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Sharp ARB351WT

Troubleshooting. LED status and errors of MFPC PWB

LED lighting status on PWB indicates whether PWB is correctly activated or not.

If PWB is correctly activated, D82 (Status LED) is blinking at 1s interval.
If D82 (Status LED) is blinking or off even though MFP is not in Energy Save mode or the power is not turned off, PWB may have some trouble or it may not be activated correctly.

For other LEDs, please see the table below:

Ref Purpose Normal condition Energy Save mode Power-OFF
From Power-ON to machine ready Correctly activated
D27 Power distribution check of 24V line
D28 Power distribution check of 3.3VN line
D29 Power distribution check of 5VN line
D82 Status LED ● ⇒ ○
D98
D99

 

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