HP DesignJet 500 - Manual (Page 222)

Media & Ink Introduction Front-Panel Other Index Solutions
Printer
Options
Maintaining the Printer Specifications Ordering Accessories Online Help Glossary
User Maintenance Kit
The printer uses liquid ink and this can form a mist
inside the printer, the mist settles on the printer
components and after a while, depending of the
amount of use the printer has, ink deposits form inside
the printer. To avoid potential problems you can order a
kit with all the parts that you need to clean the printer
with. The kit contains:  Lens covers Kit
 Carriage Interconnect Wiper Kit
 Carriage Rods Lubrication kit
 Roller Lubrication kit
 Platen cleaning instructions
Use the contents of this kit to perform the following
maintenance procedures and the frequency shown:
Recommended Cleaning Frequency Procedure
When the front-panel displays ‘Lens Maintenance Advice’ Refer to Lens
Maintenance
Every 3 Million Cycles or every year which ever comes first.
NOTE: The number of cycles can be seen by going to Printer Setup/
Utilities/Statistics.
Slider Rods Lubrication
Kit
Every printhead replacement or when solving a printhead problem
see
Printhead Status Messages
Carriage Interconnect
Wiper
Use this kit if the rollers on the platen are making a squeaking noise
due to the fact they need lubrication. Roller Lubrication Kit
Depends on the intensity of usage, whenever you notice ink smears
on the back of the media or before changing to a larger media size. Cleaning the Platen