How To Bleed An Ink Filter - Oce Arizona 640 GT User Manual

How to Bleed an Ink Filter

How to Bleed an Ink Filter
Introduction
Bleeding air trapped in the ink filters is a strategy to avoid persistent nozzle dropout. You will be
notified by the printer when it is necessary to bleed a filter. Although, you can select Done or
Postpone even if the task is not complete, it is in your best interest to follow the recommended
schedule. If you don't bleed the filters you may need to place a service call to remove
contamination from the system. However, the preferred preventative maintenance method is to
bleed the ink filters when alerted by the printer.
When to do
New ink filters contain air that must be released. Also after a period of use all ink filters will
contain air. Follow the schedule for bleeding ink filters indicated in the Maintenance Tasks tab.
Before you begin
The filters are bled using a 60 ml syringe. If bleeding after an ink bag change, let the ink fill finish
before bleeding the filter. The filters should be bled while the printer is idle; that is, there should
be no active printing and the ink pumps should not be running.
How to Bleed an Ink Filter
If you have not come from changing an ink filter, close all of the ink purge valves (located on the
top of the carriage) and disengage the ink bag for the color of filter you will replace. To do this
press the release tab on the left side of the quick-release ink bag coupler and then pull it out to
disconnect the ink bag.
Procedure
1.
Open the ink purge valve of the target color to bleed and make sure the valves of the other colors
(or varnish) are closed.
[139] Purge Valves with Yellow Turned Off
2.
Click on the ink status icon located in the top right corner of the Print Job Control screen of the
printer software to monitor the ink status.
208 Chapter 12 - Printer Maintenance
Océ Arizona 600 Series