Diagnostic LED Flash Sequences
Diagnostic LED
Flash Sequences
Table 6.3
Diagnostic LED flash sequences
Flash Sequence
1 flash — 1 second — 1 flash... etc.
2 flashes — 1 second — 2 flashes... etc.
3 flashes — 1 second — 3 flashes... etc.
4 flashes — 1 second — 4 flashes... etc.
5 flashes — 1 second — 5 flashes... etc.
6 flashes — 1 second — 6 flashes... etc.
6-26
DocuPrint N24, N32, and N40 System Administrator Guide
When the printer is powered ON, a sequence of self test
diagnostics are run. Some failures that are detected in
these tests are identified by a flashing sequence indicated
on the system controller diagnostic LED located on the
Controller Board at the rear of the printer (see Figure 1.1
on page 1-6).
Table 6.3 identifies the faults associated with the flash
sequences.
Description/Corrective Action
System controller CPU fault.
ACTION:
Base RAM fault.
ACTION:
ROM fault.
ACTION:
System controller to print engine fault.
ACTION:
Resolution enhancement self-test fault.
ACTION:
Communications ports internal loopback test fault.
ACTION:
Contact your dealer or Xerox.
Contact your dealer or Xerox.
Contact your dealer or Xerox.
Make sure the controller board is firmly
seated. If the problem is not resolved,
contact your dealer or Xerox.
Contact your dealer or Xerox.
Contact your dealer or Xerox.
Table 6.3 Page 1 of 2