Clean air tubes
The purpose of this procedure is to remove ink that may have got into the air tubes after a bag has
broken in an Ink Cartridge. This is this first stage in recovering from a broken bag. It should be
performed if there is any ink visible in the air tubes of the APS.
1. Remove the Left Cover and check that the tubes from the APS to the ISS are clean. If the tubes are
clean of ink this procedure does not need to be performed. However, if there are sections of tube
that have ink in them, such as the examples indicated below with the red arrows, then you should
proceed with the following steps.
2. Remove all the Ink Cartridges and install the dummy Ink Cartridges from the Broken Bag Fixing
Tools kit (part number CH955-67076).
3. One of the dummy Ink Cartridges has two holes at the top. This dummy Ink Cartridge must be
inserted into the slot with the Broken Bag error.
4. Select Clean air tubes from the Ink Delivery System Test menu.
5. The front panel asks for confirmation.
6. The front panel asks you to confirm that the dummy Ink Cartridges are installed.
7. The printer pumps air through the air tubes, pushing any ink into the dummy Ink Cartridge with the
two holes at the top.
8. The front panel asks whether you want to repeat the process with a different cartridge. If you
choose to do so, move the dummy Ink Cartridge with the two holes to a different slot. If not, the
printer will shut down.
94 Chapter 4 Service tests and utilities ENWW
Service tests and
utilities
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