User`s guide

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Flowcharts and Tables Troubleshooting
Table 4. Paper-Out LED is On After Printer Warmup
Step Check Result Action
1 Is the cassette empty or not
installed?
Yes Make sure that the cassette is present
and has paper.
2 Remove the cassette and
inspect the paper-sensing
lever. Is the lever broken?
Yes Replace the sensor holder
assembly.
3 Defeat the cassette paper
sensing lever by pushing it
and holding it in (as if a cas-
sette were present). With
your other hand, press the
three microswitch leaf
springs all at the same time.
Does the ready LED illumi-
nate after a couple of
seconds?
Yes Replace the pickup controller board.
4 Remove the rear panel and
I/O shield. Place probes
between J201-7 (+5 V) and
J201-1 (GND) on the DC
controller board. Switch on
the printer. Does the voltage
measure 5 V?
No Replace the DC controller board.
5 Remove the paper pickup
block and maintain pickup
connectivity. Place probes
between J601-11 (GND)
and J601-7 (+5 V) on the
solder side of the pickup
controller board. Does volt-
age measure 5 V?
No Replace the DC-controller-to-pickup-
controller cable.
6 Measure the voltage
between J605-5 (GND) and
J605-3 (1STS). Does the
voltage measure 5 V?
No Replace the pickup controller board.
7 Keep the probes in the
same position and manually
trip the cassette sensor
lever. Does the voltage drop
to 0 V when you trip the
lever?
No
Ye s
Replace the sensor holder assembly.
Replace the pickup controller board.