HP 510 Inkjet Large Format CH336A#B1K If the test fails while checking the Paper-Axis Motor, then

Service Tests and Utilities

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:
			Paper Advance test
			System error 41:10
			Paper-axis motor failed

In this case, to resolve the problem, replace the Paper-Axis Motor

⇒Page 8-84.

4If 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):

Paper Advance test

Roller encoder sensor test passed.

Press ENTER to continue

Menu

Back

Enter

WARNING	IF THIS TEST PASSES, DO NOT REPLACE THE DRIVE
	ROLLER ENCODER-SENSOR.

5If 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:

Paper Advance test

System error 56:10

Roller encoder sensor failed

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.

4-12 HP DesignJets 500, 510 and 800 Series Printers Service Manual