IBM INFO PRINT 3000 - Manual (Page 235)

9.
Put the fine filter in the filter housing. Ensure that the fine filter is completely
in the filter housing.
10.
Return the fine filter housing to its upright position in the recess.
11. Lower the filter cover and secure the latch.
12. Close the right rear cover of the printer.
13.
To resume processing, SELECT the Ready pushbutton on the Display Touch
Screen.
14.
If the CHECK FINE FILTER message appears, the fine filter may not be pushed
all the way into the filter housing. Adjust the fine filter, then repeat step 13. If
that does not correct the problem, contact your service representative. See
“Service Call Procedure” on page 13 for instructions.
Chapter 7. Ordering and Replacing Supplies
203