Xerox 4517 用户指南
T r o u b l e s h o o t i n g
6-28 ❖ D o c u P r i n t 4 5 1 7
/
4 5 1 7 m p U s e r G u i d e
Diagnostic LED
Flash
Sequences
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 sequence of flashing the system
controller diagnostic LED. Table 6.3 identifies the faults
associated with the flash sequences.
Table 6.3
Diagnostic LED flash sequences
Flash Sequence
Description/Corrective Action
1 flash — 1 second — 1 flash…etc.
System controller CPU fault.
ACTION:
Contact your dealer or Xerox/Rank Xerox.
2 flashes — 1 second — 2 flashes…etc.
Base RAM fault.
ACTION:
Contact your dealer or Xerox/Rank Xerox.
3 flashes — 1 second — 3 flashes…etc.
ROM fault.
ACTION:
Remove the PostScript SIMM, if installed,
and test the printer again. If the problem
is resolved, replace the PostScript SIMM. If
the problem is not resolved, contact your
dealer or Xerox/Rank Xerox.
and test the printer again. If the problem
is resolved, replace the PostScript SIMM. If
the problem is not resolved, contact your
dealer or Xerox/Rank Xerox.
4 flashes — 1 second — 4 flashes…etc.
System controller to print engine fault.
ACTION:
Make sure the controller board is firmly
seated. If the problem is not resolved,
contact your dealer or Xerox/Rank Xerox.
seated. If the problem is not resolved,
contact your dealer or Xerox/Rank Xerox.
5 flashes — 1 second — 5 flashes…etc.
Resolution enhancement self-test fault.
ACTION:
Contact your dealer or Xerox/Rank Xerox.
6 flashes — 1 second — 6 flashes…etc.
Communications ports internal loopback test fault.
ACTION:
Contact your dealer or Xerox/Rank Xerox.
7 flashes — 1 second — 7 flashes…etc.
Slot SIM2 fault.
ACTION:
Perform the corrective actions listed under
0100
in Table 6.2 on page 6-6.
8 flashes — 1 second — 8 flashes…etc.
Slot SIM3 fault.
ACTION:
Perform the corrective actions listed under
0101
in Table 6.2 on page 6-6.
chapter6.frm Page 28 Friday, July 11, 1997 8:20 PM