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Table 5-15. Laser Light Error
Cause Step Checkpoint Finding Solution
The optical unit may be
dead.
1
—
—
Replace the optical
unit.
The C169 MAIN-B Board
may be dead.
2
—
—
Replace the C169
MAIN-B Board.
Table 5-16. Communication Error
Cause Step Checkpoint Finding Solution
The C169 MAIN-B Board
may be bad.
1
—
—
Replace the C169
MAIN-B Board.
Table 5-17. EEPROM Write Error
Cause Step Checkpoint Finding Solution
The EEPROM is may be bad.
1
—
—
Replace the
EEPROM.
The C169 MAIN-B Board
may be bad.
2
—
—
Replace the C169
MAIN-B Board.
Table 5-18. Engine Initialize Error
Cause Step Checkpoint Finding Solution
The C169 MAIN-B Board
may be bad.
1
—
—
Replace the C169
MAIN-B Board.
Table 5-19. C1000 or C1001 Error
Cause Step Checkpoint Finding Solution
The optional SIMM may be
bad.
1
Is operation OK after you
remove the optional SIMM?
Yes
Replace the SIMM.
The C169 MAIN-B Board
may be bad.
2
—
—
Replace the C169
MAIN-B Board.
Table 5-20. C1002 Error
Cause Step Checkpoint Finding Solution
The C169 MAIN-B Board
may be bad.
1
—
—
Replace the C169
MAIN-B Board.
Troubleshooting EPL-5500 Service Manual
5-14 Rev. B