Apple LaserWriter Select 310 Especificaciones Pagina 71

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3
Flowcharts and TablesTroubleshooting
Paper-Out LED Lights When There Is Paper (Continued)
Step Check Result Action
5 Prepare the printer for
troubleshooting as
described in the
“Troubleshooting
Preparation” section.
Disconnect P111 from the
high-voltage power supply.
Connect a multimeter
between connector pins
P13-1 (NOPAPER1) and
P13-4 (GND) on the DC
controller board. Remove
and insert the paper
cassette tray filled with
paper. Does the voltage
toggle from +5 VDC (tray
removed) to 0 VDC (tray
inserted)?
No
Ye s
Replace the cassette feeder board. If
the problem persists, replace the
cassette feeder tray cable.
Replace the DC controller board.
6 If an optional paper
cassette is installed,
connect a multimeter
between connector pins
p13-3 (NOPAPER2) and
P13-4 (GND) on the DC
controller board. Remove
and insert the paper
cassette tray filled with
paper. Does the voltage
toggle from +5 VDC (tray
removed) to 0 VDC (tray
inserted)?
No
Ye s
Replace the cassette feeder board. If
the problem persists, replace the
expansion feeder cable.
Replace the DC controller board.
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