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4-11
HP DesignJets 500, 510 and 800 Series Printers Service Manual
Paper Advance Test
The purpose of this test is to identify whether there is too much
friction in the paper-axis drive system which is caused by defects
with the Transmission Gears, Drive Roller or the Paper-Axis Motor.
This test should be performed when a Paper-Axis shutdown occurs
which is not caused by a paper jam.
The Paper Advance test will perform the following tests:
Paper-Axis Motor test.
Drive Roller Encoder-Sensor test.
Drive Roller test.
NOTE This Service Test can be performed by the End User with the
guidance of a HP Support person via the phone.
WARNING IF POSSIBLE ALWAYS PERFORM THIS TEST BEFORE
REPLACING PAPER-AXIS COMPONENTS. IF THIS TEST
PASSES, DO NOT REPLACE ANY PAPER-AXIS COMPONENTS.
Perform the Paper Advance test as follows:
NOTE Remove any media loaded and make sure that Pinch-Arms are
lowered before performing this test.
1 In the Service Tests submenu, scroll to "Paper Advance test" and
press Enter.
2 The test will first check if the Paper-Axis Motor is working by
moving it slightly backwards and forwards. If this test passes, the
following message will be displayed (press Enter to continue to the
next stage of the test):
PHON
E
S
U
PPOR
T
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Enter
Service tests
Troubleshooting
Aerosol Fan test
Ink Supply Station
Paper advance test
Carriage movement test
Paper Advance test
Paper-axis motor test
passed.
Press ENTER to continue
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