Electrical Test - HP DesignJet 250C Service Manual

Electrical Test

This tests the main PCA and carriage PCA electronics.
1 In service mode 2:
230
Hold down the
SHIFT
250C
Electrical Test
330
Press
350C Electrical Test
Electrical Test
The LED (or the
Load Media
for about 50 seconds while the plotter performs the electrical 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. The error code is usually shown as a ISteady 1238I (for
DesignJet 230 and 250C) or a ISteady 1389I (for DesignJet 330 and 350C) which
indicates a system error. See ' System Errors, page 8 19 (for DesignJet 230 and 250C)
or page 8 23 (for DesignJet 330 and 350C), to be able to correctly troubleshoot the
failure, and to be able to include the information when you exchange the electronics
module.
C4699 90000
key and press
Electrical Test
Shift
.
LED, if you have already loaded media) turns off
Ready
key for this test.
stop-the-test
.
LED (or the
Load Media Ready
Troubleshooting
LED, if
8 41