Oce Arizona 550 GT User Manual page 240

How to Change Ink Filters
Attention:
A clogged ink filter can result in damage to your printer's ink system. Particulate matter
buildup in the ink can cause problems that will require a service call. Be sure to change
all ink filters every 12 months to avoid such problems.
How to Change an Ink Filter
Open the sliding maintenance station door to disable ink pumps.
1.
[178] Remove Ink Filter Enclosure Cover
Disengage the ink bag for the color of filter you will replace from its coupler.
2.
Remove the two screws that hold the ink filter enclosure cover in place (thumbscrews
3.
can be loosened by hand or use a Philips screwdriver if they are too tight).
240 Chapter 11 - Printer Maintenance