicate the start of the “Power On
Diagnostics” (POD) tests. At the successful completion of the Power On Diagnostics, the
LED will go off then glow again for one second, the go off.
•
If a fault condition occurs during one of the “Power On Diagnostic” tests, that test is
immediately halted and the LED will flash a sequence that identifies the halted test. (Refer
to
Table 7.3.17.1.1 Diagnostic LED Flash Sequence Table.)
•
If the LED does not glow or glows continuously, perform the following:
1 Switch OFF the printer.
2 Remove the System Controller. Remove all option/peripheral components from the System
Controller.
3 Reinstall the System Controller ensuring proper seating, and switch on the printer.
4 The diagnostic LED functions properly.
Y: Reinstall the option/peripheral components one at a time and retest.
NOTE: If the LED still does not function properly, check the +5 VDC to the System Controller PWB
before replacing the System Controller PWB
N: Replace the System Controller PWB
Table 7.3.17.1.1 Diagnostic LED Flash Sequence Table
Control Panel
LED Repeating Flash Sequence
Fault
Corrective Action
0001 - ESS
1 flash - 1 second - 1 flash...etc.
System Controller
CPU
Replace the
System Controller
PWB.
0001 - Base
RAM
2 flashes - 1 second - 2 flashes...etc
Base RAM
Replace the
System Controller
PWB.
0001 - Base
ROM
3 flashes - 1 second - 3 flashes...etc
Base ROM
Replace the
System Controller
PWB.
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