Chapter 6
Check for normal operation. If the operation is abnormal, replace it. 3) Replace the main controller PCB
6.1.4 Troubleshooting When Service Call Errors Occur
6.1.4.1
<Cause>
The machine detected that the rotation count of the purge unit reached the specified value.
<Probable fault location> Purge unit or main controller PCB
<Countermeasure>
1) Replace the purge unit.
After replacing the purge unit, select [SERVICE MODE]>[INITIALIZE]>[PARTS COUNTER] to reset the counter. 2) Replace the main controller PCB.
6.1.4.2 E144-4047 Supply system's count error
<Cause>
The machine detected that the carriage scan count reached the specified value.
<Probable fault location>
Ink tube unit, or main controller PCB
<Countermeasure>
1) Replace the ink tube unit.
After replacing the ink tube unit, select [SERVICE MODE] > [INITIALIZE] > [PARTS COUNTER] to reset the counter. 2) Replace the main controller PCB.
6.1.4.3 E146-4001 Waste ink count full
<Cause>
The machine detected that the waste ink box or the fan unit became full of ink.
<Probable fault location>
Waste ink box, fan unit, or main controller PCB
<Countermeasure>
1) Replace the waste ink box or fan unit.
After replacing the waste ink box or fan unit, select [SERVICE MODE] > [INITIALIZE] > [PARTS COUNTER] to reset the counter. 2) Replace the main controller PCB.
6.1.4.4 E161-403E/E161-403F Abnormally high head temperature
<Cause>
The printhead temperature became abnormally high.
<Probable fault location>
Printhead, head relay PCB, carriage relay PCB, or main controller PCB
<Countermeasure>
1)Start up the printer in the service mode, and then replace the printhead.
2)Replace the head relay PCB.
3)Replace the carriage relay PCB.
4)Replace the main controller PCB.
6.1.4.5 E194-404A Non-discharge detection count error
<Cause>
The machine detected that the
<Probable fault location>
Head management sensor or main controller PCB
<Countermeasure>
1) Replace the head management sensor.
After replacing the head management sensor, select [SERVICE MODE] > [INITIALIZE] > [PARTS COUNTER] to reset the counter. 2) Replace the main controller PCB.
6.1.4.6
<Cause>
The main controller PCB is defective.
<Probable fault location> Firmware or main controller PCB
<Countermeasure>
1)Upgrade the firmware.
2)Replace the main controller PCB.
