BJC-1000
b) Symptoms
1. The Power Does
Not Turn On
<Measure>
DC plug output
voltage check
Is it output
correctly ?
Yes
Replace the logic board
<Symptom>
<Cause>
START
With the AC adapter and logic board connected by the
DC connector cable, check and measure the output
voltage of the J4 connector pins as shown below:
No
Replace the AC adapter
The printer does not perform initializing even
when the AC plug is connected.
The AC adapter and/or control board is faulty.
Pin set
Output voltage
2 – 4 or 2 – 5
+27.6 VDC
3 – 4 or 3 – 5
+5.0 VDC
5-15
Part 5: Maintenance