D03. Carriage Axis (Y Axis) - HP DesignJet 2500CP Service Manual

D03. Carriage Axis (Y axis)

The purpose of this test is to verify the operation of the components of the
Carriage Axis.
IF POSSIBLE ALWAYS PERFORM THIS TEST BEFORE
REPLACING THE Y AXIS MOTOR OR THE ENCODER STRIP . IF
THIS TEST PASSES, DO NOT REPLACE THE Y AXIS MOTOR
ASSEMBLY OR THE ENCODER STRIP .
Perform the Carriage Axis test as follows:
1 In the Diagnostics submenu, scroll to D03 Carriage Axis" and press Enter.
Diagnostics
D03 Carriage Axis
2 While the test is being performed, a row of ***" will be displayed on the
front panel.
3 If the test passes, the D0300 OK" message is displayed on the front panel.
IF THIS TEST PASSES, DO NOT REPLACE THE Y AXIS MOTOR
ASSEMBLY OR THE ENCODER STRIP .
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.
Y axis Failure
If there is a problem with the components of the Y axis then the following
messages will appear:
D0301 Fail" The Static test has failed
D
D0302 Fail" The PWM test has failed (PWM too low)
D
D0303 Fail" The PWM test has failed (PWM too high)
D
In these cases, try one of the following:
1 Apply lubricant on the slider rods.
2 Replace the Encoder Strip ' page 8 32.
3 Replace the Y axis Motor Assembly ' page 8 45.
Only replace one component at a time and perform the test
again before replacing another component. Using this procedure
you will be able to determine exactly which component failed.
The test is continued on the next page.
Service Tests HP DesignJet CP Series Printers 4-11