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Troubleshooting
1-8
HP DesignJet 5000 Series Printers Service Manual
Check Paper Path
This warning appears whenever the friction on the Paper-Axis is too
high: the electrical current needed by the Paper-Axis Motor to move
the paper is too high, so before burning the motor or the Main PCA,
this warning appears. The common reason for this error is an internal
paper jam or at the end of a roll of media the paper is glued to the
media core. It can also be due to a defective motor or Main PCA.
n Check that there are no pieces of paper left inside the Printer,
especially if it happens after a paper jam.
NOTE One way to verify this easily is to take a rigid sheet of paper and
move it along the paper path with the media load lever lifted.
n Also, check that the customer has inserted the spindle hubs
completely, otherwise they may rub against the side plate and
increase the friction.
n If the error still persists, check that the Paper-Axis Motor cables
are connected correctly and that they are not damaged.
n
If the Printer still fails, replace the Paper-Axis Motor
⇒
Page
8-100
.
NOTE Turn the Drive Roller by hand once the motor is removed to
verify that it turns smoothly. Also, after replacing the Paper-Axis
Motor,
perform the Media-Axis Test (
⇒
Page
4-12
)
and check that
the values are within the given limits
.
n If the Printer still fails, replace the Main PCA ⇒ Page 8-79.
Check Printhead Path (1)
This warning appears whenever friction on the Scan-Axis is too
high: the electrical current needed by the Scan-Axis Motor to move
the Carriage is too high, so before burning the motor or the Main
PCA, this warning appears. The usual reason for this error is an
internal paper jam, an obstacle in the Printhead path, a broken belt,
badly installed Ink Supply Tubes, etc.
n Apply Oil along the complete axis of the Slider Rods with the
User’s Slider Rods Lubrification Kit ⇒ Page 9-8.
n Also, switch OFF the Printer and move the Carriage from side to
side to verify that it moves smoothly.
n
If the Printer still fails, check that the Scan-Axis motor is connected
correctly to the Main PCA and that the cable is not damaged.
n If the error remains, replace the Belt (⇒ Page 8-46) or the Scan-
Axis Motor ⇒ Page 8-55.