Specifications

Flowcharts and TablesTroubleshooting
Table 12. Power Supply Failure (+5 VDC)
Step Check Result Action
1 Connect a multimeter
between the following pairs
of pins on the DC controller
board:
P11-5 (yellow wire) and
P11-2 (black wire)
P11-6 (blue wire) and
P11-2 (black wire)
Does the voltage measure
+5 VDC when you switch
on the printer?
No
Ye s
Replace the power supply.
Replace the DC controller board.
Table 13. Paper-Out LED Lights When There Is Paper
Step Check Result Action
1 Is the paper cassette
installed and does it contain
paper?
No Remove the paper cassette tray and
fill it with paper. Reinstall the paper
cassette tray and make sure it is
seated properly.
2 Remove the paper
cassette tray and inspect
the paper sensing arm.
Does the paper sensing
arm appear to be
damaged?
Yes Replace the paper sensing arm.
3 While the paper cassette
tray is out, inspect the
paper cassette size
actuators. Do any of the
actuators appear to be bent
or damaged?
Yes Replace the cassette feeder board.
4 While the paper cassette
tray is out, switch on the
printer. Insert the paper
cassette tray. Does the
main motor rotate when you
insert the paper cassette
tray?
No Replace the cassette feeder board.