03/2003 
4-93
8850/ 510DP 
REP 9.18
Repairs and Adjustments
REP 9.18 Pressure Equalizer Tubes
Parts List on PL 9.7, PL 9.8 
WARNING
Switch off the Main Power Switch. Disconnect the Power Cord.
Removal
1. Remove the Developer Module (REP 9.5).
CAUTION
Do not rotate the Auger Gears individually more than the slight amount required for removal or
to mesh the teeth during reinstallation. If the factory setting of the augers is changed during the
procedure, perform ADJ 9.6 Augers.
2. (Figure 1): Remove the Pressure Equalizer Tubes.
3. Using a vacuum cleaner, remove the impacted Developer Material from the Housing
where the Pressure Equalizer Tubes are attached.  Pay special attention to the inside of
the bottom channel.
Figure 1 Removing the Pressure Equalizer Tubes
1
Remove the Grip 
Ring
2
Remove the three 
gears
3
Remove the Pres-
sure Equalizer Tube
4
Remove the screw
5
Remove the 
retainer
6
Remove the Pressure 
Equalizer Tube