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4-12
HP DesignJets 500, 510 and 800 Series Printers Service Manual
WARNING IF THIS TEST PASSES, DO NOT REPLACE THE PAPER-
AXIS MOTOR.
3 If the test fails while checking the Paper-Axis Motor, then the
following message will be displayed:
In this case, to resolve the problem, replace the Paper-Axis Motor
⇒ Page 8-84.
4 If the Paper-Axis Motor test passes, the Printer will try to read the
Drive Roller Encoder-Sensor while moving the Paper-Axis Motor.
If the Printer can read the signals from the Encoder-Sensor, then the
test has passed and the following message will be displayed (press
Enter to continue to the next stage of the test):
WARNING IF THIS TEST PASSES, DO NOT REPLACE THE DRIVE
ROLLER ENCODER-SENSOR.
5 If the Printer has problems reading the signal from the Drive Roller
Encoder-Sensor, then the test has failed and the following message
will be displayed:
In this case, to resolve the problem, replace the Drive Roller
Encoder Sensor ⇒ Page 8-38. But if the problem persists, replace
the Encoder Disk Assembly.
Paper Advance test
System error 41:10
Paper-axis motor failed
Paper Advance test
Roller encoder sensor
test passed.
Press ENTER to continue
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Enter
Paper Advance test
System error 56:10
Roller encoder sensor
failed