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Preventive Maintenance
9-2
HP DesignJet 5000 Series Printers Service Manual
Introduction
This chapter explains how to perform service preventive
maintenance procedures when they are required, and routine
maintenance procedures that are recommended when Service
Engineers perform Removal and Installation procedures.
Service Preventive Maintenance
NOTE Maintenance information can be obtained from Printer Setup/
Utilities/Service Configuration Print.
As the frequency of service maintenance depends on how the
Printer is used, there are no specific preventive maintenance
intervals. For Service Maintenance purposes, Printer usage is
defined by the number of cycles performed by the following
components:
n Carriage - movement and flex circuit Printhead insertions.
n Tubes - movement and Tubes septum Printhead insertions.
The number of cycles performed by a part depends on the print
mode and the total length of prints performed by the Printer. For
example, if Max. Quality print mode is used on Glossy media, the
Printer performs 10 passes per inch, whereas Max. Speed on Coated
media only requires 1 pass per inch.
There are two different EEROM counters for the number of
Carriage cycles and Tubes cycles. For information on Carriage and
Tubes usage limits see Warning/Stop Triggers on Page 9-3.
There is also an EEROM counter for the number of Printhead
insertions in the Carriage. If there are Printhead insertion problems,
or Ink Supplies Error Codes occur frequently (see Page 3-12), the
Service Configuration Print (available in Printer Setup/Utilities/Test
Prints), indicates usage limits to see whether excessive wear is the
likely cause of the problem. Printhead insertion limits are:
n 600 Carriage flex circuit insertions.
n 350 Tubes septum insertions.
There are no warning triggers when the Printhead insertion limits
are reached.