Specifications

3
Flowcharts and TablesTroubleshooting
Table 11. Power Supply Failure (+24 VDC)
Step Check Result Action
1 Switch off the printer.
Connect a multimeter
between P11-12 (+24 VDC,
orange wire) and P11-2
(GND, black wire) on the
DC controller board. Switch
on the printer. Is the voltage
approximately +24 VDC?
No Replace the power supply.
2 Switch off the printer.
Connect a multimeter
between P11-10 (+24 VDC,
brown wire) and P11-2
(GND, black wire) on the
DC controller board. Switch
the printer back on. When
you open and close the
front access door, does the
voltage measure 0 VDC
with the door open and
+24 VDC with the door
closed?
Yes Replace the DC controller board.
3 Switch off the printer.
Connect a multimeter
between P11-11 (+24 VDC,
brown wire) and P11-2
(GND, black wire) on the
DC controller board. Switch
the printer back on. When
you open and close the
front access door, does the
voltage measure 0 VDC
with the door open and +24
VDC with the door closed?
Ye s
No
Replace the DC controller board.
Replace the power supply.