HP DesignJet 250C Service Manual page 177

230
Input/Output Test for the DesignJet 230/250C Only
250C
D
D
1
If a connector is not available, you can place a jumper between pins 2 and 3 of the
serial port for the test.
2 2
Input/Output
Test
The LED (or the
Load Media
already loaded media) turns off while the plotter performs the
input/output test.
The shift key does not act as a
Status. If the test does not find an error, the
you have already loaded media) turns on again. Otherwise, an error is reported by an
error code on the front panel.
SHIFT
Shift
LED, if you have
Ready
key for this test.
stop-the-test
Load Media
Input/Output
LED (or the LED, if
Ready