Service Manual
683311W
4-1
4. AUTODIAGNOSTICS, SETUP AND SETTINGS
4.1 POWER-ON DIAGNOSTICS
At every power-on, besides the general reset, the printer runs an autodiagnostics cycle to check the
efficiency of its parts.
After the autodiagnostics, if no faults have been revealed, the printer remains in READY condition (ON
and READY LEDs lit on the console).
The table below indicates the meaning of the LEDs according to the type of failure detected during
the autodiagnostics phase.
LED ON Others
Power supply assy OFF OFF
failure
Board failure: ON OFF
- ROM
- Microprocessor
Failure with: ON ON
- Fuses
- Drivers
- Motors
Activation board
failure
The motors do not control
any movement
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