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HP 2000CP 2500CP User Manual

Page 100

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4-14

Service Tests

HP DesignJet CP Series Printers

D04. Media Axis (X-axis)

The purpose of this test is to verify the operation of the components of the
Media Axis.

IF POSSIBLE ALWAYS PERFORM THIS TEST BEFORE

REPLACING THE X-AXIS MOTOR. IF THIS TEST PASSES, DO NOT

REPLACE THE X-AXIS ASSEMBLY.

Perform the Media Axis test as follows:

1 In the Diagnostics submenu, scroll to “D04 Media Axis” and press Enter.

Diagnostics

D04 Media Axis

2 While the test is being performed, a row of “***” will be displayed on the

front-panel.

3 If the test passes, the “D0400 OK” message is displayed on the

front-panel.

IF THIS TEST PASSES, DO NOT REPLACE THE X-AXIS ASSEMBLY.

4 If the test fails, an error message will be displayed on the front-panel.

The error messages are split into different areas depending on which
component failed.

X-axis Failure

If there is a problem with the components of the X-axis then the following
messages will appear:

D

“D0401 Fail” - The Accuracy test has failed.

D

“D0402 Fail” - The PWM test has failed (PWM too low).

D

“D0403 Fail” - The PWM test has failed (PWM too high).

In these cases, Replace the X-axis Assembly

' page 8-66.

Mark Encoder Failure

If there is a problem with the Mark Encoder then the following message will
appear:

D

“D0404 Fail” - Problem finding the Mark Encoder.

The test is continued on the next page.