IBM INFO PRINT 3000 - Manual (Page 234)

3. Locate the latch on the filter cover and pull the latch up to open the filter
housing.
4. Pull the filter housing out until it is tilting toward you about 30°.
5.
Remove the plastic bag from the new fine filter and place the fine filter on the
floor.
6.
Slowly pull the old fine filter out of the filter housing and place it in the
plastic bag from the new fine filter.
7.
Discard the used fine filter.
8. Wipe the filter housing with a soft cloth to remove any debris.
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InfoPrint 3000 Operator’s Guide